Omron C200HW-CLK21 manual

O PER A T I O N MA N U A L Cat. No. W309-E1-09 SYSMAC CS1W-CLK21-V1 CJ1W -CLK 21-V1 C200HW-CL K21 CVM1-CLK 21 CQM1H-CLK21 (CS1W-RPT01/ 02/0 3 Repe ater Unit s) Controller Link Units[...]

CS1W-CLK21-V1 CJ1W-CLK21-V1 C200HW-CLK21 CVM1-CLK21 CQM1H-CLK21 (CS1W-RPT01/02/03 Repeater Units) Controller Link Units Operation Manu al Revised Ja nuary 2006[...]

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v Notice: OMRON products are manufactured for use acc ording to proper procedure s by a qualifi ed operator and only f or the pur poses descr ibed i n this ma nual. The following conventions are us ed to indicate and cla ssify pr ecaution s in thi s manual. A lwa ys heed the informat ion provided with them. F ailure to heed precautions can resul t [...]

vi Unit Versions of CS/CJ-seri es Controller Link Un its Unit V ersions A “unit v ersio n” has been i ntroduc ed to ma nage CS/CJ -seri es Contr oller Link Units ac cordin g to differ- ences in fu nction ality acc ompanying up grades. Unit V ersion Notation on Pr oducts The unit version code is provided on the na meplate of the CS /CJ-ser ies C[...]

vii Using the Unit V ersion Labels Unit version label s are provided wit h the produc t. These la bels can be attached to the fron t of previous Controll er Link Uni ts to differentiate b etween Contr oller Lin k Units o f different unit versions. Unit V ersion Notation The uni t v ersions are ind icated i n this manua l as follows: Function Suppor[...]

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ix TABLE OF CONTENTS PRECAUTION S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix 1 Intended Aud ience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx 2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

x TABLE OF CONTENTS SECTION 5 Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 5-1 What Are Data Links? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 5-2 Setting Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xi TABLE OF CONTENTS SECTION 10 Adding Nodes and Editing Ac tive Data Link Table s . . . . . 331 10-1 Adding Nodes Using a Repeater Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 10-2 Changing the Data Link T abl es with Activ e Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 36 Appen[...]

xii TABLE OF CONTENTS[...]

xiii About this Manual: This m anual descr ibe s the inst allatio n, setup, and operation of the C 200HW-CLK21, CS1W-CLK21- V1, CJ1W-CLK21-V1, CVM1 -CLK21, an d CQM1H-C LK21 Control ler Link Uni ts for C200HX/HG/HE, CS/CJ-s eri es, CVM1, CQM1H -ser ies, and C V -series PLCs, and in cludes t he sectio ns desc ribe d below . The Contr oller Link Unit[...]

xiv Section 7 descr ibes the me thod us ed to conn ect multiple ne twor ks through CS/CJ-ser ies, CVM1 , and CV - series PLCs. The sectio n also descr ibes remote p rogramming and monito r ing with Programming De vices. Section 8 e xplain s details o n Contr oller Link Network communic ations. Refer to this se ction f or net- work c ommunicati ons [...]

xv Read and Understa nd th is Manual Please read and u ndersta nd this ma nual before using the product. Please c onsult your O MRON represent ative if you hav e any questions or comment s. Warranty and L imitation s of L iability WARRANTY OMRON's exclusive warranty is tha t the prod ucts are free fro m defects in ma ter ials and workma nship [...]

xvi Application Considerations SUITABILITY FOR USE OMRON shall no t be re sponsible for conformi ty with any stan dards, codes, o r regul ations tha t apply to the combina tion of products in the c ustome r's appl ication or use of the produ cts. At the cu stomer 's reque st, OMRON wil l provide appl icable thir d par ty cer tifi cation d[...]

xvii Disclaimers CHANGE IN SPECIFICATIONS Produc t specif ications and acc essor ies m a y be chan ged at a ny time ba sed on im prov emen ts and othe r reasons. It is our pra ctice to change mo del numbe rs when p ublished ratings or features are chan ged, or whe n signifi cant con stru ction ch anges ar e made. Howe v er , some s pecific ation s [...]

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xix PRECA UTIONS This section pro v ides general precautions for us ing the Controller Link Unit and related de vices. The information contained in this section is important f or the safe and reliable application of the Cont r oller Link Unit. Y ou mus t r ead this section and understand the info rmation conta ined before attempting t o set up or o[...]

xx Intend ed A udience 1 1 Intended Audience This manual is intended for the following personnel , who must also have knowledge of electr ic al syst ems (an electr ical engineer or the eq uivalent). • P e rsonnel in char ge of ins talling F A sy stems. • P e rsonnel in ch arge of de sign ing F A sys tems. • P e rsonnel in ch arge of m anagin [...]

xxi Operating En v ironment Precautions 4 • The PL C will t ur n OFF all o utputs wh en its self-di agnosis functio n detec ts any error or whe n a sev er e f ailur e alar m (F ALS) ins truc tion is ex ecuted. As a coun ter meas ure for such erro rs, e xter nal safety m easures must b e provided to ensure saf ety in the syste m. • The PLC ou tp[...]

xxii Applications Pre cautions 5 5 Applications Precautio ns Obser ve the following precauti ons when u sing the Controller Link Uni t. !WARNING F ailure to a bide by the following precau tions coul d lea d to ser i ous o r poss ibly f atal in jur y . Always heed these precaut ions. • Alway s ground the system to 100 Ω or less when installi ng [...]

xxiii Applications Precaut ions 5 • Double-check all wi rin g and switch sett ings before tur ning ON th e power supply . Inc or rect wir i ng may result in burni ng. • Wire al l connec tions c orrec tly . • Mount U nits o nly after checking te r minal bloc ks com pletely . • Be su re that the Bu s Conne ction Units an d other ite ms with l[...]

xxiv Conf ormance to EC Dire ctiv es 6 6 Confo rmance to EC Directives The Con troller L ink Units conform t o EMC and Low V oltage D irectives as f o l- lows: EMC Direct ives OMRON de vice s that c omply wit h EC Dir ectives also co nform to the relate d EMC stan dar ds so tha t th ey can b e m ore e as ily built i nto ot her d evices or th e ov e[...]

1 SECTION 1 F eatures and System Conf iguration This section provides basic information on Contr oller Link Networks, and will gi ve the reader an o vervie w of what Control ler Link Networks can do an d ho w best t o use them. 1-1 Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 [...]

2 Overview Section 1-1 1-1 Over view 1-1-1 What Is the Controller Link? The Control ler Link is an F A networ k that ca n send a nd recei v e larg e data pack ets flexibly and eas ily amon g the OMRON C 200HX/H G/HE Programma- b le Cont rollers (PLCs), CS -series PLCs, CJ-ser ies PLC s, CVM1 PLCs, CV - serie s PLCs, CQM1H-se ries P LCs, and IBM P C[...]

3 Overview Section 1-1 Connecting Repeater Units Using T wisted-pair Cab le (Wired Units) T -Branch Wiring Long-distance Wiring Con v erting Part of the T ransmission Line to Optical Fiber T wo Repeat er Units of the sam e model must be used whe n par t of the tran s- missio n line us es optic al fiber. Wired Controller Link Unit Wired Controller L[...]

4 Overview Section 1-1 Maxim um 62-node Configuration The following Controlle r L ink Un its /S uppo r t Boards must b e used t o co nstr uc t a networ k with more than 32 nod es: CS1W -CLK21-V 1 CJ1W -CLK21-V 1 3G8F7-CL K21-V1 Note 1. The networ k wil l n ot o perat e cor rectl y unles s all no des withi n the ne twor k use the ab ov e Units/Bo ar[...]

5 Overview Section 1-1 T oke n Bus Mode Connecting Repeater Units Using GI Optical Fiber Cabl e CS-ser ies and CVM1/CV -ser ies PL Cs only . T oken Ring Mode T oke n Bus Mode C P U Backup power supply (24 V DC) C P U C P U 3G8F7-CLK12-V1 Controller Link Support Board for PCI Bus (token bus mode) CS1W-CLK12-V1 Controller Link Unit (token bus mode) C[...]

6 Overview Section 1-1 Data Links Data link s allow the c onstant s hari ng of data i n predete rm ined d ata areas between no des, between PLCs, or be tween a PLC a nd an I BM PC /A T or com- patible computer on the networ k. Data links do not require the use of c ommu- nicatio ns programs on the PL C (CPU Unit) or IBM PC/A T or comp atible comput[...]

7 Overview Section 1-1 SEND/RECV The SEND or RECV instr ucti on sends or rec eives data in an area of a par ticu- lar node. The SEND in stru ction send s data from an ar ea of the local no de and wri tes to an area i n the des ignated no de. The RECV ins truc tion reque sts the designated node to se nd area data an d writ es the data to the l ocal [...]

8 Overview Section 1-1 1-1-2 Features The Con troller L ink Networ k h as the follo wing features to m eet the var ious requireme nts of F A si tes. Data Links Flexible and efficient data li nks can be c reated for large c apacitie s of data as list ed below . Data link s can be automat ically set, or they can be set by the us er to fr eely chang e[...]

9 Overview Section 1-1 Compatible with Diff erent Node Configurations The following Controll er Link Units ar e a vailable f or communicat ions between diff erent m odel s. It must b e not ed, h owev er , that the wir ed sy st em a nd o ptical system canno t e xist in one Cont roller Li nk Networ k. Wire d Syst em • Controller Link Uni t for CS/C[...]

10 Overview Section 1-1 • If Repeate r Units are in stall ed at li ke ly f uture br an ch points in the netwo rk in advanc e, new nodes can be a dded by simpl y connectin g them to th ese Repeater Units. The total length of wired netw orks can be e xtended. At a baud rate of 2 Mbps, conv entional wired networks can be up to 500 m long. By using t[...]

11 Specification s and Configur ations Section 1-2 Method Alloca tion ad dresse s and sizes are all specifi ed using the Automatic Data Li nk Creation Parameters (D30000 × Unit No . + 12 to 20) in the DM Parameter Area. The se values can be set using the CX-Net in the CX-Programmer v er- sion 3.2 or highe r . Objective This fu nction is effective [...]

12 Specifications and C onfigurations Section 1-2 Connecting Repeater Units Using T wisted-pair Cab le in Wired Systems T -Branch Wiring Long-distance Wiring C P U CJ1W -CLK21-V1 Controller Link Unit CJ-series PLC IBM PC/A T or compatible T wisted-pair cable 3G8F7-CLK21-E-V1 Controller Link Su pp or t Board C200HW -CLK21 Controller Link Unit CVM1-C[...]

13 Specification s and Configur ations Section 1-2 Con v erting Part of the T ransmission Line to Optical Fiber T wo Repeat er Units of the sam e model must be used whe n par t of the tran s- missio n line us es optic al fiber. Maxim um Configuration of 62 Nodes The following Controlle r L ink Un its /S uppo r t Boards must b e used t o co nstr uc [...]

14 Specifications and C onfigurations Section 1-2 1-2-3 Comm unications Spec ificatio ns Wired S ystem Note 1. The maxi mum distanc e between node s depen ds on the conn ector and ca- b le pr oc es sing meth ods . 2. At lea st one Repeat er Unit is required to c onstr uct n etworks that uses a node addr ess highe r than 32. The f ollowing Contr oll[...]

15 Specification s and Configur ations Section 1-2 Communicat ions Specificati ons when Using the CS1W -RPT01 Repeater Unit in a Wired Networ k Note 1. Specifi catio ns within a segm ent are i dentical to the s pecific ations of a Wired C ontrolle r Link N etwor k. 2. Maximum trans mission di stance: T otal leng th of cables in the lon gest pat h c[...]

16 Specifications and C onfigurations Section 1-2 1-2-4 Controller Link Unit Mo dels a nd PLCs Wired Sy stem Ther e are five Controller Link Units: O ne f or CVM1 and CV - seri es PLCs, one each for CS-serie s and CJ- ser ies PLCs, one for the C200HX/HG /HE PLC, and one for CQM1H -series PLCs. Item Specificatio ns Model CS1W -CLK21-V1 CJ1W -CLK21-V[...]

17 Specification s and Configur ations Section 1-2 Note A Control ler Link Sup por t Board can be inst alled into an IBM PC /A T or com- patible compute r to connec t the computer to the networ k. Refer to the Con- troller L ink Supp or t Boar ds Ope ration Manual ( W307) for details. Item Specifica tions Model CVM1-CLK21 CQM1H-CLK21 External appe [...]

18 Specifications and C onfigurations Section 1-2 CS/CJ-series Contr oller Link Unit Models Note A networ k can cont ain both nodes wi th maximum of 20,000 da ta link words and nod es with 12,00 0 data li nk words. When mo dels with - V1 suffi x and those witho ut -V1 suffix are both us ed in the same network , 1:N automa tic data link s and confi [...]

19 Specification s and Configur ations Section 1-2 1-2-5 Devices f or Conn ection T o set up a Contr ol ler Li nk Network , the following devices are neede d in add i- tion to a Co ntrolle r Link Unit and a P LC. Communications Cab les The following shielde d t wisted-p air ca bles are recom mended for Wired C on- troller L ink Networ k conn ection[...]

20 Specifications and C onfigurations Section 1-2 Note 1. Repeate r Units d o not use a node a ddress. 2. See Connectio n Pr oc ed ure for an e xplanation of h ow Repeater Units are used. 3. The following P ower Su pply Uni t is rec ommended: OMRON S82 K Seri es Relay T erminal Blocks The following Relay T er mina l Block can be us ed to m ake main[...]

21 Specification s and Configur ations Section 1-2 Note Nor mally , the communicati ons cable must be disc onnected fr om a Wired Con- troller Li nk Unit to rep lace it. Doi ng this, howe ver , will inte rr upt communic a- tions on th e network , requir ing t hat all nod e be tur ned OFF to ensure s afety before replacing a Unit. With the above Rel[...]

22 Specifications and C onfigurations Section 1-2 2. F or autom atic data link creatio n with 1 :N alloca tions or when c hangin g data link tables while the data lin k is active (CS1W -CLK21-V 1 and CJ1W- CLK21-V 1), use the C X-Net in CX-P rogrammer version 3.2 or highe r . Controller Link Support Soft ware (V er sion 2.00) The Control ler L ink [...]

23 Specification s and Configur ations Section 1-2 Using a Computer Node A computer th at is a node on the Networ k can al so be used to control th e Controll er Link Networ k. Note Use Contr oller L ink Su ppor t Software version 1 .1 for an ISA Control ler Link Suppor t Board. The Control ler Link S uppor t Software can also be used wi th the Con[...]

24 Specifications and C onfigurations Section 1-2 Controller Link Support So ft ware Menu Overview Note 1. Refer to the Controller Link Sup por t Software Operation Ma nual (W308) f or detail ed operatin g proced ures. 2. Use the CX -Net in C X-Programmer version 5.0 or highe r to set data link areas in which the number of send and r eceive words e[...]

25 Selection of Communic ations Func tions Section 1-3 When Operating on P ersona l Computer as Pe ripheral Software When Operating on P ersonal Compute r Connected as a Node Note 1. F or fur ther details a bout th e CX-Programm er , r efer to the WS 02-CXPC @ - E-V @ C X-Programmer Operatio n Manual. 2. Use version 1.54 or hi gher of CX- Net in ve[...]

26 Basic Proc edures Section 1-4 other PLC s in other nodes or from one PLC to IBM PC/ A T or c ompatible com- puters. 1-4 Basic Pr ocedures Preparations C200HX/HG/HE and CQM1 H-series PLCs 1,2,3. .. 1. P e rf or m mounti ng and w iring. • Mount to th e PLC. • Connect th e communic ations cables. 2. Set the node addr ess on the front r otar y s[...]

27 Application Precaut ions Section 1-5 b) Thi s settin g is valid o nly with the CS 1W - CLK21 -V1 and CS1W - CLK21-V1. Re set the power to th e PLC after s etting. Data Link Proc edure S et th e dat a li nk m ode in the data link par amet ers in t he DM area of t he st ar- tup node to e ither autom atic or manual da ta link creation using th e Pr[...]

28 Application Pre cautions Section 1-5 • Set routi ng tables at all t he nodes in all th e network s when mul tiple n et- works a re conn ected. • When usin g the SEND/RECV or CMND instructi ons on a PLC for whi ch routing table s have been set, be sure to sp ecify the network add ress es that are s et in the routing table s. • When us ing m[...]

29 Application Precaut ions Section 1-5 • The Wire d Network 62 Node En able B it in the D M Parame ter Area s oft- ware swi tches of CS 1W-CLK21-V1 a nd CJ1W-CLK2 1-V1 Units i s read when the Uni t is restarted. • When usi ng automatic data link creation wi th 1:N alloc ation, all no des must be CS1W-CLK 21-V1 or CJ1W-CLK21- V1 Controlle r Lin[...]

30 Application Pre cautions Section 1-5[...]

31 SECTION 2 Basic Procedur es This section describes the basic procedures to u se the Controller Link Unit. Th e settings necessary for usin g each of the functions are also explained briefly . For more details, refer to the following sections on individ ual functions. 2-1 Data Links Procedu res . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

32 Data Links Procedures Section 2-1 2-1 Data Links Procedures 2-1-1 Manually Setting Data Links When t he data lin k mode is set for manual data li nk table creatio n, the dat a link tables can be input usin g the Controll er Link Su ppor t Software or CX- Pro- grammer . U se the f ollowing pr ocedur e. 1,2,3. .. 1. Install and wir e the Units. 2.[...]

33 Data Links Procedures Section 2-1 6. Set the data link m ode. Note a) When using f ew er than 33 node s, make sure that the Wi red Net- work 6 2 Node Enable Bit if the DM P arameter Area s oftware s witch is tur ne d OFF to re stri ct the networ k to 32 node s maxi mum. T o con stru ct a networ k tha t u ses a node addre ss hig her than 32, all [...]

34 Data Links Procedures Section 2-1 8. Star t the data lin ks. Not e a) Data link Star t/S top Bit ( N= unit num ber): CS/CJ Se ries: Word 0 of DM300 00 + 1 00 × N C200HX/HG /HE: AR 0700 (operatin g le vel #0), AR 0704 ( operating l e vel #1) CVM1/CV S eri es: Word 0 of DM 2000 + 100 × N CQM1H Ser ies: A R 0700 b) The data li nks will not star t[...]

35 Data Links Procedures Section 2-1 2. Prepar e for communications. 3. T ur n ON t he power to the PLC. 4. Connect th e Programming D e vice. 5. Create I/O tables. 6. Set the data link m ode. Contents Method Nodes P age a. Set the uni t num- ber . Use the front rot ary swi tc he s. CS/CJ-series, CVM1, and CV -series PLCs only 98 b. Set the node ad[...]

36 Data Links Procedures Section 2-1 Note a) When using f ew er than 33 node s, make sure that the Wi red Net- work 6 2 Node Enable Bit if the DM P arameter Area s oftware s witch is tur ne d OFF to re stri ct the networ k to 32 node s maxi mum. T o cons truc t a networ k containi ng mor e than 32 nodes, al l nodes must use the CS1W-CLK21-V1 or C J[...]

37 Data Links Procedures Section 2-1 • 1:N alloc ation ( Compati ble with CS1W-CLK21-V1 a nd CJ1 W -CLK21- V1) Common T ype Note F or automati c data link c reation wi th 1:N allocati ons, use the CX -Net in CX-Pr ogrammer version 3.2 or higher. Contents Method Nodes P age a. Set the data l ink mode to autom atic. Use Suppo r t Soft- ware f or th[...]

38 Data Links Procedures Section 2-1 1 to 1 T y pe Note F or autom atic data link cr eation wi th 1:N al location , use CX-Net i n CX-Programm er version 3.2 or h igher . Contents Method Nodes P age a. Set the data l ink mode to autom atic. Use Suppo r t Soft- ware f or the PLC includ ing Prog ram- ming Con sole ( see note). Data l ink startup node[...]

39 Data Links Procedures Section 2-1 Chain T ype Note F or automati c data link c reation wi th 1:N allocati ons, use the CX -Net in CX-Pr ogrammer version 3.2 or higher. 8. Star t the data lin ks. Note Data link Star t/S top Bi t (N= un it number): CS/CJ Se ries: W ord 0 of DM30000 + 100 × N C200HX/HG /HE: AR 070 0 (operating l e v el # 0), AR 07[...]

40 Message S ervice Procedure Section 2-2 C200HX/HG /HE: AR 070 0 (operating l e v el # 0), AR 070 4 (operating l ev e l #1) CVM1/C V Ser i es: Word 0 of DM 2000 + 100 × N CQM1H Ser ies: AR 0700 Note The data l inks wi ll not sta r t if t here i s an err or in the d ata lin k tables in the s tar tup node. Data li nks ca n be star ted and stopped u[...]

41 Message Service Procedure Section 2-2 6. Set the data link m ode. Note When usi ng fe wer than 33 no des, make sure tha t the Wire d Network 62 Node Enable Bit in the DM Parameter Area so ftware s witches is tur ned OF F to restri ct the networ k to 32 nodes maximum. T o con- str uct a networ k conta ining more th an 32 node s, all nodes mus t u[...]

42 Message S ervice Procedure Section 2-2[...]

43 SECTION 3 Installation and W i ring This section describes how to install a Controller Link Uni t and how to wire the Controller Link Network. 3-1 Componen t Names and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3-1-1 CS-series Contro ller Link Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3-[...]

44 Componen t Names and Func tions Section 3-1 3-1 Componen t Names and F unction s This sec tion des cribes the na mes and fun ctions o f the Con troller Link Unit compo nents. This s ectio n also de scr ibes the operation o f the in dicat ors. 3-1-1 CS-series Contr oller Link Units Unit number switc h One rotary switch. The unit n umber is set in[...]

45 Component Names an d Functions Section 3-1 Wired Unit Indicators Note Even when the local no de does not par tic ipate in the da ta link, the indica tor will be lit if there are manually set data links act iv e on th e network . F or det ails ref er to 9-1 T roub leshoo ting Usi ng Indica tors . Name Color Status Meaning RU N (oper ating) G reen[...]

46 Componen t Names and Func tions Section 3-1 Dimensions (Unit: mm) 3-1-2 CJ-series Contr oller Link Units 101 35 130 CLK21-V1 UNIT No. RUN CLK21-V1 ERC INS ERH M/A LNK RD NODE No. x10 1 x10 0 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 TER SD 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 BAUD RATE 1 2 ON SW1 ON TER SW BD H BD L SHLD ON 1 2 Indicat ors (Refer to pa[...]

47 Component Names an d Functions Section 3-1 Wired Unit Indicators Note Even when the l ocal nod e does not par ticipate in the dat a link, t he M/ A indicator will be li t if there are ma nually set da ta links act ive on the network . F or details, refer to 9-1 T roub lesho oting Usi ng Indica tors . Name Color Status Meaning RU N (oper ating) G[...]

48 Componen t Names and Func tions Section 3-1 Dimensions (Unit: mm) 65 31 UNIT No. RUN CLK21-V1 ERC INS ERH M/A LNK RD 90 2.7 2.7 NODE No. x10 1 x10 0 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 TER SD 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 BAUD RATE 1 2 ON SW1 ON TER SW BD H BD L SHLD 82 ON 1 2[...]

49 Component Names an d Functions Section 3-1 3-1-3 C200HX /HG/HE Contr oller Li nk Unit Wired Unit Indicators 1 Indicators LED indicators that display the Unit and netw ork status. Node address switc hes T wo rotary switches. The node address of the Unit on the Controller Link Network is set in 2-digit decimal. Baud rate and operating level settin[...]

50 Componen t Names and Func tions Section 3-1 Note Even when the local no de does not par tic ipate in the da ta link, the indica tor will be lit if there are manually set data links act iv e on th e network . F or det ails ref er to 9-1 T roub leshoo ting Usi ng Indica tors . Dimensions (Unit: mm) RD (receiv e) Y ellow Lit Data re ception. Not li[...]

51 Component Names an d Functions Section 3-1 3-1-4 CVM1 and CV -series Contr o ller Link Unit Wired Unit Indicators Unit number switc hes T wo rotary switches. The unit number is set in 2-digit decimal for the Netw ork to which the PLC is connected. Indicators LED indicators that display the Unit and netw ork status. Node address switc hes T wo ro[...]

52 Componen t Names and Func tions Section 3-1 Note Even when the local no de does not par tic ipate in the da ta link, the indica tor will be lit if there are manually set data links act iv e on th e network . F or det ails ref er to 9-1 T roub leshoo ting Usi ng Indica tors . Dimensions (Unit: mm) SD (send) Y ellow Lit Data transm issi on. Not li[...]

53 Component Names an d Functions Section 3-1 3-1-5 CQM1H-series Contr oller Link Unit Wired Unit Indicators Indicators LED indicators that display the Unit and netw ork status. Node address switc hes T wo rotary switches. The node address of the Unit on the Controller Link Network is set in 2-digit decimal. Baud rate switch T erminal block for the[...]

54 Componen t Names and Func tions Section 3-1 Note Even when the local no de does not par tic ipate in the da ta link, the indica tor will be lit if there are manually set data links act iv e on th e network . F or det ails ref er to 9-1 T roub leshoo ting Usi ng Indica tors . Dimensions (Unit: mm) 3-1-6 Wire-to-Wire Repeater Unit 32 110 122.8 15.[...]

55 Component Names an d Functions Section 3-1 Repeater Unit Indicato rs Dimensions (Unit: mm) Name Color Status Meaning PWR (P owe r su pply) Green Lit P ow er su pply i s ON. Not li t P ow er su pply is O FF . T/R1 (SL1 co mmuni cat- ing) Y ellow Lit T ransm ission signa l is bein g sen t or receiv ed. Not li t No transmi ssio n signal . TR2 (SL2 [...]

56 Componen t Names and Func tions Section 3-1 3-1-7 Wire-to-Optical (H-PCF) Repeater Unit Repeater Unit Indicato rs O N 1 2 O N 1 2 DC24V INPUT SL1 SL2 T/R2 T/R1 PWR CS1W-RPT02 BD L SHLD BD H TER SW ON ON SW1 BAUD RATE 1 2 + − SL1 T er minal Block for Comm unications Cable T erminals to connect to the Controller Link Network communications cable[...]

57 Component Names an d Functions Section 3-1 Dimensions (Unit: mm) 3-1-8 Wire-to-Optical (GI) Repeater Unit 75.6 73.3 8 59 Two, 4.5 dia. 30 90 21 81 (Unit: mm) O N 1 2 O N 1 2 DC24V INPUT SL1 SL2 T/R2 T/R1 PWR CS1W-RPT03 BD L SHLD BD H TER SW ON ON SW1 BAUD RATE 1 2 + − SL1 T er minal Block for Comm unications Cable T erminals to connect to the [...]

58 Unit Install ation Section 3-2 Repeater Unit Indicato rs Dimensions (Unit: mm) 3-2 Unit Installation • The Contr oller Link U nit is mounte d onto a CPU Backplane or E xpansio n CPU Backplane for use. F or deta iled informa tion on into a P LC instal lation procedu res, ref er to the PLC Insta llation Gu ide. • Repeate r Units are not mo unt[...]

59 Unit In sta lla tio n Section 3-2 2. Be su re that all screws on the Backplane, the Bus Con nection Uni t, the ter- minal block, and cables are tightened fir mly . If s cre ws work loos e , a mal- function may occur as a res ult of vi bration. 3. A label h as been placed over the upper sur face of the Controller Link Unit to prev ent sc raps of [...]

60 Unit Install ation Section 3-2 Installing with Another Comm unications Unit When inst allin g a Controller Link Unit along with ano ther Communic ations Unit, such as a SYSM AC LINK Unit or a SYS MAC NET LINK Unit moun t both Units in the 2 slo ts on the left o f the CP U Unit. Installing with a PC Card Unit When ins talling a Co ntroller Li nk [...]

61 Unit In sta lla tio n Section 3-2 CS-series PLCs Up to a t otal o f ei gh t Co ntrol ler Lin k Unit s with u ni t version 1.2 or lat er ( wir ed , optical , and o ptical ring ) f or CS -seri es PLCs (or u p to four pre-V er . 1.2 C on- troller Li nk Unit s) can be installe d in a CPU B ackplane or a CS Expans ion Rack. Controller L ink Units can[...]

62 Unit Install ation Section 3-2 Note When ins tall ing sev eral CS-ser ies CP U Bus Units at the same tim e, a total o f 16 CS-ser ies CPU Bus Un its maximum may be installed. Up to eight CS/CJ- ser ies Cont roller Link Units with uni t version 1.2 or later can be conne cted to a single CPU Unit. When c onnectin g multiple Controll er Link Units [...]

63 Unit In sta lla tio n Section 3-2 CJ-series PLCs Up to a to tal of four Controller Link Uni ts for CJ-ser ies PLCs can be co nnecte d in a CPU Rack or a Expan sion Rack. (B e sure to se cure th e Units w ith the top and bo ttom slid ers.) Note When insta lling se veral CJ-ser ies CPU Bus Units at the sa me time, a total of 16 CJ-ser ies CPU Bus [...]

64 Unit Install ation Section 3-2 Exampl e: Using the C2 00HW- P A204 P ower S upply Unit s upplyin g a m axi- mum current of 4.6 A ( 5 V) and maximum power of 30 W . CQM1H-series PLCs Only o ne Contro ller Li nk Unit c an be co nnecte d in a CQ M1H-se ries PLC. Connect the Controller Li nk Unit to the le ft side of the CPU Unit and th en con- nect[...]

65 Unit In sta lla tio n Section 3-2 Screw-mount ing a Repeater Unit Use M4 × 15 screws to mount t he Unit as shown in th e following diagram. Mounting a Repeater Unit on DIN T rack 1,2,3. .. 1. Unlock the DIN T rack mounting pin s located on the rear of the Repea ter Unit. 2. Attach th e Repea ter Un it by hookin g it on to the DIN T rack from a [...]

66 Wi r i n g Section 3-3 End Pla te: PFP-M (2 Plate s requi red per Repeater Un it) 3-3 Wiring 3-3-1 Comm unications Cab les Using the s pecifie d twist ed-pair ca ble, connect all nodes us ing the mult idrop method. Communicat ions Cables The f ollowin g shielded twisted-pa ir cables should be us ed f or Controll er Link Network conne ctions. Not[...]

67 Wi r i n g Sect ion 3-3 3. Do not co nnect th e shie ld cable of the c ommunic ations c able to a ground that is a lso be ing used f or power-sys tem devices, such as inverte rs. 4. Ground the shiel d line of th e communicati ons cable at one en d of the n et- work. D o not ground the shiel d at both en ds. 5. Do not r un wir ing outdo ors. If o[...]

68 Wi r i n g Section 3-3 Using a Relay T erminal Block Note 1. Mounting and di smoun ting du r ing co mmunicati ons is not pos sible f or Re- lay T ermi nal Blocks c onnect ed to the no des at the ends o f the ne twork ( i.e.: the nod es with te rm inatin g resis tance ). 2. Use the re comme nded cr imp ter mi nals when connec ting the c able’ s[...]

69 Wi r i n g Sect ion 3-3 5. T wist fi r mly the p or ti on of th e signal lines th at are exposed. 6. Apply vinyl tape or heat- shr inking tube to the end of the cov er tha t was peeled i n step 1. 7. Mount the cri mp ter min al onto the si gnal lines and the shie ld line. Use M3 crimp t erminals . 8. Connect the s ignal line s and the shie ld li[...]

70 Wi r i n g Section 3-3 b) The approximate dim ension for when the ca ble has been wire d from the ter m inal block along the front of th e Unit is shown in th e f ol lo wing diag ram. Note 1. Always tur n OFF th e power to th e PLC before connect ing th e communic a- tion s cab les. 2. Always use a crim p ter minal for wir ing. If a wire that ha[...]

71 Wi r i n g Sect ion 3-3 10. When be nding a com munications cable, allow 60 mm or more for the bend- ing radius (R). 11. Do not p lace any objec t on the communica tions cable. 12. Supply power only after checking the wi rin g thoroug hly . 13. Connect th e ter min al block only afte r checking it t horou ghly . 14. Mar ks are p rovided on th e [...]

72 Wi r i n g Section 3-3 8. Do not p lace any objec t on the power ca ble. 9. Check that con nectors ar e correc tly attac hed before usin g the Unit. P ower Suppl y Specifi cations The power supp ly to the Re peater Uni t must mee t the following speci fications. The following P ower Su pply Uni t is rec ommen ded: OMR ON S82K Series La ying Opti[...]

73 Wi r i n g Sect ion 3-3 5. Move the cable connector so that the loo se ends ar e on the le ft-hand sid e, and inse r t th e Unit’ s optical connec tor as far as it wil l reach. • Inser t the co nnecto rs com pletely and always check that t he co nnectors are locked bef ore star tin g operat ion. Even in token-r ing mode, the network will be [...]

74 Wi r i n g Section 3-3 Communications Cab les Opt ical Bus o r Op tic al Ring System ( H-PCF Cable) The following devices are requ ired for the Opt ical Bu s or Opt ical Rin g (H-PCF) Controll er Link Ne twork. The cable and c onnector s are the same as thos e used for Optica l SYSM AC LINK Networ ks. Optical Fiber Cables (Indoor Use Only) Use t[...]

75 Wi r i n g Sect ion 3-3 Optical Fiber Cables with Connect ors (Indoor Use Onl y) The following Opti cal Fi ber Cables a re av ailable with Connec tors alre ady attach ed. Note 1. Consult a speci alist trad esman if cables with outdoor specific ation s are re- quired. 2. The cables lis ted above are blac k and have pow e r suppl y lines a nd tens[...]

76 Wi r i n g Section 3-3 CS1W -RPT03 (GI) Note 1. Always use the spe cifie d Optic al Fibe r Cables. 2. Although the Op tical Fibe r Cables can be distin guished by the mark ings or colo r , in orde r to pre vent incorrect co nnection it is reco mmended that tags are attac hed to the cables. 3. The maxi mum dist ance between nod es depends on the [...]

77 Wi r i n g Sect ion 3-3 Remov e the covers from the tips of t he cables ’ S T c onn ec tors if ther e are cov ers prote cting the ST con nectors. Note T o replac e the Optical Co nnecto r Cov er , ju st rev e rse the ste ps shown in the di agram abov e. 4. T ur n t he cable conn ector s o that the tab in the co nnecto r f aces left an d aligns[...]

78 Constructin g Networks with Repeater Units Section 3-4 Note L f is fiber length in k m, T a is ambient temp erature, and λ is the peak wav e- length of the t est light sour ce. 62.5/125 µ m A GF Cable Note L f is fiber length in k m, T a is ambient temp erature, and λ is the peak wav e- length of the t est light sour ce. Connector s ST Conne [...]

79 Constructing Netw orks with Repeater Units Section 3-4 Units/Su ppor t Boards or Repeate r Units) at both ends of each ne twork segmen t created by in stalling Repeate rs must al so be tur ne d ON. T o cons truct a 62 -node configurati on in a wired ne twork, al l networ k nodes must co nsist of one of the following mod els: CS1W -CLK21- V1, CJ1[...]

80 Constructin g Networks with Repeater Units Section 3-4 3-4-2 Number of Repeater Uni ts The number of Re peater Uni ts that can be connec ted in a Wi red Contr oller Link Networ k dep ends on th e mode of connec tion. When Repe ater Unit s ar e us ed, a maxi mum of 32 Unit s , incl udi ng Co ntro ller Link Uni ts/Suppor t Boards an d Repeat er Un[...]

81 Constructing Netw orks with Repeater Units Section 3-4 Long-distance Wiring: 2- stage Repeater Unit Connection Not more th an 2 Repe ater Units (2 stages ) must be pa ssed f or any node t o reach a ny other node P artial Optical Con version: 2 -stage Repe ater Unit Connection T wo Wire-to -Opt ical Repea ter Unit s make up a sing le set coun ted[...]

82 Constructin g Networks with Repeater Units Section 3-4 The path fro m one node to another tra vels via three Repeat er Units (3 stages). T his k ind of networ k is NOT allowed. Note If the Repeate r Units are used in correctly , co mmunications errors may occur , or nodes ma y not be able to par ticipate in the networ k. 3-4-3 T erminating Resis[...]

83 Constructing Netw orks with Repeater Units Section 3-4 P artial Con version to Optical Fi ber Combining T -Branch Wiring (2-sta ge Repeater) and P artial Optical Fiber Note When co nstructin g a network using Repea ter Units, each segme nt must sat- isfy al l of the following require ments: • The total number of Contr oller Link Uni ts, Suppor[...]

84 Constructin g Networks with Repeater Units Section 3-4[...]

85 SECTION 4 Pr eparations f or Communications This section describes th e settings required for startin g communications. These basic s ettings are required for bot h data links function and the message service. C arry out the settin gs described here before turning on po wer to the Controller Li nk Unit. 4-1 CS-series Controller Link Units . . . [...]

86 CS-series Con troller Link Units Section 4-1 4-1 CS-series Controller Link Units The following settings are require d f or a Controller Link Unit used with a CS- ser ie s PLC. 4-1-1 Overvie w Unit Number Node Address Baud Rate Note F ac tor y de f ault se tting i s in bol d. Always lea v e pins 3 and 4 OF F . T ermin ating Resi stance 4-1-2 Unit[...]

87 CS-series Controller Link Un its Section 4-1 Set the node addr ess us ing a sm all flat- blade screwdri ver , being c aref ul not to damage the rotar y switches. Note 1. Always turn OFF the P LC’ s power before setting the unit number . 2. When sett ing a Uni t for the first time or ch anging the existing setting, create a I/O table in the PLC[...]

88 CS-series Con troller Link Units Section 4-1 ther com munication s will stop, or the INS indicato r will no t light and you will be unable to par ticipate in t he Networ k. 4. When CS1W-CLK21-V1 a nd CJ1W -CLK21 -V1 Units ar e used with ot her models i n the sam e networ k, set the nod e addres ses of a ll nodes between 1 and 32 . In a networ k [...]

89 CJ-series Controller Li nk Units Section 4-2 2. The default setting is 2 M bps, 500 m. 4-1-5 T erminating Resist ance T ur n ON th e ter minating res ist an ce using the switch on th e bo ttom of the Uni t f or the Units of both end s of the Networ k. The ter minating resista nce is required at bo th ends of a Net work to abs orb unnec essar y s[...]

90 CJ-series C ontroller Link Un its Section 4-2 4-2-1 Overvie w Unit Number Node Address Baud Rate Note F ac tor y de f ault se tting i s in bol d. T ermin ating Resi stance 4-2-2 Unit Number Set the un it number for each Uni t us i ng th e ro ta r y switches on the fr ont of th e Unit. The unit num ber is used t o ident ify a CPU Bu s Unit within[...]

91 CJ-series Controller Li nk Units Section 4-2 5. The default setting is “0. ” 6. The uni t number d eter mines the words u sed by the Co ntroller Link Uni t in PLC memor y . 4-2-3 Node Addresses Set the node address es of e ach Unit on t he Networ k usi ng the r otar y switches on the fr ont of the Unit. The node address is used to ide ntify [...]

92 CJ-series C ontroller Link Un its Section 4-2 6. Only n ode ad dresse s 1 thr ough 3 2 can be used on networ ks for which 6 2 nodes have not been en abled. 7. The Wi red Networ k 62 Node En able Bit in the DM Par ameter Area s oft- ware s witches of CS1W-CLK21-V1 and CJ1 W -CLK21-V 1 Units is rea d when the Uni t is resta r ted. 8. The send sequ[...]

93 C200HX/HG/HE C ontroller Link Units Section 4-3 Note 1. Always turn OFF the P LC’ s power bef ore s etting the te r minati ng resi stance sw i t c h . 2. T ur n ON the switch to connect ter min ating resi stance at the nod es at both ends of the Ne twork and turn OFF the switch at all other nodes. N or mal communica tion canno t be perform ed [...]

94 C200HX/HG/HE Controller Link Units Section 4-3 4-3-1 Overvie w Node Address Baud Rate and Operating Leve l • Baud Rate Note F ac tor y de f ault se tting i s in bol d. Always leav e pin 3 O FF . • Ope rat ing Le vel T ermin ating Resi stance 4-3-2 Node Addresses Set the node address es of e ach Unit on t he Networ k usi ng the r otar y switc[...]

95 C200HX/HG/HE C ontroller Link Units Section 4-3 Set the node addr ess us ing a sm all flat- blade screwdri ver , being c aref ul not to damage the rotar y switches. Note 1. Always turn OFF the P LC’ s power before setting the node addr ess. 2. Do not set the s ame nod e address twice wit hin the same Networ k. An er ror will occur if the same [...]

96 C200HX/HG/HE Controller Link Units Section 4-3 Note 1. Do not u se the sa me operatin g lev el for more than one Unit m ounted to the same PLC. An er ror will o ccur is th e sam e operating lev el i s set twi ce. 2. Operating lev els are use d by the CPU Unit to distingu ish different Commu- nicatio ns Units. Ea ch node can have a diff erent ope[...]

97 CVM1 and CV -series Controller Link Units Section 4-4 4-4 CVM1 and CV -series Contr oller Link Units The following settings are r equired f or a Control ler Link Unit when use d with a CVM1 or CV -ser ies PLC. 4-4-1 Overvie w Unit Number Node Addresses Setting Baud Rates Note The factor y default sett ing is in bo ld. Always k eep pins 3 and 4 s[...]

98 CVM1 and CV -series Controller Link Unit s Section 4-4 4-4-2 Unit Number Set the un it number for each Uni t us i ng th e ro ta r y switches on the fr ont of th e Unit. The unit num ber is used t o ident ify a CPU Bu s Unit within the PL C. Any unit number can be set b etween 00 a nd 15. Set the node addr ess us ing a sm all flat- blade screwdri[...]

99 CVM1 and CV -series Controller Link Units Section 4-4 2. Do not set the s ame nod e address twice wit hin the same Networ k. An er ror will occur if the same ad dress i s set for two diff erent nodes. The ERC ind i- cator on th e front of the Un it will li ght and eithe r communic ations will s top, or the INS in dicator will no t light and you [...]

100 CQM1H-series Controller Link Units Section 4-5 Note 1. Always turn OFF the P LC’ s power bef ore s etting the te r minati ng resi stance sw i t c h . 2. T ur n ON the switch to connect ter min ating resi stance at the nod es at both ends of the Ne twork and turn OFF the switch at all other nodes. N or mal communica tion canno t be perform ed [...]

101 CQM1H-seri es Controller Link Un its Section 4-5 4-5-2 Node Addresses Set the node address of eac h Unit in the Network u s ing the r otar y s witch on the front o f the Unit. T he node add ress i s used to ide ntify e ach node i n the Network. The node address can be s et to a ny v alue between 01 and 32. Set the node addr ess us ing a sm all [...]

102 Repeater Units Section 4-6 Note Set the sam e baud rate for all the node s on the Networ k. Nor m al communic a- tion can not be p erf ormed unless t he sam e baud rate i s set for all the no des. 4-5-4 T erminating Resist ance T ur n ON th e ter minating res ist an ce using the switch on th e bo ttom of the Uni t f or the Units of both end s o[...]

103 Repeater Units Section 4-6 4-6-1 Wire-to-Wire Repeater Unit T ermin ating Resi stance Sw itch for SL1 Note The factor y default sett ing is in bo ld. T ermin ating Resi stance Sw itch for SL2 Note The factor y default sett ing is in bo ld. Baud Rate Switch Note The factor y default sett ing is in bo ld. 4-6-2 Baud Rates Set the sam e baud rate [...]

104 Repeater Units Section 4-6 See pages 15 an d 79 for details on th e max imum transmiss ion d istance. Note 1. Alway s tur n O FF power to the Repeate r Unit be f ore settin g the baud rate. 2. Set the same bau d rate for all nodes o n the ne twork. Nor mal com munication s throughout t he enti re network will not be per- f or med if the baud ra[...]

105 SECTION 5 Data Links This section describes how to use data links in a Co ntroller Link Network. Refer to SECTION 2 Basic Pr ocedur es for an outline of data link application. 5-1 What Are Data Links?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 5-1-1 Data Link Specif ications. . . . . . . . . . . . .[...]

106 What Are Data Links? Section 5-1 5-1 What Are Data Links? Data link s autom aticall y exchange dat a in the p reset areas between no des (PLCs an d/or comp uters) on one network . Data links can be free ly crea ted for CS/CJ-ser ies PLCs, C200HX /HG/HE PLCs, CVM1, CV -ser ies P LCs, CQM1H-s eri es PLCs, and IBM PC /A T or compat ible comput ers[...]

107 What Are Data Links? Section 5-1 Manually set da ta links a re used to cre ate flexib le data link s that meet th e needs of t he indiv idual sy stem. • Data link s are s et in the Cont roll er Link Unit o r Board of eac h node using the Suppo r t So ftware. • Area 1 and ar ea 2 can be s electe d from PLC me mor y areas, in cluding th e DM [...]

108 What Are Data Links? Section 5-1 A utomatically Setting Da ta Links with Equality Lay out A utomatic setting c an be use d to cre ate simple d ata lin ks. • Using a P rogr amming De vice (such as a Programming C onsole), set th e automat ic data l ink mode in the DM Parameter Area o f the st ar tup no de. • Area 1 can be selec ted from b it[...]

109 What Are Data Links? Section 5-1 • There ar e three ty pes of 1:N allocations. • Progr am ming De vices (inc lud ing Prog rammin g Co nsol es) ar e us ed to set the automa tic d ata li nk mo de in the DM P arameter Ar ea of the P LC use d as the s tar tup no de. • Node 1 is the mas ter node. • Areas 1 and 2 ca n be se lecte d from bi t-[...]

110 What Are Data Links? Section 5-1 Using Offsets F or automati cally set data links, all of the send words transm itted by a node are received by other no des with no ch ange in size. For manually set dat a links, the size of a receive ar ea ca n be res tri cted by spec ifying a number of words from the begin ning word of the words s ent by anoth[...]

111 What Are Data Links? Section 5-1 Note The follo wing table shows the status of the data lin k refresh area when a nod e registe red in th e data lin k table generates a communi catio ns error . 5-1-1 Data Link Specifi cations # 1 # 2 # 3 # 4 Send data of node 1 Comm unications e rror ty pe Data link are a A node separ ates from the netw ork whi[...]

112 What Are Data Links? Section 5-1 5-1-2 Differences betwee n Manual and A utomatic Setting Not e a) The following are tr ue f or compu ter nodes (i.e., com puters with a Controll er Link S uppor t Board mounted ). • The data link st ar ti ng positi on is fi x ed. • Becaus e areas su ch as bit-ac cess ar eas and the DM Ar ea are not s up- por[...]

113 Setting Data Links Section 5-2 5-2 Setting D ata Links 5-2-1 Selecting Manu al or A utomatic Setting Specify either th e manual or a utomatic d ata link m ode in t he follo wing D M P arameter Area of th e PLC’ s CPU Unit of the star tup node, using a PLC Pr o- gramming De vice. CS/CJ-ser ies Star tu p Nodes C200HX/HG/HE Startup Nodes CVM1 an[...]

114 Setting Da ta Links Section 5-2 Note 1. Be sure to set the bit in the DM Area’s (CPU Bus Unit Area ’s) sof tware switch es (DM3 0000 + 1 00 × unit numbe r) desc ribed as “alway s set to 0” to 0. Not d oing so m ay resu lt in the d ata link not s tarting prope rly . 2. The default dat a link mode i s for manual setti ng (00) , but check[...]

115 Setting Data Links Section 5-2 4. When usin g the Contr oller Li nk Suppor t Software to set a CJ-ser ies Con- troller L ink Unit, use on e of the f ollowing me thods to set the t ype of PLC. • Set the ty pe of PLC to “Others. ” • Add the following inform ation to th e device inf or mation s etting file (CLKTYP E.TXT) in the Controll er[...]

116 Setting Da ta Links Section 5-2 First dat a link sta- tus w ord Set the f irst word to store data li nk statu s. An area of 1 6 wo rds is used. CIO Area: CIO 00 1 to CIO 6128 (* 1) LR Area: LR 0 0 to LR 184 (*2) DM Area: DM 000 0 to DM 32752 EM Area: Banks 00 to 12, EM 000 0 to EM 32752 *1: When IR 0 00 is s pec ifi ed or when the d ef ault set[...]

117 Setting Data Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not e xceed 20,000 per node when using Contro ller Link Units wit h unit V er . 1.2 or later , or 12,000 wor ds per node i f usin g pre-V er . 1 .2 Contr oller Link Units. b) The following values must be sati sfied for each node f or the [...]

118 Setting Da ta Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the last word in the P LC memo r y area. (Data li nk s[...]

119 Setting Data Links Section 5-2 CVM1 and CV -serie s PLCs Setting item Setting range PLC model Set the model of the PLC’ s CPU Unit. Nodes 1 to 32 Set the ad dress of t he refre sh nodes . It canno t be se t to a par amete r e xceedin g the “m aximu m node address ” of the network par amete r . First dat a link sta- tus w ord Set the firs [...]

120 Setting Da ta Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the last word in the P LC memo r y area. (Data li nk s[...]

121 Setting Data Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the las t word in the P LC memo r y area. First dat a l[...]

122 Setting Da ta Links Section 5-2 (Data li nk star t word – 1) + T otal number of s end/recei v e wor ds in area ≤ 247 (IR Are a) 63 (LR Area) 5999 (DM Area ) 6143 (E M Area) c) Refer to the Controll er Link S uppor t Boards Op eration Manual (W307) for infor mation on the Contr oller Link Sup por t Board. d) If CX-Net det ects a n error dur [...]

123 Setting Data Links Section 5-2 5-2-3 Manual Se tting Exam ples This sect ion shows examples of ma nually creati ng data link tables on the Controll er Link Supp or t Software. Sam ple files con taining the data link tab les are provided on the ins talla tion disk for the Software. SAMPLE1.CLK: Same Allocat i on to All Nodes Data Link Area Struc[...]

124 Setting Da ta Links Section 5-2 Checking the Data L ink T ables T ra nsferring th e Data Link T ables Saving th e Data Link T ables[...]

125 Setting Data Links Section 5-2 SAMPLE2.CLK: Differe nt Al locations to Each Node Data link s can be crea ted so that one nod e does not rece ive from all ot her nodes or so that some nodes do not sen d or recei v e any data at all. In the f ol- lowing example, node 2 doe s not receive data from no de 3 and node 3 does not rec eive data from no [...]

126 Setting Da ta Links Section 5-2 Data Link T ables SAMPLE3.CLK: Creating Data Link Gr oups within a Netw ork A data link s consisting of multiple gro ups within a sin gle network can be cre- ated by setting data link tables. Send and rec eive areas are create d f or only the nodes in each gr oup, as shown below . Data Link Area Structure Data Li[...]

127 Setting Data Links Section 5-2 Device Inf o rmation Setting Data Link T ables[...]

128 Setting Da ta Links Section 5-2 SAMPLE4.CLK: Re ceiving Only P a r t of Send Data and Offsets Only a rea 2 is used in t his example. Note A Control ler Link Sup port Board is u sed in this e xample. The Su ppor t Board does not hav e memor y areas. The ar ea se ttings are ignored and byte address es are used . Refer to the Controller Link Sup p[...]

129 Setting Data Links Section 5-2 Data Link T ables 5-2-4 A u tomatic Setting Data link s can be au tomatica lly create d by setting values in the DM Parameter Area of the PLC’ s CPU Unit of the star tup nod e. The settings are made using a Programming Console o r the CX- Net in the C X-Programmer. The star tup node is the node fr om which the d[...]

130 Setting Da ta Links Section 5-2 CS/CJ-series Startup Node A utomatic setting for the CS/CJ Ser ies ca n be performe d using eithe r equality lay out (previous m ethod), w here each node is all ocated the same link a rea size, or 1:N alloc ations, which allows indi viduall y set exchange o f data between the m aster node and slav e nodes. There [...]

131 Setting Data Links Section 5-2 A utomatic S etting, 1:N Allocations This met hod is used to simplify the estab lishme nt of 1:N allocatio n data links between ma ster and slav e nodes. • There ar e three ty pes of 1:N allocations. • Progr am ming De vices (inc lud ing Prog rammin g Co nsol es) ar e us ed to set the automa tic d ata li nk mo[...]

132 Setting Da ta Links Section 5-2 Set the following paramet er in th e DM Parameter Area o f the P LC a t th e s tar - tup node. A utomatic Setting, Equality La yout Setting Range for A utomatic Setting, Equality La y out Wor d N 0: Always specify 0. – : By other setting 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 –– 0 0 –000– 000 – N: DM 3[...]

133 Setting Data Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not e xceed 20,000 per node when using Contro ller Link Units wit h unit V er . 1.2 or later , or 12,000 wor ds per node i f usin g pre-V er . 1 .2 Contr oller Link Units. b) The following values must be sati sfied for each node f or the [...]

134 Setting Da ta Links Section 5-2 1:N Allocation, Common T ype Features of Common T ype 1:N Allocation • Data communi cations are 1:1 b etween the m aster no de and slav e nodes. • All sl a ve nodes rec eive the data s ent by the maste r node. • The mas ter nod e receives all d ata sent b y the slav es. The r eception size f or the ma ster [...]

135 Setting Data Links Section 5-2 W ords N+2 2 through N+ 25 register nodes that wi ll par ti cipate in the data links. The numb er s sh own in th e ta ble are the node a ddr es ses. T he bit st atus f or each node addres s indica tes wheth er the no de is to par ticipate in t he dat a links. P ar t icip ate: ON Not par tic ipate: OFF Note When u [...]

136 Setting Da ta Links Section 5-2 Note 1. Node 1 is the master node. Nod e 1 must be regist ered as a par ticipa ting node. 2. The sta r tup node (the n ode that se ts t he a bove DM Area paramete rs an d star ts the data l inks) must be set a s a par ticipatin g node o f the data l inks. If not, the d ata li nks will no t star t. Send siz e (n u[...]

137 Setting Data Links Section 5-2 3. When usi ng area 2 only , set the area for area 1 and the numbe r of send words for area 1 to 0. 4. When usi ng area 1 only , set the area for area 2 and the numbe r of send words for area 2 to 0. 5. The total number of words in data link send and r eceive areas must not ex- ceed 20, 000 pe r node when using Co[...]

138 Setting Da ta Links Section 5-2 1:N Allocations, 1 to 1 T ype Features o f 1 to 1 T ype 1:N Allocation • Data communi cations are 1:1 b etween the m aster no de and slav e nodes. • All sl av e nodes rece ive par t o f th e data sent by the maste r nod e. In add i- tion, e ach slave node rece ives unique data from the ma ster node ( see a to[...]

139 Setting Data Links Section 5-2 W ords N+2 2 through N+ 25 register nodes that wi ll par ti cipate in the data links. The numbers in the table are the node addresse s . The bit status gi v en f or each node addres s indica tes wheth er the no de is to par ticipate in t he dat a links. P ar t icip ate: ON Not par tic ipate: OFF Note 1. Leav e the[...]

140 Setting Da ta Links Section 5-2 Note 1. Node 1 becom es the maste r node. Node 1 must be re gistered as a par tic- ipating n ode. 2. Only on e area ca n be specifi ed when using th e 1 to 1 type of 1:N alloc a- tion. 3. The star tup node (the nod e that s ets the a bov e DM parameter an d star ts the data lin k) must be se t as a par ticipating[...]

141 Setting Data Links Section 5-2 (Area st ar t word − 1) + (T otal number of send an d receive words of maste r node *) ≤ 6143 (whe n using t he IR or CIO Area) 199 (when usin g LR Area ) 32767 (wh en using DM or EM Area ) * T otal number of s end and receive words in master n ode = Number of comm on send word s in mas ter node + Number of i [...]

142 Setting Da ta Links Section 5-2 • Each sl av e nodes rec eives data fro m the previous node and then sends data to the ne xt node. Data i s thus passed in ascend ing or der of the nodes par ticipating i n the data l ink. • One area is se lected from the bi t-access areas (e.g., CIO Area) or word- acce ss are as (e. g., D M Are a). • Data [...]

143 Setting Data Links Section 5-2 Note 1. Node 1 becom es the maste r node. Node 1 must be re gistered as a par tic- ipating n ode. 2. Only o ne area can be s pecified when u sing the cha in type of 1:N all oca- tion. 3. The star tup node (the nod e that s ets the a bov e DM parameter and star ts the data lin k) must be s et as a par ticipating no[...]

144 Setting Da ta Links Section 5-2 T otal number of words in data link send and recei v e areas o f master node = Number of comm on send word s in mas ter node + Number o f indiv idual s end word s in each node × Num ber of nod es par- ticipati ng in data links (inclu ding bo th master nodes an d slave nodes) 5. The following values must be s ati[...]

145 Setting Data Links Section 5-2 11. If the L R Area i n the C200HX/H G/HE or CQM1 H-seri es P LC is aut omati- cally set for a data lin k with a CVM1, CV -ser ies P LC or C S/CJ-ser ies P LC, the LR words will be li nked to CIO 1000 to CIO 1063 in the CV M1, CV -se- rie s or CS/CJ-ser ies PLC. CIO 1064 to CIO 119 9 canno t be linked with C200HX/[...]

146 Setting Da ta Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the last word in the P LC memo r y area. (Data li nk s[...]

147 Setting Data Links Section 5-2 CVM1 or CV -series Star tup Node Set the following DM Parameter Area of t he PLC of the star tup node. Settings Data link mode Set to 01 for automatic setting. (00 is for man ual setting. Other values are inv alid.) Number of send words per node of area 1 (BCD) Rightmost 4 digits of data link star t word of area 2[...]

148 Setting Da ta Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the last word in the P LC memo r y area. (Data li nk s[...]

149 Setting Data Links Section 5-2 2. If the LR Are a in a C200HX /HG/HE or CQM1H- ser ies PLC is manual ly set f o r a data lin k with a CV M1, CV -series, or CS/CJ-se ries P LC, the LR words will be li nked to CIO 1000 to CIO 1063 in the CVM 1, CV -ser ies or CS/C J- ser ies PLC. CIO 1 064 to CIO 1199 c annot be linked with C200HX/HG/HE or CQM1H-[...]

150 Setting Da ta Links Section 5-2 CQM1H-series St ar tup Node Set the following DM Parameter Area of t he PLC of the star tup node. Settings Data link mode Set to 01 for automatic setting. (00 is for man ual setting. Other values are inv alid.) Number of send words per node of area 1 (BCD) Rightmost 4 digits of data link star t word of area 2 (BC[...]

151 Setting Data Links Section 5-2 Not e a) The total number of words in data link send and r eceive areas must not exceed 8,000 per node. b) The following values must be sati sfied for each node f or the data link area 1 an d area 2 so tha t the final word in t he data link does not go beyond the las t word in the P LC memo r y area. (Data li nk s[...]

152 Setting Da ta Links Section 5-2 Data Link Areas Crea ted DM P arameter Se tting Example for 1:N Allocation, Common T ype When automa tic data link creation wi th common typ e1:N allocations is used , the DM Parameter Area of the star tup node is se t as follows: *: The default area f or stor ing data lin k status is the Spec ial I/O Unit Area ([...]

153 Starting and Stoppin g Data Links Section 5-3 Data Link Areas Note 1. Node 1 is th e m ast er no de . 2. The star tup node (the nod e that s ets the a bov e DM parameter and star ts the dat a link) ca n be s et at either a maste r node or a sl a ve node. 5-3 Sta r ting and St oppin g Dat a Lin ks Data link must be star te d after dat a link are[...]

154 Starting and Stoppi ng Data Links Section 5-3 5-3-1 Using a Programm ing Device or the User Pr ogram Set the software s witch (AR o r DM Star t Bit) in the PLC to O N using a Pr o- gramming Device or from the user program. The data links will st ar t wh en the Sta r t B it chang es from OFF to O N or is already O N when p o wer is tur ned on. T[...]

155 Starting and Stoppin g Data Links Section 5-3 CVM1 an d CV -s eries Star t Bit CQM 1H- seri es Sta rt Bit 5-3-2 Using the Controller Link Suppor t So ftware and CX-Programmer Data link s can be star ted or stopped usin g command s on t he Data Link Menu of the Con troll er Lin k Suppo r t S oftware. The no de for which sta r tin g and stop- pin[...]

156 Checking Data Lin k Status Section 5-4 Issuing the FINS Command from CVM1, CV -se ries, CS/CJ-se ries, and CQM1H- series PLCs Data link s can be sto pped by sending the FINS comm and “ST OP . ” T he node to which t he FIN S comman d is issue d must be par tic ipating i n the data l ink. 5-4 Checking Data Link Status There ar e two method s [...]

157 Checking Data Link Stat us Section 5-4 When 8- bit Format is Spec ified (i.e ., whe n using a C 200HX/HG /HE, C VM1, CV -series , or CQM1H- series PLC or when u sing a CS/CJ- series PL C with the data lin k status sto rage format specific ation in the DM P ara meter A rea s et to 8- bit f ormat) (See note 1.) Note 1. When the default sett ing i[...]

158 Checking Data Lin k Status Section 5-4 5. The following shows an example of an insuffic ient (shor t) receive area. 6. The following shows an e xampl e of a rem aining receive are a. When 4-bit Form at is Spec ified (i.e ., when using a C S/CJ-seri es PLC with the data link st atus storage format specific ation in th e DM Parameter Area se t to[...]

159 Checking Data Link Stat us Section 5-4 5. With CS/CJ - ser ies PLCs, the status of the words from first status word + 16 to firs t status word + 30 when 8-bit format i s specif ied and the s tatus of the words from f irst sta tus word + 8 t o first s tatus word + 15 ( i.e., the status of nodes 33 to 62) is reflected whe n the Wired Net w ork 62[...]

160 Checking Data Lin k Status Section 5-4 The data link st atus stora ge area i s set as f ollows: Not e a) N: Unit number b) Only stat us for nodes 1 to 6 are sav ed. Data Link Status Stora ge Format (CS/CJ Series Onl y) The set ting for the data l ink sta tus storag e format whe n using CS- or C J- ser ie s PLCs is shown bel ow . The sett ing is[...]

161 Checking Data Link Stat us Section 5-4 Note The data li nk sto rage format s etti ng is ena bled with the data li nk sta r tup node setting. T herefore, if multiple nodes are set as star tup nodes, ensure that th e y all have the same setting s. If there are d iff erent settings, the for mat setti ng will depend on the star tup node. 5-4-3 Data[...]

162 Checking Data Lin k Status Section 5-4 5-4-5 Err or Detection Pr o gram Example When the sou rce node's data link is par tici pating, the AND conditi on of the data link status f or eac h node can be taken using the Data Link P ar ticipa tion Flag an d the Communic ation s Error F lag, and th e error ou tput. The following ex ample s hows [...]

163 Checking Data Link Stat us Section 5-4 Proc essing Data Only when Operati on Is Normal Using the IL-ILC and JMP-JME Instructions P e rf or m processi ng only when opera tion is nor mal by creating a program based on program blocks that process data for each node with the IL-ILC an d JMP-J ME programs. “Data Link Nor mal Ope rating Flags ” c[...]

164 Checking Data Lin k Status Section 5-4 quently cl eared to 00 00. Data processi ng metho ds that wil l not pro cess data o r arit hmetic o perations when errors occur are recomme nded (s uch as shown in th e example for processing data onl y when data link s are op- erating nor mall y or the example f or proces sing data only when operation is [...]

165 SECTION 6 Message Service This section e xplains ho w to use the message service pro v id ed by a Controller L ink Unit. It also e xplains the FINS commands and respons es support ed by Cont roller Link U nits and thos e supporte d by C200HX/ HG/HE, CS/C J-series , CVM1 and CV -series PLCs. 6-1 Introduction . . . . . . . . . . . . . . . . . . .[...]

166 Introduct ion Section 6-1 6-1 Intr oduction A messa ge ser vi ce is a comm and/re sponse sy stem used f or data t ransmis- sion bet ween nodes on a n etwork, i.e., PLC to PL C , PL C to compu ter , and compu ter to PLC). The mes sage ser v ice can also be us ed to control opera- tions, su ch as mod e c hang es. The m essag e s er v ic e i s imp[...]

167 Introduction S ection 6-1 6-1-1 SEND and RECV I/O memo r y data fr om oth er nod es c an b e r ea d or w r itten by si mp ly us in g th e program in the CP U Unit of a C200HX/ HG/HE, CS/C J-ser ies, CVM1, CV - seri es , or CQM1 H-se ries P LC to e xec ute SEND a nd R ECV . CS/CJ-s erie s PLCs SEND SE ND transmi ts “n” words beginn ing with [...]

168 Introduct ion Section 6-1 2. With t he messa ge ser vice, ther e is no g uarantee that a mess age to a de s- tination n ode will r each its de stination . It is always possible that th e mes- sage m a y be lo st in transi t due to noi se or som e other c ondition. W hen using th e messag e ser v ice, it is adv isable to prev ent th is situ atio[...]

169 Introduction S ection 6-1 C200HX/HG/HE PLCs SEND SE ND transmi ts “n” words beginn ing with S (the be ginnin g sou rce word for data transm ission at th e source node) to the “n” words beg inning with D (th e begin ning dest inatio n word for data rec eption at d estin ation node N). Note 1. When co mmunicatin g in the same networ k wit[...]

170 Introduct ion Section 6-1 RECV RECV rec eives “m” words begi nning with S (the beginni ng word f or data transmission at the destina tion n ode, M) to th e words fr om D ( the begin ning word for data rece ption at th e sourc e node) o nwards. Note 1. When co mmunicatin g in the same networ k with a CVM1 or CV - ser ies PLC manufactured pr [...]

171 Introduction S ection 6-1 sage m a y be lo st in transi t due to noi se or som e other c ondition. W hen using th e messag e ser v ice, it is adv isable to prev ent th is situ ation fro m oc- curr ing by perfor ming r esend pr ocessing at th e node wh ere ins truc tions are issu ed. With the SEN D , RECV , and CMND in stru ction s, resend pro- [...]

172 Introduct ion Section 6-1 Note Specify the area code accord ing to t he f ollowing table. Note 1. Words 0 to 2555 in the IR Area can s end an d receive data. 2. Timer /counter s numbers 0 to 204 7 can se nd and rec eive data. Destination node: CS/CJ-series PLC Destination node: C200HX/HG/HE or CQM1H- se ries PLC Destinatio n node: CVM 1 or CV -[...]

173 Introduction S ection 6-1 CVM1 and CV -series PLCs SEND SE ND transmi ts “n” words beginn ing with S (the beg innin g word for data transmissi on at the source node) to “n” words beginni ng with D (the beg inning word f or data recepti on at th e destina tion no de, N.) Note 1. When u sing CVM 1 and CV -seri es PLCs manufactured prio r [...]

174 Introduct ion Section 6-1 RECV RECV rec eives “m” words begi nning with S (the beginni ng word f or data transmission a t the desti nation node, M) to the words be ginning with D ( the beginnin g word for data rec eption at t he sou rce node ). Note 1. When u sing CVM 1 and CV -seri es PLCs manufactured prio r to Ap ril 1996 , the local net[...]

175 Introduction S ection 6-1 CQM1H-series PLC s SEND SE ND transmi ts “n” words beginn ing with S (the beg innin g word for data transmissi on at the source node) to “n” words beginni ng with D (the beg inning word f or data recepti on at th e destina tion no de, N.) Note 1. When com municating in the same network with CVM 1 and CV -seri e[...]

176 Introduct ion Section 6-1 RECV RECV rec eives “m” words begi nning with S (the beginni ng word f or data transmission at the destina tion n ode, M) to th e words fr om D ( the begin ning word for data rece ption at th e sourc e node) o nwards. Note 1. When com municating in the same network with CVM 1 and CV -seri es PLCs manufactured pr io[...]

177 Introduction S ection 6-1 using th e messag e ser v ice, it is adv isable to prev ent th is situ ation fro m oc- curr ing by perfor ming r esend pr ocessing at th e node wh ere ins truc tions are issu ed. With the SEN D , RECV , and CMND in stru ction s, resend pro- cessi ng is pe rformed a utomati call y once the number o f retr ies has bee n [...]

178 Introduct ion Section 6-1 Note Specify the area code accord ing to t he f ollowing table. Note 1. Words 0 to 2555 in the IR Area can s end an d receive data. 2. Timer /counter s numbers 0 to 204 7 can se nd and rec eive data. Destination node: CS/CJ-series PLC Destination node: C200HX/HG/HE or CQM1H- se ries PLC Desti nation node: CV M1 or CV -[...]

179 Introduction S ection 6-1 6-1-2 CMND (CVM1, CV -series, CS/ CJ-serie s, and CQM1H-seri es PLCs Onl y) The CMND in str uction can be ex ecuted in the user program in a CVM1, CV - ser ies, CS/CJ-ser ies, or CQM1H-se r ies PLC to perform operations s uch as reading and writi ng memor y data from and to other nodes, reading st atus informati on, an[...]

180 Introduct ion Section 6-1 sage ser v ice, it is advis able to pre vent this situation from oc curr ing by per- f or ming re send proc essing at the node where instruc tions are issued. Wit h the SEND , RECV , and CMND instr ucti ons, resend proc essing is per formed automa tically once th e number of retr ies has been set, so be sure to specif [...]

181 Introduction S ection 6-1 “00” as t he loca l networ k addr ess in the routi ng tables, and t hen spec ify that n umber . 2. With t he messa ge ser vice, ther e is no g uarantee that a mess age to a de s- tination n ode will r each its de stination . It is always possible that th e mes- sage m a y be lo st in transi t due to noi se or som e[...]

182 Introduct ion Section 6-1 CQM 1H- seri es PL C s CMND sends “ n” bytes of command data begi nning with S (the begin ning word f or stor ing comman d data at the source nod e) to node N. In retur n, “m” bytes of res ponse da ta are s tored at t he sou rce nod e begi nning with D (the begin ning word f or storin g respon se da ta). Note 1[...]

183 Introduction S ection 6-1 curr ing by perfor ming r esend pr ocessing at th e node wh ere ins truc tions are issu ed. With the SEN D , RECV , and CMND in stru ction s, resend pro- cessi ng is pe rformed a utomati call y once the number o f retr ies has bee n set, so be s ure to spec ify a number other than “ 0” f or th e number of ret ries.[...]

184 Introduct ion Section 6-1 F or details on comman ds f or CS/CJ -ser ies PLCs, refer to the CS/CJ-se ries Programmable Control lers Instr u ction s Reference Manual (W 34 0) . For detai ls on comman ds f or CVM1 and CV -seri es PLCs, refer to the FIN S Commands Ref erenc e Man ual (W22 7) . F or deta ils on command s for C200HX/HG /HE PLCs, ref [...]

185 Introduction S ection 6-1 C200HX/HG/HE PLCs Note 1. Words in the Inter nal Relay Area 1 (IR 000 to IR 235) and Special Rela y Area 1 (SR 236 to SR 255) are continuous in memor y , an d any range of words within th ese area s can be transferred in a s ingle ope ration. Th e same is tru e for Special Relay Area 2 ( SR 256 to SR 299) a nd Inte rn [...]

186 Selectin g Commun ications Instru ctions Section 6-2 Note 1. SR 25 3 to SR 2 55 cannot be wr itten at the sourc e node, ev e n if they are specifi ed by the RECV instr uction’ s beginni ng receive word at the sourc e node. 2. F or detai ls on extended DM Area, refer to the operation ma nual for the PL C model tha t is be ing used . 6-2 Select[...]

187 Selectin g Communicati ons Instru ctions Section 6-2 6-2-1 Message Service Oper ations Note 1. CMND ca nnot be us ed with C200HX/HG /HE PLC s. 2. If a comp uter is receivin g com mands, a pro gram is requi red at the comput- er for sending back res ponses. Instruc- tion Sour ce node Des tination n ode Communic a- tions con- tents Data length Br[...]

188 Selectin g Commun ications Instru ctions Section 6-2 6-2-2 Message Service Specificati ons Item Specific ations T ransmissio n f orm at C200HX/HG/HE PLCs 1:1 SEND or RECV 1:N SEND (broadcast) CS/CJ-serie s, CVM1,CV -ser ies, o r CQM1H-ser ies PLCs 1:1 SEND , RECV , or CMND 1:N SEND or CMND; (broadcast) P ac k et length SEND: 990 words (1,980 b [...]

189 Using the Message Service Section 6-3 6-3 Using the Message Ser vice With SEND , RECV , and CMND , the Networ k Instr uction Ena bled Flag and Network Instruct ion Error Flag are generally wr itten into the pr ogram as input conditi ons, as shown be low . Only one instr ucti on can be e x ecuted a t a time for any given communi cations por t. E[...]

190 Using the Message Service Section 6-3 C200HX/HG/HE PLCs CVM1, an d CV -s eries PLCs CQM 1H- seri es PL C s Networ k Status The n odes on the n etwork a re shown in the following il lustratio ns. C200HX/HG/HE PLCs CS/CJ-ser ies, CVM1, and CV -ser ies PLCs CQM 1H- seri es PL C s Name Operating level A ddress Co ntents Netw ork I nstruct ion Enab [...]

191 Using the Message Service Section 6-3 SEND/RECV Flag Operations • The Networ k Ins truc tion Ena bled Flag tur ns OFF du ring transmis sion or reception, and ON after the data transm ission or reception ha s been c om- pleted ( regardles s of whethe r an error occurs ). • The Network Ins truc tion Err or Flag retains its status until the ne[...]

192 Using the Message Service Section 6-3 C200HX/HG/HE and CQM 1H- seri es PL C Response Codes The result s of ex ec uting SEND and RECV in stru ctions ar e reflect ed as shown in the f ollowing ta ble. CS/CJ-ser ies, CVM1, and CV -series Response Codes The result s of ex ecuti ng SEND , RECV , and CMND instr ucti ons are refle cted as one wor d (t[...]

193 Using the Message Service Section 6-3 Sim ultaneous Execution of Comm unications Instructio ns C200HX/HG/HE PLCs CS/CJ-series, CVM1, and CV -series PLCs Operating le vel #0 Operating le vel #1 Instruction 1 Instruction 2 Instruction 3 Instruction 4 Instruction 5 Instruction 6 Instruction 7 Instruction 8 Controller Link Unit CPU Unit Po r t Cont[...]

194 Using the Message Service Section 6-3 PLC Program ming Examples CS/CJ-ser ies PLCs DIFU(13) 120001 120000 A20207 @MO V(21) #000A D00000 120000 R S KEEP 120000 000000 A20207 120002 120001 @MO V(21) #0002 D00001 @MO V(21) #0400 D00002 121000 120000 A21907 Control Data Preparation T urns ON to indicate transmission error . W ord Content Meaning D0[...]

195 Using the Message Service Section 6-3 Note 1. With CS/ CJ-ser ies PL Cs, the Network Ins truc tion Ena bled Flag in A20200 to A20207 co rresp onding to com municat ions por ts will be OFF ev en when PMCR (PRO T OCOL MACR O) is b eing ex ecuted. 2. When using the sample program, make sure that the bits and words u sed in the s ample p rogram are[...]

196 Using the Message Service Section 6-3 C200HX/HG/HE PLCs DIFU(13) 31001 31000 25204 @XFER(70) #0010 000 DM 0010 @MO V(21) #000A DM 0000 31000 R S KEEP(11) 31000 00000 25204 31002 31001 @MO V(21) #9500 DM 0001 @MO V(21) #0003 DM 0002 @SEND(90) DM 0010 DM 0020 DM 0000 00200 31000 25203 Control Data Preparation T urns ON to indicate transmission er[...]

197 Using the Message Service Section 6-3 Note When usi ng the sam ple program, make sure that the bits and words used in the samp le program are no t the same as those i n the user pr ogram or by Spe- cial I/O Un its. @XFER(70) #0016 LR 10 DM 0030 R S KEEP(11) 31002 00001 25204 31000 31003 @MO V(21) #0010 DM 0003 31002 @MO V(21) #9500 DM 0004 @MO [...]

198 Using the Message Service Section 6-3 CVM1 and CV -serie s PLCs Note When usi ng the sam ple program, make sure that the bi ts and words used in the samp le program a re not th e same as those i n the u ser program o r Special I/O Units. (011) I0000 00 A502 07 1200 02H 1200 01H 1210 00H (030) (030) (030) (030) (030) (040) (192) (013) 1200 00 A5[...]

199 FINS Commands an d Responses Section 6-4 6-4 FINS Commands an d Responses 6-4-1 FINS Comm u nications Se rvice The FI NS communi catio ns ser vice is a com municat ions protocol dev e loped by OMRON f or F A control devices. It can be used for reading from and wri ting to PLC mem or y , or for cont roll ing vario us ope rations, wit hou t havin[...]

200 FINS Comman ds and Responses Section 6-4 Command Codes The com mand co de consists of two bytes of data, an d indicat es the cont ents of the com man d. A F INS co mma nd must b egin wi th a 2- byte comma nd cod e, and any parame ters must follow the comma nd code. Response Codes T he respo nse code c onsists of two bytes o f data, and indicate[...]

201 Commands and R esponses for Co ntroller Link Units Section 6-5 6-5 Commands a nd Responses for Contr oller Link Units 6-5-1 Command Codes 6-5-2 D A T A LINK ST A R T Star ts the Controller Link Networ k dat a links. Command Block Response Block The D A T A LINK ST ART command can be received for either autom atically or manually set d ata links[...]

202 Commands and R esponses for Con troller Link Units Section 6-5 Response Block The D A T A LINK S TO P command can be received only while the data li nks are active. An error will occur if this com mand is sent at any other ti me. This comm and ca n be recei v ed by any node that i s par tic ipating in the dat a link. 6-5-4 CONTROLLER D A T A RE[...]

203 Commands and R esponses for Co ntroller Link Units Section 6-5 tions Contr oller version number , and the third repr esents the Uni t version num be r . Wired/Optical (response) The connec tion meth od for the Control ler Link Un it (wired o r optica l ri ng). Th e configura tion is as follows: Node Address (respons e): The Con troller Li nk Un[...]

204 Commands and R esponses for Con troller Link Units Section 6-5 Status 2 (re sponse): F o r C200HX/HG/HE, CVM 1, and CV -ser ies Controller Link Unit s, alwa y s set to 00 (Hex). For CS/CJ-ser ies and CQM1H- seri es PLCs, the U nit’ s setting status is retur n ing in the following confi guration. Status 3 (res po nse) : Error in f or mation. T[...]

205 Commands and R esponses for Co ntroller Link Units Section 6-5 Netw ork participation status (response): The f ollowing di agram shows the bits co rres po ndi ng to n ode add resses i n th e Co ntr ol le r Lin k Networ k. Wh en a bit is retur ned as “1, ” it m eans that the corr esponding node is par ticipati ng in the networ k. When CS1 W [...]

206 Commands and R esponses for Con troller Link Units Section 6-5 ON, the networ k par ti cipatio n status of nodes 33 to 62 is retur ned in the upper f our bits of bytes 17 th rough to the lower four bits of byte 32. In other mod els, the areas correspon ding to nodes 33 to 62 are r eser ved for system use. Actual com munications cycle time (resp[...]

207 Commands and R esponses for Co ntroller Link Units Section 6-5 Data link data err or counter (response ): The total number of d ata link dat a reception e rrors oc curr ing at a ll nodes i s retur ne d as a total count from the time the power was tur n ed on. It is expressed, in hexadecimal, as on e byte per node. The c ount can range from 0 to[...]

208 Commands and R esponses for Con troller Link Units Section 6-5 Status flag (res pons e): The overall data link statu s is retur ned in one byte of data, a s shown in the f ollowin g diagram. Data link mode (re sponse): The data li nk mod e dur i ng ope ration is retur ned in one byte of d ata, as follo ws: 01 (Hex): A utomat ic (Equal ity Lay o[...]

209 Commands and R esponses for Co ntroller Link Units Section 6-5 4. Any node which is not act ive in the networ k r eta ins the s tatu s tha t existed immediat ely p rior to the gen eration of th e communic ations e rror . 5. Only t he PLC operati on status a nd PLC error s tatus will be refreshed for nodes tha t are not p ar ti cipating in a d a[...]

210 Commands and R esponses for Con troller Link Units Section 6-5 6-5-10 BRO ADCAST TEST D A T A SEND Broadc asts tes t data to all node s in a specifi ed networ k. Command Block There is no resp onse to this co mmand. The con trol data must be s et as follows when thi s comma nd is issued : Destinati on nod e addres s: FF (He x ) (for broadcasti [...]

211 Commands and R esponses for Co ntroller Link Units Section 6-5 The con figuration of each er ror rec ord is a s follows: Error code, details: Thes e pa rame ter s sho w th e cont ents of er rors . Fo r details, refer to 9-3-2 Error Codes. Date and time: These p arameters show the se conds, mi nutes, hour ( 0 to 23), date, mon th, and year (t he[...]

212 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 6-6 Commands a nd Responses for C200HX/HG/HE and CQM1H-series PLCs 6-6-1 Command Codes 6-6-2 Memory Area Designations The following table giv es the addr esses to use when read ing or wr iting PL C data. Th e Data a rea addr ess c olumn gives the nor mal address es use[...]

213 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 Note The meani ngs of the memo r y area co des for the Expansion DM area are shown in the following table. Only the curr ent b ank (98) or bank 0 ( 90 ) can b e specifi ed for CQM1H-ser ies PLC s. Memor y ar ea size varies dependi ng on the PLC model. For details, refer [...]

214 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 Data Configuration The con figuration o f the variou s types o f data tha t can be read or wr itten is shown below . The numbe r of bytes required f or each type of dat a is also given. Flag or Bit Status ( One Byte) 00: Bit is OFF (0) 01: Bit is ON ( 1) W ord Contents[...]

215 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 Memory Ar eas The following areas can be read. (Re f er to 6-6- 2 Memor y Area Des ignations f or PL C word/bit address design ations) : 6-6-4 MEMOR Y AREA WRITE Wri tes data to the specif ied number of con secutive words s tar t ing from the specifi ed word. All words m[...]

216 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 6-6-5 MUL TIPLE MEMOR Y AREA READ Reads the c ont ents of t he s pec i fie d numbe r o f non -con se cu tive memor y a rea words, star t ing from the speci fied word. Note If there i s an error i n the com mand c ode or an address, no data will be read. Command Block R[...]

217 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 Response Block P arameter s P rogr am no. (command and response): Set to 0000 (He x). Beginning addr ess ( command a nd re sponse): Set an re lative byte address with 0000 000 0 (Hex) as the star ti ng addr es s. The begin nin g word must be an ev e n number . T he addre[...]

218 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 No. of by tes (command and r esponse): The command specif ies the num- ber of b y tes of data to writ e . This mus t be an ev en number of 07C6 (Hex) or smaller ( 199 0 or s mal le r i n de ci ma l). T he numb er of bytes act ual ly wr it ten wi ll be retur ned in the [...]

219 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 Response Block 6-6-10 CONTROLLER D A T A READ Reads the f ollowin g data: • Controller model an d version •A r e a d a t a • PLC stat us Command Block Response Block P arameter s Cont roller model and Contr oller version (response): Both are retur ned in ASCII, wit[...]

220 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 6-6-11 CONTROLLER ST A TUS READ Reads the status of the Controlle r . Command Block Response Block P arameter s Status (response): The operating sta tus of t he PLC as f ollows: 00 (Hex): Stop ( program not bein g ex ec uted) 01 (Hex): Run (program being ex ecuted ) 80[...]

221 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 F AL/F A LS No. (response): The numb er of the highes t pr ior ity F A L/F ALS error is ret ur ned as BCD between 00 and 99 (dec imal) to the s econd byte. The first byte is alwa ys 00 (H e x). If no er ror has o ccurr ed, 0000 (H e x) is returned. Error message (respons[...]

222 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 P arameter s Y ear , month, date, hour , minute, s econd, da y (command): Ea ch spec ified v alue is expressed i n BCD . The rang es f or setti ng t hese i tem s are sho wn in t he f ollo wi ng tab le. Day: As follo ws: 6-6-14 ERROR CLEAR Clears e rrors from t he PLC. [...]

223 Commands and R esponses for C200HX/HG/HE and CQM1H-series PLCs Section 6-6 Command Block Response Block P arameters No. of bit s/flags (command): T he number of bits/flag s to be processe d. Note Multiple bits/fl ags c an be forced set/reset , and the st atus wil l be retain ed un til the forced set/res et is clear ed. Set/Reset specification ([...]

224 Commands and R esponses for C200HX /HG/HE and CQM1H-seri es PLCs Section 6-6 Response Block Note The bits ( flags) in the following me mor y ar eas can b e force-set or force-reset . 6-6-17 MUL TIPLE FORCED ST A TUS READ Reads the f orced st atus of the spec ified range of words or ti mers/coun ters. Command Block Response Block P arameter s M [...]

225 Response Codes Section 6-7 IR, SR, LR, HR, and AR Areas: Timers/Counter s: Status of the Com pletion Fla g will be retu rn ed as f ol- lows: 00 (Hex): No f orced sta tus in eff ect 01 (Hex): F o rced ON or forced OFF 6-7 Response Cod es This secti on desc ribes th e respon se co des retu rned with respons es to FI NS comm ands. Respons e co des[...]

226 Response Codes Section 6-7 6-7-2 Netw ork Rel a y Err ors A network re lay error will occu r wh enever a command cannot reac h the des ti- nation . Th es e e r ro rs can o cc ur for se veral reaso ns: 1 ) Da ta was no t suc ces s- fully pa ssed between two Link Units, 2) Data was not pas sed suc cessfully between a Li nk Uni t an d an othe r U [...]

227 Response Codes Section 6-7 Example 1 In this example, da ta cannot be transferred between Controll er Link Uni ts due to some c ause su ch as a routin g table error. Example 2 In this example, data cann ot be transferred between a Co ntroller L ink Unit an d a CPU Unit. Example 3 In this example, the specified destina tion node or the next rela[...]

228 Response Codes Section 6-7 01: Loc al node err or 01 Loca l node no t part of Network Add to Network. 02 T oken time-out, node ad dress too large Set the lo cal node ’ s node addre ss belo w the max imum node a ddress . 03 Numbe r of tr ansmit re tries e xcee ded Chec k com muni cation s with ECHO BA CK TEST . If the test fail s , ch ec k net[...]

229 Response Codes Section 6-7 05: Ro uting error 01 Destinati on node a ddress is not set in the routi ng tab le . Set the destinat ion no de addres s in the routing t ab le. 02 Routin g tab le isn ’t registe red. Set the source n odes, desti nation nodes , and rela y nodes in the rout ing tab l e . 03 R outi ng t able erro r Set t he ro uti ng [...]

230 Response Codes Section 6-7 20: Re ad not pos sib le 02 The data is pro tected . Execute the instru ction aga in after is suing the PR OGRAM AREA PR O TECT CLEAR command to the PL C . An attemp t wa s made to do wnload a file tha t is be ing uploa ded. Chec k the fil e name an d either i nterrupt ser- vicing or w ait f or se r vicin g to co mple[...]

231 Response Codes Section 6-7 22: N ot executable i n c ur- rent mode 01 The mode i s wrong ( ex ecuting). Check the opera ting mod e. Data l inks are activ e. Chec k the data link status bef ore e x ecution. 02 The mod e is wro ng (inacti v e). Chec k the ope rating m ode . Data l inks are activ e. Chec k the data link status bef ore e x ecution.[...]

232 Response Codes Section 6-7 26: C omma nd e r ror 01 The spec ifi ed ar ea is not pr ot ec ted . This res ponse c ode will be returned if an attem pt is ma de to c lear protec tion on an are a that is not prot ected. The pr ogram are a is not protected , so it isn’t necess ary to clear pr otection. 02 An incorr ect pas s word h as been speci -[...]

233 SECTION 7 Netw ork Inte r connections This section descr ibes the m ethod u sed to co nnect multip le networks thro ugh CS /CJ- series, CVM1 , and C V -series PLCs. The se ction also des cribes r emote prog ramming and monitori ng with P rogramming De vices. 7-1 What is Networ k Interconnection? . . . . . . . . . . . . . . . . . . . . . . . . .[...]

234 What is Netw ork Interconnection? Section 7-1 7-1 What is Network Interconnection? Network interconn ection en ables commands and respo nses for the me ssage service t o be sent and r eceiv ed acro ss m ulti ple netw or ks . The f our netw or ks listed b elow can b e interc onnected t o achiev e this. F A Networ ks • SYSMAC NET Link Networks [...]

235 What is Netw ork Interconnection? Section 7-1 • Although a C2 00HX /HG/HE P LC s up por ts multiple (m aximum o f 2) C om- munication s U nits, it canno t funct ion as a data b r idge or a data and com- munication s pr otocol gatewa y . • A CQM1H-ser ies PLC su ppor ts on ly one Communicati ons Unit. It canno t function as a data br idge o [...]

236 Remote Pr ogramming and Monito ring Section 7-2 7-2 Remote Programming an d Monitoring A remote P LC can be pr ogrammed and mo nitored ac ross a networ k from a Programming Device con nected to a PLC. 7-2-1 Local Netw orks SYSMA C Suppor t Software and CV Suppor t Software A Programming Device connected to a C200HX/HG/H E, CVM1, or CV -seri es [...]

237 Remote Programmin g and Monitoring Section 7-2 CX-Pr ogrammer A CX-Programmer co nnecte d to a CS/CJ-ser ies, C2 00HX/HG/HE, C VM1, CV - ser ies, or CQ M1H CP U Unit can pr ogram and m onitor a CPU U nit on th e same networ k. P rogramming and monitor ing are possi ble , includ ing CPU Units tha t are different to the one to which th e Programm[...]

238 Remote Pr ogramming and Monito ring Section 7-2 CX-Pr ogrammer A CX-Programmer co nnecte d to a CS/CJ-ser ies, C2 00HX/HG/HE, C VM1, CV - series, or CQM1H-se ries CPU Un it can program and monitor any other PLC on an other Contro ller Link Networ k. Other ty pes of PLC, diff erent t o the one to whic h the CX-Pro grammer is conn ected can a lso[...]

239 Routing T ables Section 7-3 CX-Pr ogrammer A CX-Programmer co nnecte d to a CS/CJ-ser ies, C2 00HX/HG/HE, C VM1, CV - series, or CQM1H-se ries CPU Un it can program and monitor any other PLC on a different type of networ k (Et her net, SYS MA C NET , or SY SMAC LINK) throu gh a CS/CJ -seri es, CVM1, or CV -ser ies PL C . Note 1. V ersion 1.20 o[...]

240 Settin g Routing T ables Section 7-4 2. The networ k address is th e addres s of the networ k c onnected t o the Unit (between 1 and 127). The address is se t when the local networ k tab le is crea te d. Relay Network T able A relay network table pr o vides the node and ne tw ork addresses correspond- ing to the ini tia l relay point (firs t po[...]

241 Setting Routi ng T ables Section 7-4 4. When usin g a CVM1 or CV -ser ie s CPU Unit manufactured pr io r to April 1996, be sure to regi ster rou ting tables wh ether or not the PLC is connect- ing multiple ne twork s. The date of producti on can be checked on the lot number as ex plained b elow . (T he lot numbe r is a f our-digit number w ritt[...]

242 Settin g Routing T ables Section 7-4 SIOU Unit No.: Unit number of the Communications Unit (operating lev el for C200HX/HG/HE PLCs; alwa ys 0 f or CQM1H-series Units). (CS /CJ-series, CVM1, or CV - ser ies: 0 to 15, C20 0HX/HG /HE: 0, 1, CQM 1H-ser ies: 0 ) Se t the un it number of all Communicatio ns Units (SYSMAC NET Link Units, SYSMA C Link [...]

243 Setting Routi ng T ables Section 7-4 7-4-5 Connecting to the PLC Connect th e Programming D e vice to a PL C in the net work to transfer the rout- ing tables. All PLCs r eceiving th e routing ta ble settings must ha ve power tur ned ON for the transfer . Note The Programming Device must be di sconnec ted and then r econnec ted to a PLC on eac h[...]

244 Settin g Routing T ables Section 7-4 7-4-8 Example Routing T ab le Settings This sec tion shows examples o f routing table settings. Example 1 The example b elow shows lo cal n etwork table settings when multiple CP U Bus U nits a re mounte d in a single CV M1 or CV -ser ies P LC. Do not regi ster SYSMAC BUS/2 Mas ter Units a nd BASIC Units in [...]

245 Setting Routi ng T ables Section 7-4 Example 3 The networ k str u ct ur e example in the figu re below shows routi ng ta bles f or all nodes. Routing T ables on PL C 1 Routing T ables on PL C 2 Routing T ables on PL C 3 Routing T ables on PL C 4 SNT PLC (1) CLK PLC (2) SNT SNT PLC (3) CLK CLK PLC (4) CLK PLC (5) CLK PLC (6) CLK PLC (7) Unit 5 N[...]

246 Settin g Routing T ables Section 7-4 Routing T ables on PL C 5 Routing T ables on PL C 6 Routing T ables on PL C 7 1 2 010 020 003 1 2 020 01 3 3 030 020 003 Relay Netw ork T able Local Netw ork T able No. End Netwk Relay PC ID Netwk Node No. Loc Netwk SIOU unit# 1 2 010 030 015 1 2 030 05 3 3 020 030 015 Relay Netw ork T able Local Netw ork T [...]

247 SECTION 8 Communications T iming This section explains details on Controller Link Network communicatio ns. Refer to this section for network communications that require accurate commun ications timing. 8-1 Communications Mech anism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 8-1-1 Data T ransmissions ov er the [...]

248 Communic ations Mec hanism Section 8-1 8-1 Communications Mechanism 8-1-1 Data T ransmissions over the Network In a C ontroller Link Ne twork, token pass ing is used to control networ k ac cess. The ri ght to s end , ca ll ed a “t oken, ” circ ula tes arou nd th e ne twork . A nod e that receives the t oken is allowed to send da ta. If th e[...]

249 Communic ations Mec hanism Section 8-1 P olling Node Each Cont roller Link Netwo rk al wa ys has a Unit that c ontrols commun ications within the networ k. This Uni t is c alled th e “poll ing n ode. ” Nor mally , the nod e that has the sm alles t node addre ss in the networ k is the polling no de (see note). Al l Units at nodes ot her than[...]

250 Communic ations Mec hanism Section 8-1 If the node is always to be connected as a polled nod e when the power is tur ned o n, set it as a pol led n ode. If the node can b ecome a polling node when the power is tur ned on, s et it as a polling n ode. One o f the nodes set as a polling node wil l ser ve as the actual polling no de. Except for mai[...]

251 Commun ications Cy cle T ime Section 8-2 8-1-4 Specifying Network P a rame ters The networ k paramet ers can be specifie d from the Cont roller L ink Suppo r t Software. This sectio n desc ri bes only the a llow able settin g range f or each n et- wor k p aram et er . Re fer to the Control ler Link S uppor t Software Operation Manual (W308 ) fo[...]

252 Communic ations Cy cle T ime Section 8-2 E: T otal numb er of bytes i n messag es transm itted du rin g the communicati ons cycle The number of bytes in each messag e differs accordi ng to the instr uctio n being is sued. Calculation Example Comm uni catio ns co ndi ti ons are a s f oll o ws: T ransmiss ion m edium: T wiste d-pair cable Baud ra[...]

253 Data Link I/O Response T ime Section 8-3 The number of bytes in each messag e differs accordi ng to the instr uctio n being is sued. Calculation Example Comm uni catio ns co nditi ons are a s f oll o ws: T ransmiss ion m edium: T wis ted-pai r cables Baud rate: 2 Mbps Network parameters: Defaults Max n ode addre ss: 32 P o lled node s per comm [...]

254 Data Link I/O Respo nse T ime Section 8-3 CVM1 and CV -se ries PLCs Under Asynchr onous Operati on When a CV M1 or CV -s erie s CPU Unit is o perating in asy nchrono us mode, data exchange with the Controller Link Unit is ex ecute d as interr upt process- ing dur ing per ipheral proc essing, rega rdless of the cycle tim e of PLC instr uc- tion [...]

255 Data Link I/O Response T ime Section 8-3 Note 1. Use the above equations only if onl y one Controller Link Unit is mo unted on the P LC . If other CPU Bus Un its are moun ted on the PLC , obtain the refresh ti mes for each CP U Bus Unit and add to the above equations. 2. The ex ecution o f some i tems takes prec edence over data li nk area refr[...]

256 Data Link I/O Respo nse T ime Section 8-3 CVM1, CV -series, CS/CJ-se ries PLCs Under Synchr onous Operation or C200HX/HG/ HE and CQM1H-series PL Cs Maxim um I/O Response Time The max imum data li nk I/O res ponse time is calcul ated for f our cas es. Case 1 The f ollowin g diagram illustrates the dat a flow that will produce the ma ximum data l[...]

257 Data Link I/O Response T ime Section 8-3 The equa tion for maximum d ata link I/O respons e tim e is as follows: Note If the total number of data link words is grea ter than the maximum number of words that ca n be e xc hanged per data exchange, the maximum data link I/O response time wi ll be cy cle time of PLC at n ode #7 × 4. In case of the[...]

258 Data Link I/O Respo nse T ime Section 8-3 There are thr ee points s hown in the diagram above where processi ng is delay ed, increasi ng the data li nk I/O respon se tim e. 1,2,3. .. 1. The inpu t arrives in the PL C just after I/O refresh ing, caus ing a delay of up to one cy cle before the inpu t is rea d into t he PLC. 2. Data exchange o ccu[...]

259 Data Link I/O Response T ime Section 8-3 mum nu mber of wo rds (1,200 wo rds) per t im e. F or example, if the total number of da ta link words is 5,000, the re sult will be as shown bel ow . 5,000/1,200 = 2.5 (approx. 3) Cycle time of PLC a t node #7 × (2+3) The PLC cy cle time wh en data lin k words exceed 12,000 u sing a CS/C J- ser ies Con[...]

260 Data Link I/O Respo nse T ime Section 8-3 3. At node #7 , data from the pr evious data exchange is stil l being trans f erred , causin g a del a y of up to one cy cle before the in put is r ead in to the PLC. 4. The data tran sferred in data link processi ng arr ives at the PLC at n ode #7 after data exchange, so the data will no t be read in t[...]

261 Data Link I/O Response T ime Section 8-3 Case 4 The f ollowin g diagram illustrates the dat a flow that will produce the ma ximum data link I/O response ti me when the cycl e time of the PLC a t node #1 < the communica tions cycle t ime a nd the c ycle t ime of th e PLC at no de #7 < the communica tio ns cyc le tim e. There are thr ee poi[...]

262 Data Link I/O Respo nse T ime Section 8-3 The equa tion for maximum d ata link I/O respons e tim e is as follows: Note If the total number of data link words is grea ter than the maximum number of words that ca n be e xc hanged per data exchange, the maximum data link I/O response time wi ll be cy cle time of PLC at node #7 × 3. In case of the[...]

263 Data Link I/O Response T ime Section 8-3 The equa tion for minimum da ta link I /O resp onse time is as follows: Note If the total number of data link words is grea ter than the maximum number of words that ca n be e xc hanged per data exchange, the maximum data link I/O response time wi ll be cy cle time of PLC at n ode #7 × 3. In case of the[...]

264 Data Link I/O Respo nse T ime Section 8-3 2. Data exchange o ccurs just aft er the PLC at n ode #1 passes the token that makes it the polling node, causing a delay of up to one co mmunica tions cy- cle time before the data is transferred in data link proces sing. 3. At node #7 , data from the pr evious data exchange is stil l being trans f erre[...]

265 Message Delay T imes Section 8-4 In this case, the data pro cessing t ime r equired for data e xchang e and the data transmissi on time a re no t negligi ble and need to be i ncluded in the calcul a- tion. Eac h time c an be de ter mined as follows . Data Processing Time (see pag e 254.) 0.0025 × (8 + 16) × 8 + 4.7 = 5.1 8 ≅ 5.2 ms Data T r[...]

266 Message Delay T imes Section 8-4 Note Be sure to take into accou nt the time r equir ed for data links and program ex e- cutio n, which a re not in clude d in the following example. Max. t ransmissio n delay = Link Unit ser v icin g inter val (sour ce node) + Link ser vic e proce ssing (sou rce node) + T rans mission pr ocessi ng + Communica- t[...]

267 Message Delay T imes Section 8-4 Receptio n Processing Numb er o f w ords tr ansf erred × 0.00075 + 1.3 ms Note The I/O re sponse time ca n increa se due t o noise or restr ic tions o n the number of frames th at can be transmitted whi le dat a links ar e operating . Examp le In this example, the maximum transmi ssion delay is calcul ated for [...]

268 Message Delay T imes Section 8-4 Max. transmi ssion delay = Link ser vic ing int er val (source node) + Link se r vice processi ng (sou rce node) + T ransmi ssion p rocessin g (comma nd) + Com muni- catio ns cycle + T ransmis sion delay (comma nd) + Rec eption pro cessi ng (com- mand) + L ink ser v icing in ter val (destin ation no de) + L ink [...]

269 Message Delay T imes Section 8-4 Receptio n Processing Commands : 1.3 ms Response s: Number of words transferred × 0 .00075 ms + 2 ms The I/O re sponse time ca n increa se due t o noise or restr ic tions o n the number of frames th at can be transmitted whi le the data link is operating . Examp le In this example, the maximum transmi ssion del[...]

270 Message Delay T imes Section 8-4 8-4-2 C200HX/HG/HE a nd CQM1H-series PLCs SEND(90) The following diagram indic ates the data flow whic h will yiel d the maximum delay time from the time SEND(90) is e x ecuted by the user program to the time the Co ntroller L ink Unit store s the data in the destination U nit’ s memor y . Max. t ransmissio n [...]

271 Message Delay T imes Section 8-4 Examp le In this example, the maximum transmi ssion delay is calcul ated for an inst ruc- tion sen ding 256 words of d ata in a system with 3 2 nodes. Netwo rk sp ecifics are detai led below: Baud rate: 2 M bps Max. node number : 32 Number of nodes: 32 Number of polled no des: 4 Number of words: 256 Data link : [...]

272 Message Delay T imes Section 8-4 inter val (destinat ion node) + T ransmiss ion proc essing ( response) + Communi- catio ns cycle + T ransmi ssion delay (response) + Recep tion p rocessin g (respons e) + Link Unit ser v icing i nter val (sourc e node). Link Servicing Interval (Sour ce and Destination Nodes) Link se rvic e processin g is the sam[...]

273 Message Delay T imes Section 8-4 Note This com munications c ycle time i s calcula ted assum ing that the re is no nod e that tr ans mits e v ent fr ames be f ore the S END co mmand is e xe cute d. Link Uni t servicing ( source no de) × 2 PLC cycle ti me (so urce node ) × 2 T ransmi ssion p roc es sin g (com mand ) 3 ms Comm unicat ions c ycl[...]

274 Message Delay T imes Section 8-4[...]

275 SECTION 9 T roubleshooting and Mainte n a nc e This section provides information on troubleshooting errors that occur during Co ntroller Link Unit operation, as well as daily inspection, cleaning, and other maintena nce procedures . 9-1 T roublesho oting Using Indi cators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 9[...]

276 T roubleshooting Using Indicators Section 9-1 9-1 T ro ub lesh ooti ng U sin g In dica tor s This sec tion descr ibes the errors indi cated by the Controller Link Unit indica- tors and possible r emedie s. 9-1-1 CS/CJ-series Contr oller Link Units T roub leshooting with R UN, ER C, ERH and INS Indicator s The R UN, ERC, ERH, and INS indicato rs[...]

277 T roubleshooting Using Indicators Section 9-1 Not l it Not l it Not l it Not lit P ower is not being sup- plied c orrectly t o the PLC . Check the po w er suppl y v oltage and supp ly at t he recomm end ed v oltage. The Co ntroller Li nk Unit has becom e loos e . Secure the Con troller Lin k Unit fir m ly . The Co ntroller Li nk Unit is mounted[...]

278 T roubleshooting Using Indicators Section 9-1 Lit --- --- Not l it T erminating resis tance is not set c orrectly . (Wired Unit) T ur n ON the terminating resista nce at the nodes at both end s of th e Netw ork and turn it OFF at all oth er nodes . Cab les are not co nnecte d correctly . Check the cab le connec- tions ar e reconnec t cor- rectl[...]

279 T roubleshooting Using Indicators Section 9-1 T roub leshooting with LNK and M/A Indicators Data Link Cannot be Star ted The following table descr i bes the LNK and M/A indi cators a t the st ar tup node and their use in t roubleshooting w hen a da ta link can not be star ted. Star ting a data link depe nds on t he Control ler Link Uni t operat[...]

280 T roubleshooting Using Indicators Section 9-1 Node Cannot P articipate in Data Link T he follo wing table des cribes the LNK an d M/A in dicators wh en a nod e can- not par ticipate in t he data li nks. Data link p ar ticipation d epen ds on th e Co ntr ol ler Li nk Uni t o perating nor mal ly and par ticipating in the Network . Refer to T roub[...]

281 T roubleshooting Using Indicators Section 9-1 Configuring a Networ k with 33 Nodes or More Pro blem Status Cause and rem edy The node is no t present in t he net- wor k. (ERC indicator: ON R UN indicator: OFF INS indicator: OFF) The ERC in dicat or is ON in the CS1W - CLK21-V1 or CJ 1W - CLK21-V1, an d a node ad dres s hi ghe r than 32 is set. [...]

282 T roubleshooting Using Indicators Section 9-1 The data link status is sho wing statuses of 32 nod es on ly . The data link status stor age area is set to def ault settin gs, and the data link s tatus stor ag e f or mat sp ec i- ficatio n in the DM P ara meters Area is set to th e 8-bit for - mat. The def ault area f or storing data li nk status[...]

283 T roubleshooting Using Indicators Section 9-1 Configuring a Networ k with 32 Nodes or Less 9-1-2 C200HX/HG/HE and CQM1H-series Contr o ller Link Units T roub leshooting with R UN, ER C, ERH and INS Indicator s The R UN, ERC, ERH, and INS indicato rs ca n be used to c heck whether Con- troller L ink Unit s tar tup and Networ k par ti cipatio n a[...]

284 T roubleshooting Using Indicators Section 9-1 Not l it Not l it Not l it Not lit P ower is not being sup- plied c orrectly t o the PLC . Check the po w er suppl y v oltage and supp ly at t he recomm end ed v oltage. The Co ntroller Li nk Unit has becom e loos e . Secure the Con troller Lin k Unit fir m ly . The Bus C onnecti on Unit has becom e[...]

285 T roubleshooting Using Indicators Section 9-1 T roub leshooting with LNK and M/A Indicators Data Link Cannot be Star ted The following table descr i bes the LNK and M/A indi cators a t the st ar tup node and their use in t roubleshooting w hen a da ta link can not be star ted. Star ting a data link depe nds on t he Control ler Link Uni t operat[...]

286 T roubleshooting Using Indicators Section 9-1 Node Cannot P articipate in Data Link T he follo wing table des cribes the LNK an d M/A in dicators wh en a nod e can- not par ticipate in t he data li nks. Data link p ar ticipation d epen ds on th e Co ntr ol ler Li nk Uni t o perating nor mal ly and par ticipating in the Network . Refer to T roub[...]

287 T roubleshooting Using Indicators Section 9-1 Data Link Cannot be Stopped Stopping the data li nk de pen ds on t he Contr ol ler L in k U nit ope ratin g no r mal ly and par ticipating in the Network. Read the above e xplanat ions before attempting to stop op eration. Note Stop th e data link from the no de at whi ch the LNK i ndicator is lit ([...]

288 T roubleshooting Using Indicators Section 9-1 • Setting hard w a re s witch es . Indicator s Probable cause Probab le remed y RUN ERC ERH INS Lit Not l it Not lit Lit Unit oper ating normally; Netw or k par ticipa tion n or - mal. --- Not lit Lit --- --- Controller Link Unit f a ulty . If the ERC indicato rs still lights wh en the Unit is mou[...]

289 T roubleshooting Using Indicators Section 9-1 Indicator s Probable cause Probab le remed y RUN ERC ERH INS Lit --- --- Not l it T erminating resis tance is not set c orrectly . T urn ON the terminatin g resista nce at the nodes at both end s of th e Netw ork and turn it OFF at all oth er nodes . Cab les are not co nnecte d correctly . Check the[...]

290 T roubleshooting Using Indicators Section 9-1 T roub leshooting with LNK and M/A Indicators Data Link Cannot be Star ted The following table descr i bes the LNK and M/A indi cators a t the st ar tup node and their use in t roubleshooting w hen a da ta link can not be star ted. Star ting a data link depe nds on t he Control ler Link Uni t operat[...]

291 T roubleshooting Using Indicators Section 9-1 Node Cannot P articipate in Data Link T he follo wing table des cribes the LNK an d M/A in dicators wh en a nod e can- not par ticipate in t he data li nks. Data link p ar ticipation d epen ds on th e Co ntr ol ler Li nk Uni t o perating nor mal ly and par ticipating in the Network . Refer to T roub[...]

292 Status Area and T roubleshooting Section 9-2 T roub leshooti ng with the PWR Indicator T roub leshooti ng with the T/R1 an d T/R2 Indic ator s 9-2 Status Area and T roub leshootin g The sta tus of the Unit and the communi cations status o f the Cont roller Li nk Unit is recorded in the Status Area of th e PLC. The ca use of e rrors can b e f ou[...]

293 Status Area and T roubleshooting Section 9-2 9-2-1 CS/CJ-series Contr oller Link Units The stat us of the Unit and N etwor k i s indica ted in th e following manner i n the PLC. Stat us Area Error Informati on: CIO 1500 + 25 x (Unit No.) P olling Node Addres s, Star tup No de Address: C IO 1500 + 25 x (Unit No .) + 1 Network Particip ation Stat[...]

294 Status Area and T roubleshooting Section 9-2 Note Data link status is v alid onl y when th e loca l node is p ar ti cipating in the data link. Co nfirm th at the Local Data Link Ac tiv e Bit is O N before ref erencin g the data link status. The statuses of bits 12 to 14 are reflected only when usin g a CS1W -CLK21- V1 or CJ 1W - CLK21- V1. Data[...]

295 Status Area and T roubleshooting Section 9-2 4-Bit Format S pecified The data link stat us ca n be ref lected in 4- bit form at only when usin g a CS 1W - CLK21-V1 or CJ1W -CLK21 -V1. It is reflec ted in 8-b it f or mat with other mod- els. When the fir st data link status word is se t to the default (0000) for either the manually s et data lin[...]

296 Status Area and T roubleshooting Section 9-2 Commu nicat ions error is 1: ON The rele vant node is not in the Netw ork. Enter the node in the Net- wor k. A commu nications error has occ urred a s a resul t of noise . Cond uct an ec hoback tes t using th e Contro ller Link Support Software and if this does not co rrec t the error , chec k the u [...]

297 Status Area and T roubleshooting Section 9-2 Other St atus Bit status Probab le cause Probabl e remed y Error log e xists (CIO 1500 + 25 × n, bit 15 ) is 1: ON E rror infor mat io n o n th e Control ler Link Unit (an error l og) has be en recor ded. Usin g th e C ontr oll er Li nk Support Software or a n FINS comm an d, read the cause o f the [...]

298 Status Area and T roubleshooting Section 9-2 T ermina tin g Resist ance St at us: CIO 1500 + 25 × (Unit No.) + 24 Data link tabl e error (CIO 1500 + 25 × n, bi t 1) is 1: ON The data link table data i n the CS/CJ CPU Bus Unit Area is d amaged. Ref er to 5-3 Sta r ting and Stopping D ata Lin ks an d reset the data l ink tab les correctly . If [...]

299 Status Area and T roubleshooting Section 9-2 9-2-2 C200HX/HG/ HE Contr oller Li nk Units The stat us of the Unit and N etwor k i s indica ted in th e following manner i n the PLC. Stat us Area Dupl ic ate Op er at ing Le vel s/Re fre sh E rr or: A R 00 Routing T able Error/Unit Restart Bits: AR 01 Network P art icipatio n Status: AR 08, AR 09, [...]

300 Status Area and T roubleshooting Section 9-2 P olling Node Address, Startup Node Address: SR 238, SR 242 Data Link Status: SR 239 to SR 241, SR 243 to SR 245 When the data link statu s stored in the star t word f o r the manual se tting data link table or a utomatic setting d ata link parameters i s not se t or is set to 0, the data link status[...]

301 Status Area and T roubleshooting Section 9-2 Data Link Status: Fir st Data Link Status W ord + 0 to + 15 Note Ref e r to 5-4 Ch ecking Data Link St atus for details on status flags. T roub leshooting with Status Flags Data Link Status Node 2 Node 4 Node 6 Node 8 Node 10 Node 12 Node 14 Node 16 Node 18 Node 20 Node 22 Node 24 Node 26 Node 28 Nod[...]

302 Status Area and T roubleshooting Section 9-2 Data l ink participation i s 0: OFF The rele vant n ode is no t part of data links . Enter the rele vant node in data lin ks . If an error occurs , ref er to p age 280 Node Cann ot Participat e in Data Link and tr oubleshoo t accordi ngly . There are no activ e data links in the Ne tw ork. Activ ate [...]

303 Status Area and T roubleshooting Section 9-2 Other St atus Bit status Probab le cause Probabl e remed y Dupl icate Operat ing Lev- els /Ref resh Err or : Opera ting l ev el 0: AR0011 Opera ting l ev el 1: AR0010 One of the abov e flags is 1: ON The sa me oper ating le vel is set tw ice within the sa me PLC . If two units are required, set them [...]

304 Status Area and T roubleshooting Section 9-2 9-2-3 CVM1 and CV -series Contr o ller Link Units The stat us of the Unit and N etwor k i s indica ted in th e following manner i n the PLC. Stat us Area Error Information: CIO 1500 + 25 × (Unit No.) P olling Node Addres s, Star tup No de Address: C IO 1500 + 25 × (Unit No.) + 1 Network Particip at[...]

305 Status Area and T roubleshooting Section 9-2 Data Link Status: CI O 1500 + 25 × (Unit No.) + 7 to + 22 When the fir st data link status word is se t to the default (0000) for either the manually s et data link ta bles or automati cally s et data link ta bles (In the first data lin k status word parameter), the data link s tatus is sto red in t[...]

306 Status Area and T roubleshooting Section 9-2 Commu nicat ions error is 1: ON The rele vant node is not in the Netw ork. Enter the node in the Net- wor k. A commu nications error has occ urred a s a resul t of noise . Cond uct an ec hoback tes t using th e Contro ller Link Support Software and if this does not co rrec t the error , chec k the u [...]

307 Status Area and T roubleshooting Section 9-2 Other St atus Bit status Probab le cause Probabl e remed y Error log e xists (CIO 1500 + 25 × n, bit 15 ) is 1: ON E rror infor mat io n o n th e Control ler Link Unit (an error l og) has be en recor ded. Usin g th e C ontr oll er Li nk Support Software or a n FINS comm an d, read the cause o f the [...]

308 Status Area and T roubleshooting Section 9-2 9-2-4 CQM1H-series Contr oller Link Units Stat us Area Error Information: IR 190 Data link tabl e error (CIO 1500 + 25 × n, bi t 1) is 1: ON The data link table data i n the EEPR OM of th e CPU Unit i s damage d. Ref er to 5-3 Sta r ting and Stopping D ata Lin ks an d reset the data l ink tab les co[...]

309 Status Area and T roubleshooting Section 9-2 P olling Node Address, Startup Node Address: IR 191 Network Participat ion Status: IR 192 and IR 193 Local Data Link P articipation Status: IR 90 Note Data link status is v alid onl y when th e loca l node is p ar ti cipating in the data link. Co nfirm th at the Local Data Link Ac tiv e Bit is O N be[...]

310 Status Area and T roubleshooting Section 9-2 Bit Status and Error P rocessi ng Data Link Status Bit status Probab le cause Probabl e remed y PLC’ s CPU Unit error is 1: ON A f atal PL C error , non-f atal PLC error , or a watc hd og timer error ha s occurred. Ref e r to the PLC’ s opera - tion ma nual and corre ct the error . If th e error [...]

311 Status Area and T roubleshooting Section 9-2 Other St atus Receiv e area insuffic ient (short) is 1: ON The se nd ar ea at t he rel e- v ant node is larg er than the receiv e area and som e data can not be receiv ed. When the intention is n ot to receiv e all data, us e as is (data that canno t be receiv ed will be read and discard ed.) When it[...]

312 Status Area and T roubleshooting Section 9-2 T ermina tin g Resist ance St atu s: IR 95 Routin g tab le error (IR 190 02) is 1: ON The routi ng tab le dat a within the CPU Unit’ s EEPR OM is damage d. Ref er to 7-4 Set ting Rou t- ing T ables and reset th e routing ta b les correctl y . If the error o ccurs again , replace the Cont roller Lin[...]

313 Error Log Section 9-3 9-3 Err or Log The err or log r ecords errors t hat oc cur in the Contr oller L ink Unit and the time they occur . The err or log c an be rea d or clea red by using Programming Devices, such as the Controll er Link Suppor t Software, the CX-Net, or Sup- por t S oftware f or the CP U Unit (SYS MA C Suppo r t Software), or b[...]

314 Error Log Section 9-3 Time Inf ormation The time is reco rded in BCD with one byte each for the y ear (the rightm ost two digits), month, day , h our , seconds, and m inutes of the time the er ror occurr ed. Note 1. The PLC ’ s time infor mation can be r ead an d used i n the Cont roller Li nk Unit. When the time cann ot be read from th e PLC[...]

315 Error Log Section 9-3 000E He x I/O B us error 00 He x 00 He x Che ck the ope rating env ironment . Ye s C S / C J 000F He x PLC ini tializat ion erro r Chec k the operatin g env ironment . Ye s C S / C J 0010 He x PLC Setu p e xceeds capacity Reduce the n umber of CPU Bus Units mounted on each CPU Unit by one. Ye s C S / C J 0011 He x PLC ini [...]

316 Error Log Section 9-3 0101 He x T ransmis sion f ailed; loc al node not in Ne tw ork Comm and bl ock Bits 0 to 7: Source no de addres s Bits 8 to 14: Source Networ k address Bit 15: OFF Response b loc k Bits 0 to 7: Desti nation nod e address Bits 8 to 14: Destinati on Netw ork address Bit 15: ON (1st b yte: bits 8 to 15; 2nd b yte , bits 0 to [...]

317 Error Log Section 9-3 0109 He x T ransmis sion f ailed; des tination bus y Co mmand block Bits 0 to 7: Source no de addres s Bits 8 to 14: Source Net work address Bit 15: OFF Response b loc k Bits 0 to 7: Desti nation nod e address Bits 8 to 14: Destinati on Netw ork address Bit 15: ON (1st b yte: bits 8 to 15; 2nd b yte , bits 0 to 7) Incr eas[...]

318 Error Log Section 9-3 0117 He x Internal b uff er full Co mmand block Bits 0 to 7: Source no de addres s Bits 8 to 14: Source Net work address Bit 15: OFF Response b loc k Bits 0 to 7: Desti nation nod e address Bits 8 to 14: Destinati on Netw ork address Bit 15: ON (1st b yte: bits 8 to 15; 2nd b yte , bits 0 to 7) Incr ease num ber of retries[...]

319 Error Log Section 9-3 Note 1. Applic able PLCs: CV = CVM1 and C V -ser ies PLCs, CS/CJ = CS-ser ies and CJ-ser ies PLCs, All = All mo dels of P LC. 2. Errors indicated by error codes 0101 to 0 116 ar e recor ded only wh en the frame was disc arded b ecause tra nsmissio n was impos sible. 3. Error cod e 0230 hex is only reco rded f or Controller[...]

320 T roubleshooting Error Messages in CX-Net Data Link T able Check Section 9-4 Error St at us The status of each bit i ndicates that an e rror has occu rred as gi v en in th e dia- gra m b el ow . 9-3-3 Reading and Clearing Err or Logs Error lo gs can be read or cleared using the Contr oller Li nk Suppor t Software, the CX-Pr ogrammer , PLC Progr[...]

321 T roubleshooting Error Messages in CX -Net Data Link T able Check Section 9-4 Example Display of Error List Note (1) If any errors (e xcept f or war nings) are dete cted duri ng the table check performed when transferring data li nk tables, the data link tables will not be transferred ev en if the OK Button is clicked. Remov e the caus e of the[...]

322 T roubleshooting Error Messages in CX-Net Data Link T able Check Section 9-4 The XX sym bol refers to the corresp onding node add ress. The two aster isks (** ) refer to the correspo nding ar ea type, addr ess, and number of word s. Node XX Dest Ov er- flow W ar ning: Overfl ow occur red The num ber of rece ive words a t the dest inat ion no de[...]

323 Cleaning and Inspection Section 9-5 9-5 Cleaning and Inspection This sect ion des cr i bes c leanin g and inspe ction pr o cedur es that a re to be per - f or med as daily m ainten ance. 9-5-1 Cleaning Conduct th e follo wing per iod ic cleani ng to keep the C ontrol ler Link Unit in optimum con dition . • Wipe the Unit with a dr y , soft clo[...]

324 Handling Pre cautions Section 9-6 9-6 Handling Precautions The Control ler Link Uni t is a Net work device. If the Unit is damaged, it wi ll effect the entire Network , so always ensure repairs a re under taken immedi- ately . We recommen d that you have a spare Co ntroller L ink Unit on hand so that repa irs ma y be conducted quickly . 9-6-1 R[...]

325 Handling Pre cautions Section 9-6 Relay T er mina l Blocks (CJ1 W -TB101) can be used on any nod e but the end node s to enable repla cing th e Contro ller Lin k Unit wit h the com muni- catio ns cable conne cted an d tur n OFF the power to only the Unit bei ng re- placed. Refer to Appendix C Using the Re lay T er minal Block for details. 3. Wh[...]

326 Handling Pre cautions Section 9-6 CVM1 and CV -serie s Controller Link Units CQM1H-series Contro ller Link Units 2. T ur n the power off once, connect the Contr oller Link Network an d tur n the power on again. Check that the Unit i s par ticipating in th e Network . If the INS indi cator is lit and t he ERC and ERH i ndicator s are off, then t[...]

327 Handling Pre cautions Section 9-6 Using the above procedure to reset the networ k parameters of the node that was replaced t o the same as the other nod es in the Network . !Caution When a C200HX/H G/HE or CQ M1H-se ries Con troller Link Unit has bee n replaced o r a CPU Un it has been r eplaced for a CS/CJ-ser ies, CVM1 , or CV - ser ies Contr[...]

328 Handling Pre cautions Section 9-6 2. Detach the com municat ions ca bles and the Bus Co nnection Unit a ttached to the C ontroller Link Unit to be repl aced and remove the Unit. 3. Mount th e new Controll er Lin k Unit i n the PLC a nd c onn ect the c om muni- cations cables and th e Bus Conn ectio n Unit. (Ref er to S ECTION 3. ) 4. Set the no[...]

329 Handling Pre cautions Section 9-6 previous status. If , howe ver , the CPU Unit is repla ced, the data l ink tables and routing tables will need t o be res et. 1,2,3. .. 1. T ur n off all nodes in the C ontrol le r Lin k Networ k. 2. Detach th e c om municati on s ca bles at tached to th e Co ntr ol ler Li nk Uni t t o be repla ced and r emov e[...]

330 Handling Pre cautions Section 9-6[...]

331 SECTION 10 Adding Nodes and Editin g Ac tiv e Data Link T ables This section descr ibes the meth ods used to per form function s without tur ning OFF the PLC power to the existing network, such as adding no des to the Con troller L ink Netw ork and changing data link tables while the data links a re activ e. 10-1 Adding Nodes Using a Repeater U[...]

332 Adding Nodes Using a Repeater Unit Section 10- 1 10-1 Adding N odes Using a Repeate r Unit 10-1-1 Overvie w The CS1 W -RPT01 Re peater Un it ca n be use d to add ne w nodes t o the net- work witho ut tur nin g OFF the power to th e e xistin g networ k. Example of Ad ding Nodes Usi ng a T -branch Lin e Example of Ad ding Nodes wi th a Repeater U[...]

333 Adding Nodes Using a Repeater Unit Section 10-1 10-1-2 Procedure f or Adding Nodes 10-1-3 Precautions when Connecting Nodes Using a Repeater Uni t When dat a links are a ctive in the e xisting network , ch eck the following items before adding node s to the network. If th e inapp ropr iate data l ink tables or parameter s are se t, the syst em [...]

334 Adding Nodes Using a Repeater Unit Section 10- 1 • If automat ic setti ngs ar e used, make sure that the ap propri ate DM Area parameter s hav e been set. Check that the new data transm ission tha t will be perform ed due to the new nodes has been con sidere d in the us er program for the existing networ k before adding the node s. If the lad[...]

335 Adding Nodes Using a Repeater Unit Section 10-1 Before connec tin g the new nod es to t he existing n etwo r k, al ways set th e pol l- ing/po lled node settin g to Po l l e d . If the no des are con nected to th e existing network with this s etting set to Polling , the correspon ding node may become the poll ing node for the networ k, whic h [...]

336 Changing the Data Link T ables with Active Data Links S ection 10-2 10-2 Cha nging the Data L ink T ables with Active Data Links 10-2-1 Overvie w The data link tables c an be cha nge d and da ta link ta bles can be allocat ed for newly added n odes while the system ’ s data links are act ive if the f ollowing Controll er Link Uni ts and Suppo[...]

337 Changing th e Data Link T ables with Activ e D ata Links Section 10-2 Data link communicati ons will continue, so the Co mmunicatio ns Error Flag for the data li nk statu s will n ot tur n ON in any of the nodes in the networ k. Ref e r to 10-2-4 Timing Requ ired to Chang e Data Link T abl es with Active Data Links (The oretica l) for details o[...]

338 Changing the Data Link T ables with Active Data Links Section 10-2 10-2-5 Procedure f or Changing the Dat a Link T ables with CX- Pr ogrammer The proc edure for chan ging a da ta link table with ac tive data link s is show n here us ing CX-P rogrammer version 3. 2 and th e following system c onfig ura- tion. !Caution Check that the conten ts of[...]

339 Changing th e Data Link T ables with Activ e D ata Links Section 10-2 6. Use the mo use to select n ode 1, w hose data link table is to be cha nged. 7. Selec t Online − T ransfer to P LC while datalink a ctive . 8. The following mess age box will be d isplay ed. Cli c k the Ye s Button. If the Y es Butto n is cli ck ed, the cur rent data link[...]

340 Changing the Data Link T ables with Active Data Links Section 10-2 10. The Data Link T able T rans f er Confir ma tion Messag e Box will be displayed. Click the Ye s Button to tran sfer t he data lin k table. The transfer can be can- celled by clicking the No Butto n. (Th e ac tiv e data li nk ta b le will no t be chang ed if the tra nsf er is [...]

341 Changing th e Data Link T ables with Activ e D ata Links Section 10-2[...]

342 Changing the Data Link T ables with Active Data Links Section 10-2[...]

343 Appendix A Standard Models Contr oller Link Un its Cont r oller Link Su pport Boa r d Cont r oller L ink Su pport Software Repeater Units Communications Cables (T wisted-pair Ca bles) Relay T erminal Block Applicab le PLC M odel numbe r Remarks CS-series PLCs CS 1W -CLK21-V1 See CPU Units and Pro- gramming Devices in this appe ndix. CJ-serie s [...]

344 Standard Models Appendix A CX-Pr ogrammer with CX-Net CPU Units and Programming Devices CPU Units Applicab le computer Nam e Model number Applicab le PLCs IBM PC/A T or compat ib le run- ning W ind ows 95/ 98 or Window s NT CX-Progr ammer with CX-Net WS02-CXPC @ -E-V @ CS/CJ -series, C200HX/HG/HE, CVM1, CV -series, and CQ M1H-se ries PLCs PLC M[...]

345 Standard Models Appendix A Other Products Used with Controller Link Units Refer to the operatio n manual for the relev ant PLC for fur ther inf ormatio n on the abov e produ cts. Name Model number Remarks Bus Co nnection Unit C200HW -CE001 Required t o connect a Controll er Link U nit to a C200HZ, C200HX, C200HG, or C200HE CPU Unit. C200HW -CE0[...]

[...]

347 Appendix B Memory Areas This a ppendix p rovides ea sy reference to th e words in PLC memor y areas used by Contro ller Link Network s. CS/CJ-series PLCs A uxiliary Area Networ k Statu s Flags Bits A202 00 through A2020 7 are tur ned ON to indic ate that por ts #0 thr ough #7, respec tiv ely , are en abled f or the SEND( 90), RECV( 98), CMND( 4[...]

348 Mem ory Area s Appendix B CS/CJ CPU Bus Unit Duplication Err or Flag Bit A40113 is turned ON when t wo CS/CJ CPU Bus Unit s hav e been assigned the same un it number . The dupli- cated uni t number is indica ted in A 410. CS/CJ CPU Bus Uni t Err or , Unit Number Flags When an er ror occurs in a data e xchange b etween the CPU Uni t and an CS/CJ[...]

349 Memory Areas Appendix B Networ k P ar ticipation St atus: CIO 1500 + 25 × (Unit No. ) + 2, + 3 ( See pages 190, 304.) Local Data Link P ar ticipation Sta tus: CIO 1500 + 25 × (Uni t No .) + 6 (S ee p age 304 .) Data Link Status: CIO 1500 + 25 × (Unit No.) + 7 to + 22 (See pa ges 156, 305.) When the first da ta link s tatus word f or manually[...]

350 Mem ory Area s Appendix B 4-Bit Forma t Specified T erminating Resistance Statu s (CIO 1 500 + 25 × ( Unit No.) + 24 (See page 305. ) Node 4 PLC status 0: Inactive (user program not running) 1: Active (user program running) Communications error (data link reception) 0: Nor mal 1: Error PLC's CPU Unit error 0: Nor mal 1: Error Data link pa[...]

351 Memory Areas Appendix B DM Area: CS/CJ CPU Bus Unit Ar ea The CS/CJ CPU Bus Uni t Area (DM Area) is allocated to CS/CJ CP U Bus Un its according to the un it numbers assigne d to th em, as s hown bel ow . Eac h Uni t is al locate d 10 0 words, of whic h 10 words ar e used. I n the Con- troller Li nk Unit th is area is cal led the DM A rea. Soft[...]

352 Mem ory Area s Appendix B P arameter s for Aut omaticall y Setting Data Li nks with Equality L ay out: D30000 + 100 × (Uni t No.) + 1 to 9 (See page 145.) P arameter s f o r A utomatic Data Link Creation with 1:N Alloca ti on: D30000 + 100 × (Unit No.) + 12 to 25 Common T ype W ords N+22 through N+25 r egister n odes t hat will par ti cipate [...]

353 Memory Areas Appendix B 1 to 1 T y pe W ords N+22 through N+25 r egister n odes t hat will par ti cipate in the data links. The numbers shown in the table are the no de addres ses. The bi t status for each node address indi cates whet her the node is to par ticipate in the data links. P ar t ic ipa te: ON Not par tic ipate: OFF Chain T ype 15 8[...]

354 Mem ory Area s Appendix B W ords N+22 through N+25 r egister n odes t hat will par ti cipate in the data links. The numbers shown in the table are the no de addres ses. The bi t status for each node address indi cates whet her the nod e is to par ticipate in the data links. P ar t ic ipa te: ON Not par tic ipate: OFF C200HX/HG/HE PLCs SR Area C[...]

355 Memory Areas Appendix B Operating Le vel Status: SR 252 (See pages 189, 300.) AR Area Duplicate Operat ing Leve ls/ Refresh Err or: AR 00 (See page 299.) Routing T able Err or/Uni t Restart Bits: AR 0 1 (See pa ge 299.) Data Link Start Bits (See page 154.) Networ k P articipation Status: AR 08, AR 09, AR 12, AR 13 (See pages 190, 299.) Operatin[...]

356 Mem ory Area s Appendix B Communicat ions Contr oller Har dware Er r or , EEPR OM Err or: AR 11, AR 15 ( See page 299.) Service Time: AR 16, AR 1 7 (See page 299. ) Operating Le vel Connection Status, Inconsist ent Netw ork P arameters: AR 24 (See page 299.) DM P a ra mete r Area Software Swit ches: DM 64 00 and DM 642 0 (See pages 145 , 243, 2[...]

357 Memory Areas Appendix B Routing T ables (DM 64 50 to DM 6499) (See page 243. ) When t he u se of r ou tin g ta bles is en abled by the soft ware switch setti ng, the routing t ables are sto re d i n th es e words. Do not us e them for anything el se. CVM1 and CV -series PLCs A uxiliary Area CPU Bus Unit Restart Bits Bits A0 0100 th rough A0011 [...]

358 Mem ory Area s Appendix B CPU Bus Unit Numbers Bits A4 1000 th rough A 41015 c orrespon d to CP U Bus Units #0 throu gh #15, respec tively . W hen two CP U Bus Units have the same unit num ber , the bits cor respondi ng to the uni t numbers of the CPU Bus Uni ts inv olved are tur ned ON. Networ k Statu s Flags Bits A502 00 through A5020 7 are t[...]

359 Memory Areas Appendix B Local Data Link P ar ticipation Sta tus: CIO 1500 + 25 × (Uni t No .) + 6 (S ee p age 304 .) Data Link Status: CIO 1500 + 25 × (Unit No.) + 7 to + 22 (See pa ges 156, 305.) When the first da ta link s tatus word f or manually s et data link tables or for automatic ally se t data li nks is not se t or is set to 0, the d[...]

360 Mem ory Area s Appendix B DM Area: CPU Bus Un it Area The CPU Bus Unit A rea (DM Area) is alloca ted to CPU Bus Uni ts accordin g to the unit numbe rs assigne d to them, as sh own below . Each Uni t is alloc ated 100 words, of which 10 words are us ed. In the C ontroller Li nk Unit this area is c alled the DM Area. Software Switc hes (DM2000 + [...]

361 Memory Areas Appendix B P arameter s for A utomaticall y Settin g Data Li nks: DM 2000 + 100 × (Unit N o.) + 1 t o + 9 (Se e page 147.) CQM1H-series PLCs AR Area Data Link Start Bit: AR 07 (See page 113.) Number of send words per node of area 1 (BCD) Rightmost 4 digits of data link star t word of area 2 (BCD) Leftmost digit of data link start [...]

362 Mem ory Area s Appendix B Communications Unit Flags, Contr ol Bits, and Status Information Local Data Link P ar ticipation Sta tus: IR 90 (See page 309.) Data Link Status: IR 91 to IR 93 (See pa ges 156, 309.) When the first data link status word is not set o r is set to the default (0000) for either the m anually s et data link tables or auto [...]

363 Memory Areas Appendix B Controller Link Statu s Informatio n Err or Inf ormation: IR 190 (See page 309.) P olling Node Ad dress, Startup Node Ad dress: I R 191 (See page 309.) Networ k P ar ticipation St atus: IR 192 and I R 193 ( See page 309.) PLC Setup Settings in DM Area Contr ol Bits: DM 6400 (See pages 113, 243, 249 , 325.) 1: Data link t[...]

364 Mem ory Area s Appendix B A utomat ic Data Li nk P arameter s: DM 6401 to DM 640 9 (See pa ge 150.) Routing T ables: DM 6450 to DM 6499 (See page 239.) These words are used for the rout ing tables if the dat a links a re enabled in the s oftware switches. Do not us e these words for an y other pur po se if data links a re en abled. Number of se[...]

365 Appendix C Using the Rela y T erminal Blo c k This a ppendix descr ibes h ow to use the CJ 1W- TB10 1 Wired Con troller Link Uni t Relay T er minal Block. Using a Relay T er minal Bl ock enables replacin g a Control ler Link Uni t while net work communi cations ar e still i n progress. Relay T erm inal Blocks (CJ 1W -TB101) can be used on any n[...]

366 Using the Relay T erminal Block Appendix C 4. Attac h the ter mina l block cov er to the communi cations ter minal block on th e Contr oller Link Unit. Replacing a Con tr oller Link Unit with a Rela y T erminal Block Use the following procedur e to repl ace a Controll er Link Unit with a Relay T er mi nal Block. The commun ications cables are l[...]

367 Using the Re lay T erminal Bloc k Appendix C Note 1. Signa l will st ill be flowing through the com munication s cables dur ing the repla cement pr ocedure if the network is sti ll operating. Use an insulate d screwdri v e r and be very sure tha t the me tal por tions of th e Relay T er minal Block or the communicati ons cable cr imp ter minals[...]

[...]

369 Index Numerics 1 to 1 typ e , 10 , 130 , 139 1:N alloc ations 1 to 1 type , 10 , 130 , 139 chain typ e , 10 , 13 0 , 141 common t yp e , 10 , 13 0 , 135 4-bit format , 156 , 158 , 160 , 295 , 35 0 8-bit format , 156 , 157 , 160 , 294 , 34 9 A-B applica tio ns pre cau tio ns , xxii , 27 AR Area reading , 214 , 216 writing , 215 asyn c hr o no us[...]

370 Index settings , 93 CJ Series settings , 89 CJ-series PLCs , 46 CQM1H Series settings , 100 CQM1H-series PLCs , 53 CS Series settings , 86 CS-series PLCs , 44 CVM1 and CV Series settings , 97 CVM1 and CV-series PLCs , 51 models , 16 , 343 counters changi ng PV , 215 reading Completi on Flag sta tus , 214 , 216 reading PV , 216 CPU Units models [...]

Index 371 error log , 7 reading , 210 response co des , 227 FAL/FALS No . , 221 fatal error data , 220 FINS comman ds errors , 227 response co des errors , 227 send ing an d rece iving , 199 responses , 199 sendin g and receiv i ng , 199 stoppin g and start ing dat a l inks , 155 flags Network Instruc tion Enable d Flag , 189 , 190 Network Instruct[...]

372 Index reading , 219 read i n g co nt r oll er status , 203 , 220 receiving r outing t able settin gs , 243 status , 219 polli ng cyc l e definition , 24 8 polli ng no de setting , 249 precaution s application s , xxii , 27 gener al , xx handli ng , 32 4 operatin g environ men t , xxi replacing the Unit , 32 4 safety , xx procedures message serv[...]

Index 373 changi ng PV , 215 reading Completi on Flag sta tus , 214 , 216 reading PV , 216 troublesho oting , 276 status a rea , 292 status flag s , 301 using i ndicator s , 276 U-W unit nu mbers setting CJ-series Wired Units , 90 CS-series Wired Units , 86 CVM1 and CV Units , 98 Wire d Netwo rk 62 Node En able B it , 79 , 35 1 wiring Wired Control[...]

374 Index[...]

375 Revision History A manual r e vision code appea rs as a suffix t o the catal og number o n the fr ont cover of the manual. The following table outlines the changes made t o the manual duri ng each revision. Page numbers refer to the previous version. Revi sion code Da te Re vised con tent 1 F ebru ary 1997 Original produ cti on 2 A ugust 1997 R[...]

376 Revision Histor y 06 F ebruar y 2003 “PC” change d to “PLC” through out the ma nual. In f ormation relat ed to th e CQM1H -CLK21 w as ad ded and i nf ormation rela ted to t he CS1W -CLK21 w as remo v ed. In ad dition , the f oll owin g change s were made . Pag e v : Chan ges made to infor m at ion on pro duc t re ference s. P ages 17 , [...]

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Authorized Distributor: Cat. No. W309-E1-09 Note: Specificat ions subject t o change without noti ce Printed in Japan This manual is printed on 100% recycled paper.[...]