Siemens DTU3005-B manuale d’uso

DTU3005-B Intelligent Data T ransfer Device for Connection to PLCs and Modbus Networks Operator’s Manual[...]

SUMMARY These instruct ions do not purpo rt to cover all details or vari ations in equipme nt, nor to provide fo r every possible cont ingency to be met in connection wi th inst allation, ope ration, or maintenenc e. Should further infor- mation be de sired or should particular problems arise which are not covered sufficiently for the purch aser’[...]

T able of Contents Siemens En ergy & Automation, Inc. i 1 Introductio n ............. ........................ .. 1 1 . 1 Product Overvie w ................ ............. .... 1 1 .2 Sof tware Overview .............. ............. .... 1 1 .3 F eatu res ................... ............. ............. .... 1 1 .4 Applicat ions ..................[...]

T able of Contents ii Siemens Energ y & Automation, In c. © Copyrigh t 1999 Siem ens Energy & Automation, Inc . SIEMENS is a reg istered tradem ark of Siemens AG. ACCESS, WinPM, Static T rip III, SAMMS, SEAbus, ISGS, and Isolated Multi-Dro p are trademarks of Siemens Energy & Automati on, Inc. DI GSI is a r egistered trademark of Siem [...]

1 Introduction Siemens Energy & Autom ation, Inc. 1 1I n t r o d u c t i o n 1 . 1 Product Ov erview The Pane l-T e c D TU30 05 i s a n in tel lige nt, mult ip le- function data tran sfer unit that en ables com munica- tions betw een Siem ens communi cating power meters, trip un its, and pr otective relays , and PLCs or Modbus n etworks. The de[...]

1 Introduction 2 Siemens Energy & Automation, Inc. 1. 4 . 1 P L C t o S E A b u s The ba sic confi guration is a PLC at tac hed to por t 1 of the DTU3005, and the Siemens A CCESS devices attac hed to port 2. This is show n below in Figur e 1.2 . P ort 3 can be c on fi gu re d as a pa s sthr oug h t o th e SEA - bus device s. This allows a pers [...]

1 Introduction Siemens Energy & Autom ation, Inc. 3 1 .4.2 Modbu s Mast er to SEAb us The DTU3005 unit can be configured as a Modbus (R TU) slave. In th is configura tion, a Modbus master device (u sually a SCADA sy stem) is connected to por t 1 . The Modbus master uses the DTU3005 to monitor and/or control Siemens A CCESS devices. A typical Mo[...]

1 Introduction 4 Siemens Energy & Automation, Inc. Figu re 1.7 Connection to Modbu s Master using a Multidrop Cable Multi-Drop Modbus Master to SEAbus By using a Si emens Isola ted Multi-Drop Conver ter , you ca n co nnec t your M odbu s Ma ste r dev ice t o f our DTU3005 devices. Eac h DTU30 05 can con nect to up to 32 Siemens ACCESS devic es,[...]

1 Introduction Siemens Energy & Autom ation, Inc. 5 1 .4.3 SEAbus P ort Expander The DTU3005 can be used as a SEAbus po r t expander for ACCESS device s, allowing two personal comput- ers running WinPM (or othe r supervi sory software) to communicate with up to 32 A CCESS devices . This config uration is shown be low in Figure 1.9 . Figu re 1.9[...]

2 Installing the Software 6 Siemens Energy & Automation, Inc. 2 I nstalling t he Sof tware The DTU3005 Editor sof tware can be installed from the DOS p rompt on to a PC ru nning Microsoft® Win- dows versio n 3. 1 , 95, or 9 8. The PC processo r must be less tha n 30 0 MHz (o r have a utility program installed to slow down the pr ocessor spee d[...]

2 Installing the Software 7 Siemens Energy & Automation, Inc. return s you to the DOS promp t as s hown in the examp le screen bel ow . 7 . If you a re runn ing Wind ows, typ e exit to clos e the DOS wi ndow .[...]

3 Starting the Software 8 Siemens Energy & Automation, Inc. 3 S tarting the Softw a re T o star t the DTU 3005 Editor so ft ware, foll ow these steps: 1 . If you ar e runn ing Wind ows 3. 1 , double clic k the MS-DOS Pr ompt icon in the Main window of Pro- gram Mana ger . For Window s 95/98, s elect MS- DOS Prom pt from the Start menu. 2. At th[...]

3 Starting the Software Siemens Energy & Autom ation, Inc. 9 3.2 Main Menu The main menu is located on the top line of the screen. In addition to the men u selections , the name of the c ur rent projec t and the time of da y is display ed on th e to p lin e. T her e ar e fi v e mai n me nu se lect io ns . They are • ≡, or t he Program Infor[...]

3 Starting the Software 10 Siemens Energy & Automation, Inc. 3. T yp e in a name for the projec t up to eig ht l etters and nu mbers i n the Project Name: field an d pr ess Enter . The Proje ct T ype: field wil l then be high- lighted . Pr ess the spacebar to disp lay t he project types, whi c h are: • PLCs t o Devices —allows a PLC to c o [...]

3 Starting the Software Siemens Energy & Autom ation, Inc. 11 4. T o select a pro ject typ e, highlight th e type and either p ress Enter or clic k the lef t mouse but ton. Then h ighlight th e Ok button on the di alog box and either pre ss Enter or clic k the left mouse but - ton. 5. When the screen refreshes , the Project men u is displ ayed [...]

4 Creating Pr oject Files—PLC to Devices 12 Siemens Energy & Automation, Inc. 4 Creating Pr oject Files—PLC to Devices This chapter covers configuratio n of the DTU3005 for PLC communications with Siemens devices. Once you have cr e- ated a PLC to Devices pr oject (see Chapt er 3 ), follow the directio ns in this chapter to configure the pr[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 13 • Device Command Registers —allows you to indicate which PLC r e gisters w ill be u sed for dev ice co mmands. • Device Defaults— allows you to set the default data regi sters for mor e than one device of a cer tain type, e.g., set the defa ults for all 4720[...]

4 Creating Pr oject Files—PLC to Devices 14 Siemens Energy & Automation, Inc. T o select the PLC connected to port 1, hig hlight PLC Pro - tocol and press Enter . The PLC Protocols selection menu appears: PLC Pr otocol Use the Do wn Arrow and Up Arrow keys to scroll through the list of available PLC Protocols, sin c e not all choices ar e vis[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 15 prog ram displays an entry bo x for the RTS delay tim e. Enter the time in milliseconds. Response Time-Out The Response Time-Out tells the DTU how long to wait after transmitting a request to th e PLC if no response has been receiv ed from the PLC. After this amount[...]

4 Creating Pr oject Files—PLC to Devices 16 Siemens Energy & Automation, Inc. Savi ng Port 2 Co nfigu rati on Inf ormation Once you have e n tered all the configuration information, select Save to save the configuration to the pr oject file. Then select Ok or press the Esc key to close the co nfigura- tion s creen . If you have changed the co[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 17 4.6 Dev ice List Se tup The Device List menu item enables you to indicate which regi sters on the PLC will receive data from the devices. In this screen , you will ent er the device t ype and addr ess for each Siemens device conn ected to port 2. Y ou will also in d[...]

4 Creating Pr oject Files—PLC to Devices 18 Siemens Energy & Automation, Inc. 3. Select the device from the list by pressing En ter or the spacebar . The highlight moves to the Addres s fiel d, and the PLC register fields now display as shown in the example scre en below . 4. W ith the Addr ess field highlig hted, enter the device’s address[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 19 6. Enter the beginning r egister number in the Real-Time Data Re giste rs field . Refe r to Appe ndix A for valid register numbers for yo ur PLC applicatio n. The DTU3005 Editor so ftware supplies the last r egister number after you enter the first. In the example a[...]

4 Creating Pr oject Files—PLC to Devices 20 Siemens Energy & Automation, Inc. 4. Select a data register o n the list and pr ess Enter to see a list of ava ilable rea l time data. These data item s are identical to the standard data items listed in Append ix E . Not all data items are v isible on the screen at one time. Use the mouse and the s[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 21 5. Select the data word (16 bit data) from the list and press Enter . Continue to set the other data words in the same manner . Many data items consist of two words (32 bit data). It is important that yo u configure both wor ds in or der to transmit useful inf ormat[...]

4 Creating Pr oject Files—PLC to Devices 22 Siemens Energy & Automation, Inc. 3. Select a data item and press Ente r to see a list of device r eal time data that can be assigned to that data word. Sel ect Not Used if you do not want that data word to be used. N o t all of the entries are v isible on the menu. Use the scr oll bar or the Page U[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 23 T o conserve r egisters when using VDEW devices, you should set all unused registers to “Not Used” and place them at the end of the list. The DTU3005 will then only allo - cate r egisters for tho se containing device data. (This does not apply to SE Abus devices[...]

4 Creating Pr oject Files—PLC to Devices 24 Siemens Energy & Automation, Inc. The re levant status codes (T ext #) are listed bel o w . Ta b l e 4 . 1 7SJ600 Relay In formation For Requesting Status of the 7SJ600 Relay’s Thr ee Binary Inputs T ext Numb er/ Statu s Co de (default value retur ned i f not co nvert ed) Description of Return ed [...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 25 Once you ar e finished entering data, select Save to save your configuration, then select Ok to exit the dialog box. Select Rev ert to bring back the pr evious settings. 4.9 Global Command Registers This option allows y ou to specify global com mands for all the dev[...]

4 Creating Pr oject Files—PLC to Devices 26 Siemens Energy & Automation, Inc. parameter is u sed only with Allen- Bradley PLCs. It specifies the file num ber in the PLC that contains the regi ster values that ar e transferred to or from the device. 4. Sel ect Save to save the information to the project file, and then select Ok or press Esc to[...]

4 Creating Project Files—PLC to Devices Siemens Energy & Autom ation, Inc. 27 4. Enter the value for the Command Block Read Delay . This is the delay between times that the DTU30 05 reads the data from the PLC’s command reg isters. This control s the frequency tha t the registers ar e read to allow for cr itical PLC scan times. 5. Sel ect S[...]

5 Creating Project Files—Modbus Master to Devices 28 Siemens Energy & Automation, Inc. 5 C reating Project Fil es—Modbus Master t o Devices This c h apter co vers con figuration o f the DTU3005 for Modb us ma st er dev ice c ommu nic at ions with S iem ens devices. Once you have created a Modbus Ma ster to Devices project (see Chapte r 3 ),[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 29 5.2 Conf iguring the Pr oject File Once y ou have crea ted or opened the pr oject file, select Edit from the main menu. When t he Device P ro- toco l for po r t 2 is se t to SEAb us (see S ection 5.4 ), the followi ng men u ite ms appe a r: • Port 1 (Mod[...]

5 Creating Project Files—Modbus Master to Devices 30 Siemens Energy & Automation, Inc. 5.3 Modbus Setup—P ort 1 Y ou must have a Modbus Master to Devices pro ject file o pen to c onfigu re por t 1 using the instructions in this s ection. Se lect Port 1 (Modbus Master) from th e Edit menu, and th e P ort 1 Modb us Master configura- tion scre[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 31 Select either ASCII or R T U as your Modbus prot ocol, then p ress the Ta b k ey to h ighl ight the Modbus ID selection b ox. Th e Modbus ID is use d to identify th e address of th e DTU . T ype in the Modbus ID number and pres s Ente r . 2-Wire RS422 or R[...]

5 Creating Project Files—Modbus Master to Devices 32 Siemens Energy & Automation, Inc. 5.4 Dev ice S etup—P ort 2 One or more Siem ens devices may be con nected to p o r t 2 . Y o u m u s t h a v e a M o d b u s M a s t e r t o D e v i c e s project file open to co nfigure po r t 2 using the inst ruc- tions in this se ction. Se l ec t Port [...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 33 5.5 Modbus/P assthrough Setup—P ort 3 P ort 3 can be use d for passth rough comm unication s to y our Siemens SE Ab u s devices o r for connection to a secon d Modbus Ma ster device . Passthrough c om- municati ons enables a PC ru nning Wi nPM, or other [...]

5 Creating Project Files—Modbus Master to Devices 34 Siemens Energy & Automation, Inc. P as sthrough to Po rt 2 (SEAb us) If yo u select Pass thr ough to P ort 2 ( SEAbus) , the screen a ppears a s shown be low . 2-Wire RS422 or RS48 5 Commun ications Af ter you h ave selected Passthrou gh to Port 2 (SEA- bus) , pr ess Ta b or select 2-Wir e [...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 35 5.6 Device Li st Setup The devic e list menu item enables y ou to indic ate whic h reg isters on the PLC will receive data from the devices. In this menu , you will en ter the device type and address fo r eac h Siemens device connected to por t 2. Y o u w [...]

5 Creating Project Files—Modbus Master to Devices 36 Siemens Energy & Automation, Inc. 3. Sele ct the device from the list b y pressing Ent er or the s pacebar . The highlig ht mo ves to th e Addr es s field, and the PLC register fields now dis- pla y as shown in the example screen below . 4. With the Addr ess field high lighted, en ter the d[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 37 c hange the starting register t o 1 0, the l ast register will au toma tic ally change to 51 . Note: The Modbus Master must read these r egis- ter numbers to be able to access the rea l- time data for this device. 6. Press Sh ift+T ab , or cli c k th e le [...]

5 Creating Project Files—Modbus Master to Devices 38 Siemens Energy & Automation, Inc. 4. Sele ct a data register on the li st and pres s Enter to see a lis t of avail able real time data. The da ta items are id entical to the s t andard data item s listed in Appendix E . N ot all da ta it ems are v isi ble on the s creen at one ti me. Use th[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 39 5. Sele ct the data wo rd (16 bit data) from the list and press Enter . Cont i nue to set the other data words in the sam e manner . Man y data items con sist of two words (32 bit da ta ). It is i mportant that you configure b oth words in order to transmi[...]

5 Creating Project Files—Modbus Master to Devices 40 Siemens Energy & Automation, Inc. 3. Sele ct a data item and press En ter to see a list of device data it em s that ca n be assign ed to that data wor d. Select Not U sed if you d o not w ant tha t data wo rd to b e used . Not a ll o f the en trie s a r e vi s- ible on th e menu. Use t he s[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 41 T o conserve registers when us ing VDEW device s, you should set all unus ed registers t o “Not Used” and place t hem at t he end of th e list. The DTU30 05 wil l only all oca te reg ist er s for tho se c ont ai ning de vice data. (Th is does not a ppl[...]

5 Creating Project Files—Modbus Master to Devices 42 Siemens Energy & Automation, Inc. The relevan t status codes (T ext #) are listed below . Ta b l e 5 . 1 7SJ600 Relay In formation For Requesting Status of the 7SJ600 Relay’s Thr ee Binary Inputs T ext Numb er/ Statu s Co de (default value retur ned i f not co nvert ed) Description of Ret[...]

5 Creating Project Files—Modbus Master to Devices Siemens Energy & Autom ation, Inc. 43 Onc e you are fin ish ed en te ri ng dat a, se le ct Save to save you r configuration, then select Ok to exit th e di a- log box. Select Revert to bring bac k the previous set- tings . 5.9 Glo bal Co m man d Re gister s This op tion allows y ou to specify [...]

5 Creating Project Files—Modbus Master to Devices 44 Siemens Energy & Automation, Inc. register 400 0 1 , etc. Be sure th at the reg isters yo u specified are not bein g used by o ther devices. 3. Select Save to save the info rmation to the pro ject file, a nd then select Ok or press Esc to ex it th e device dia gnostic registers screen. If a[...]

6 Creating Project Files—SEAbus Port Expander Siemens Energy & Autom ation, Inc. 45 6 C reating Project Files—SEAbus Po r t E x p a n d e r This c hapter co vers configuration of the DTU3 0 05 as a SEA bus p ort ex pand er. Once yo u ha ve c reat ed a SE A- bus por t expander project (see Chapter 3 ), follow the direct ions in thi s c h apt[...]

6 Creating Project Files—SEAbus Port Expan der 46 Siemens Energy & Automation, Inc. 6. 1 P assthrough Set up—P ort 1 Y ou must have a SEAbus P ort Ex pander project file open t o conf igure port 1 using t he instr uctio ns in thi s section. S elect Port 1 (Passthr ough) from the Edit menu, and the P ort 1 (P assthrough) configuratio n scree[...]

6 Creating Project Files—SEAbus Port Expander Siemens Energy & Autom ation, Inc. 47 When 2-wire com munic at ions are being u sed , RTS must be looped bac k to CTS on the DTU side of the cable. This can be done on th e RS232 side by loopin g pins 4 a nd 5 or on the RS422/48 5 side by l ooping 1 6 to 18 and 17 to 1 9. See Appendix D for wiring[...]

6 Creating Project Files—SEAbus Port Expan der 48 Siemens Energy & Automation, Inc. 6.2 SEAbus Dev ice Set up—P ort 2 One or more Siem ens devices may be con nected to por t 2. Y ou must have a SEAbus P ort Expa nder projec t file o pen to c onfigu re por t 2 using the instructions i n this secti o n. Se l ec t Por t 2 (SEAbus Devices) from[...]

7 T ransferring Project Files Siemens Energy & Autom ation, Inc. 49 7 T r an sferring Project File s Once yo u have configured an d saved yo ur proje ct file for y our pa r ticular ap plication, y ou need to download it to the DTU30 05 unit . First ve rify whic h COM port on you r computer is used to upload and download projects to the DTU3005 [...]

7 T ransferring Project Files 50 Siemens Energy & A utomation, Inc. . Figu re 7.1 Null Mode m Ca ble conne ction The null mode m cable will cr oss pin s 2 and 3 (R XD and TXD) . On t he co mput er end of t he ca ble, pi ns 7 and 8 (RTS and CTS) s hould be conne cted togethe r . Also pi ns 1 , 4 , and 6 (DC D, DTR and DSR) s hould be connec ted [...]