Agilent Technologies L4400 manuale d’uso

Agilen t T echno logies Agil ent L44 00 Ser ies LXI C lass C I nstrum ents User’ s Guide[...]

Notic es © A gilen t T echnolo gi es, Inc . 20 06 No p art of th is manu al ma y b e re prod uced in an y f orm or by a n y me an s (i ncl udin g ele ctr onic stor ag e an d re tri e val or tr an sla- tion into a for eign langua ge) withou t prior agr eem ent and w rit ten conse nt fr om Ag i- len t T echnologi es, Inc. a s govern ed by Unit ed St[...]

Addi tional Safety Notice s The fo llo win g ge ne ra l saf ety p rec au ti ons mus t be obs erved during all phases o f o per- at ion of this instr ument. Fai lure to co m p ly with t hes e precauti ons or wit h speci fic wa rni ngs or instru c tio ns el se wher e in this manu al viol ate s s afet y sta n dard s o f des ign , ma nu fact ure , an d[...]

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Template: A5971-5302-2, Rev. B.00 L4421A-DoC-A DoC Revision A Manufacturer’s Name: Agilent Technologies, Incorporated Manufacturer’s Address: 815 – 14 th St. SW Loveland, CO 80537 USA Declares under sole responsibility that th e products as originally delivered: [...]

L44 00 Use r’s Guid e v Con t en ts 1 Introducti on to the L4400 Seri es LX I Instruments I nstr ument Cons ide rations 2 E nvironm enta l Oper ating Co nditi ons 2 Elec tr ical Op era tin g Con d ition s 3 I nterc o nnec tion So luti ons Ov ervi ew 4 Benc h- T op Oper ati on and Ins trum e nt Rack Mounti ng 5 Benc h- T op Operati on 5 Rack Mo un[...]

vi L4400 U s er’s G uide 3 Opera ting and Progra mming L4400 Instrument Front Panel O verview 48 The L AN R es et B u tt on 48 The F ront Pan el LEDs 48 L4400 Instrum ent Re ar Pan el Over view 50 L4400 Series Ch annel Addressin g Schem e 52 Int r od uc tio n to the S CPI C om ma nd L an gu ag e 52 Syntax C o nventions 53 Command Sep arators 54 U[...]

L44 00 Use r’s Guid e vi i Using Seque nces 89 Def i ni ng a S eq u enc e 90 Qu erying th e Sequenc e Defini t ion 93 E xecut ing a Se quence 93 Exec uting a Seque nce on an Alar m Condit ion 94 Deleting Seque nces 95 Readin g the Li st of Store d Sequ ences 95 Instr ument State Storage 96 Erro r Condi tions 97 Re lay Cycl e Count 98 C ali bratio[...]

viii L4400 U ser ’s Gu ide 6 L4437A Ge neral P urpose Sw itch General Purp ose Sw it ch Instrument 130 L4437 A SC PI Com ma nd Sum mary 13 2 L4437 A Exam ple Program Se gme nts 133 L4437 A 32- Channe l Gen eral Pur pose S witch Hardw are De script ion 134 L4437 A Sim plifie d S chemat ic 134 L4437 A D-Sub Con nectors 135 34937T T erm inal Blo ck [...]

L44 00 Use r’s Guid e ix 8 L4450A 64-Bi t Digital I/O with Memor y and Counter L4450A S CP I Comm an d Su mmar y 198 L4450A 6 4-B it Digi tal I/O with Me m ory and Cou nter 205 Ba sic D ig ital I /O O p era tio ns 206 Hand sha king 209 Bu ff ered I/ O Ope rati ons 216 I nterrup t Lines 219 By te Or d eri ng 220 Pa ttern Mat ching 221 Co un t er 2[...]

x L4400 U s er’s G uide A L4451A a nd L4 452A C alibration P rocedures Cali bra tio n P ro c edu res 248 Ag ilent T e chno log ies Cal ibra ti on S erv ices 248 Cali bra tio n In t erva l 248 Ti m e Requi red fo r Calibrat ion 249 Auto m ati ng Cal ibrati o n Proc edur es 249 Re co m me n de d T e st E q ui pm e nt 249 Cali bra tio n S ec urit y [...]

1 Agi lent L44 00 LXI Clas s C In stru men ts Use r’ s Gu ide Agilent T echno logies 1 Intr oducti on to the L 4 400 Series LXI Inst ruments I nstr ument Cons ide ra t ions 2 I nterc o nnec tion So luti ons Ov ervi ew 4 Benc h- T op Oper ati on and Ins trum e nt Rack Mounti ng 5 Appl y ing P ow er 11 W elco me. Th e pr odu cts co v ered i n this [...]

2 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments Instrum ent C onside rati ons This section l ists im portant items an d acti ons that can aff ect the op eration of yo u r m o d u l e s . Environme ntal Operating Conditions The L4400 Series L XI modules are design ed to operate in a tem perature ra nge of 0 ° C to + 5[...]

Intro d uction to t he L440 0 Ser ies LX I Ins trum ents 1 L44 00 Use r’s Guid e 3 Electrical Operating Condit ions Tr a n s i e n t s The L44 21A, L4 433A, and L44 37 A modules are d e sig ned to saf ely withstand occasi onal tran sie n t o verv oltages u p to 1000 Vpe ak. T ypicall y , th ese transient ov e rvolt ages resu lt from s witch ing i[...]

4 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments Interco nnec tion S olution s Ove rvi ew Depe nding on your spe cific requi reme nts, you can conne ct y our DUT to the L44 00 LX I inst rum ent using the follo wing o ptiona l int erconne ction s olu tio ns . S ee the L 440 0 se rie s Pr odu ct Data Shee ts f or ad d it[...]

Intro d uction to t he L440 0 Ser ies LX I Ins trum ents 1 L44 00 Use r’s Guid e 5 Benc h- T op Ope rati on and Instrume nt Ra ck Moun ting The L4 400 se ries i nstrumen t s ca n be located on a bench- to p or ra ck moun ted in stan dard 19 - inch EIA rack ca binets . Bench- T op Operation Coolin g and v e nt ilation of the L4400 ser ies instr um[...]

6 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments Procedure Fig ure 1- 1 is a compo site d rawing of th e Y11 60A slid ing shelf rack mo unt kit. The dra wing sho ws the location /us age of t h e har dware i tems li sted in Tab le 1- 2 . Figure 1-1. Y1 1 60A Ins trument Rac k Mount Kit (L4400 Serie s). 1 2 3 4 5 6 7 8 9[...]

Intro d uction to t he L440 0 Ser ies LX I Ins trum ents 1 L44 00 Use r’s Guid e 7 The L4400 instr u ment(s) can be mo unt ed between any two ad jacent EIA unit indicat ors (F igur e 1- 2 ). On A gilent r ack s, an EIA unit ind icato r is re pr es e nt ed by a tr ia ng le ( ! ) on the rack’s fr ont and rear - facin g columns. A s ingl e E IA un[...]

8 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments If cente r - facing co lumns with holes are present on the f rame, i nsert a cli p- on nu t o n the h ole perpe ndi cul ar to th e cente r hol e on the fr on t fa cing col umn . See Figure 1- 3. Figure 1- 3 . Rack Col um n and Shel f Rail Orient at ion. 2 . W ith the ra [...]

Intro d uction to t he L440 0 Ser ies LX I Ins trum ents 1 L44 00 Use r’s Guid e 9 Insta ll the Sliding Shel f F acing the rack, slid e th e shel f (item 7) o nto the bottom surfaces of the rai l c hann els . T he tab s at th e ba ck of the she lf pa ss und erne ath t he ch anne l s urf ac e. The ta bs all o w yo u to exte nd the sh el f fr om th[...]

10 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments 4 . I nstal l th e s eco nd L44 00 ins trume nt (i f p res e nt) in the she l f ar e a a d jac en t to t he first instr ume nt. If on ly one instr u men t is ins ta lled, ins ta ll a f iller pane l o n the fr ont edge of the un used area . Insert tw o M4x8 f lat head sc[...]

Intro d uction to t he L440 0 Ser ies LX I Ins trum ents 1 L44 00 Use r’s Guid e 11 Connect the Shelf to the Rack Fra me Once the instrumen ts are in stalle d and all po wer cor ds and cables are routed a s inten ded, s lid e t he shel f into the cabinet until the sh elf han dl es meet the fr ont-fac i ng col umns of the rack fr a me. Using t wo1[...]

12 L4400 U s er’s G uide 1 Introdu ction to the L4400 Series LXI Instr uments R e fe r t o T a b l e 3 - 1 ( C h a p t e r 3 ) f o r d e f i n i t i o n s o f t h e L E D s ( AT T N , L AN , P W R ) on the L4 400 ins trument f ront panel. Figure 1 -6. Loc ation o f the L4400 S eries I nstrument P ower Button. Powe r Button[...]

13 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 2 Software Installation and Con figurati on In stal ling t he Agil ent I O L ibr arie s an d L440 0 In st rument Driv ers 14 Config uring the L440 0 Instrume nts 17 GPI B Configur ation 33 Firmware Upd ates 39 Ins trument Pow er-O n and Defa ult LAN Configur at[...]

14 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Install ing the Ag ilent IO Libra ries and L44 00 Instrume nt Driv ers Commun icat ion an d co ntrol of the L4 400 ser ies in strumen ts f r om a Micr osoft® prog ramming en vironm ent is p ro vided through t he f ollowing sof twar e t hat is incl uded with t he L440 0A ins t[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 15 Close all applicati ons on your comput er . Insert the Agile nt Automation-Ready CD into the C D-ROM driv e . F oll ow the inst ructions a s prompte d durin g the inst a lla tion. Acce pt all def ault d i r ec tories sp ecifi ed . If t he IO li braries inst a l lation does not s[...]

16 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Figure 2 -2. L4 4 00 Product Refere nce CD-ROM Software ( Driver) Menu Inst a ll t he appropr iate dr iver from the menu base d on t he envir onment you wil l use to progra m the L4400 instruments . T able 2-2 contains a li st of common environ ments and corr e sponding dr ive[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 17 Config uring t he L 4400 Ins trume nts Instr ume nt conf igu ratio n as applied to t h e L4400 s eries of L XI inst rum ents in vol ves the fol lo wing : • iden tifying th e IP add ress and hos t name (L AN prog ra mmin g) • (opt iona l) sett ing th e GPIB addre ss • te st[...]

18 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Sec urity: a p ri va t e n e twor k g en er a lly i nvo lves di rec t c on ne ct io ns be tw een t h e co mputer and the inst r uments , and ma y incl ude swi tches and r outers. A cces s to the i nst r umen t i s li mite d to use rs c o nnec ted di rec tl y to the p riv ate n[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 19 Private Network Connections Figure 2 - 3 sho ws ty pical L AN cable c onnections f or a private n etw ork. Figure 2-3. T ypical Priv a te LAN Ne twork Connect ions. When m akin g a direct co nnectio n between th e L 4400 instr ume nt and t h e PC, use the ye llo w L AN cro sso v[...]

20 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Site Network Connections Figure 2 - 4 sho ws ty pical L AN cabl e c onnecti on s f or a si te net work. Figure 2 -4. T ypic al Site LAN Ne twork Connections. On si t e ne t work s , t h e L4 4 00 in st r u m en ts an d t h e c o mpu te r ar e c o nne c t ed di r ect ly to s it[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 21 Ho st N ames Each L440 0 i ns trument has a def ault hos t name. The f or mat of th e h ost n ame is: A- L44xx A- yyyyy where ‘L44xxA’ is rep l ace d by the modul e number (e .g. L442 1A) and ‘y yyyy’ ar e the l ast fi ve d igits of the ins trument s erial nu mber . T he[...]

22 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Figure 2- 5 . S t a rti ng Agilent Connection E xpert. Loca ting the Ins trumen ts Agil ent Conne ction Ex per t ope ns with a “welcome screen” and w indo w simil ar to that s ho wn in Figur e 2- 6. The com pu ter interfaces conf igur ed durin g inst alla tion of t he A gi[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 23 Figure 2 -6. Agil ent Connection Expert (ACE) Opening Wi ndow . T o search the network f o r ins tr ument s, click o n “Add Instr ume nt” lo cate d on th e C onne ctio n Ex p ert to ol b ar . Fr om the “Ad d In strume nt” win do w , s ele ct the LAN (TCPIP 0) i nterface [...]

24 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Cli ckin g on “Find I nstrument s” (Fi gure 2- 8) opens t he sear ch wind ow . Clic king on “F ind No w ” perf or ms th e sear ch f or inst rument s on the LAN netw ork. Inst ruments f ound (disco vere d) on the netw ork (l ocal subne t) are indi cat ed as sho wn. I n [...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 25 Figure 2 -9. V erifyi ng a Communication P ath to t he Instr um ent. The L AN I nstru me nt wind o w ide ntif ies t he in stru me nt’s hos t name , its IP addres s, its V ISA ad dress, and pr oduct number . Becaus e t he n etw or k ser ver used in this exam ple does not su ppo[...]

26 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Figure 2-10. Confi gured Instruments added t o LAN Ne twork. Interacti ve IO The In teract ive I O feat ure of A gil ent Connec tion Expert allo ws y ou to interact wit h the in str um ents b y send ing comman ds an d seein g the i nst ruments ’ respon ses. Interactiv e IO c[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 27 Figure 2 -1 1. Selectin g an Instrument a nd S tarting Interactive IO . Iden tify ing the Inst rument s L4400 series i nst rument s are com prised of the carrie r , th e instrument sub- ass embly , and on sele cted in struments, a w iring terminal block. T he carrier and inst r [...]

28 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion *IDN? Agilent T e chnologi es, L4421A, MY000 12345, 0.12-0.04-0.00-0. 00 SYST :C TY P? 1 Agilent T e ch nologies,L4421A , MY4400023 7, 2.16 SYST :D ES C? 1 “64-bit Digit al I/O Modul e with Memory and Counter” Usi ng th e Ins tr u m ent We b Inte rfa ce Each L44 00 series [...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 29 Fig ur e 2- 12. O pen ing the I nstr um ent W eb Int erfa ce. Select the instrument / open the W eb interfa ce[...]

30 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion An exam p le of the W eb interface win do w i s s ho wn in Figure 2-13. Fig ur e 2- 13. L4 450 A Web I nte rfac e (We lcom e Pa ge). Editi ng the Instrum e nt’ s LAN Setting s On ce a co mmuni cat ion path to th e ins trumen t ha s be en ope ne d, the instr ument ’s L AN c[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 31 On t he W eb “welcome pa ge”, cl ick ‘View and M odify Conf igura tion’. Th is opens the c onfigu ratio n window sho w n in F igure 2- 1 4. Figure 2 -14. Vie wing LAN Configura t ion S ettings from the We b Interface .[...]

32 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Clicking ‘Mo dif y Configu ratio n’ opens th e window sho w n in F igure 2- 1 5 whic h al lo ws y ou to edi t th e para mete rs s ho wn. Figure 2-15. Changing the Instrument LAN Interf ace Configurati on. LAN Config uration Com mand Summary In addition to using the W eb in[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 33 GPIB Con figura tion The L4400 seri es instrument s are a va ilabl e with an opti onal GPIB i nterface. The st eps re quired t o co nfigure L4400 i nstruments for use o ver GPI B include : • connec ting the G PIB cab les • adding the instr ume nt to the GPIB int er fac e con[...]

34 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Adding Ins trume nts to the GPIB Configur ation Highli ght th e GPIB inte r face (GP IB0) and select “ Add Instr um ent” on t he t ool bar . Sel ect the GPIB i nterface in the “A dd Inst r ument ” windo w and cl ick ‘OK ’. Figure 2-16. Adding Instrument s to the GP[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 35 V er ifying th e GPIB Pa th In the Agil ent Conn ection Expe r t wind o w , select and op en ‘Inte rac tive IO’. V er ify comm u nica tio n to the i nst r um ent by sen di ng the * ID N? comm a nd us i ng Send & Re ad below the com mand line. Figure 2-1 8. GPIB Communica[...]

36 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Figure 2-19. In this exa mple, t he GPIB addr ess i s set to 10. Figure 2- 1 9. Sett ing the GPIB Address U sing the I nt era ctive IO W indow. Once the addre ss is changed wit hin the instrument, the addre ss must also be chang ed in t he Ag ilen t Connectio n E xper t’s ?[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 37 From the Agilen t Connection Expe rt main window , highlight the instru ment added and then clic k ‘ Change Proper ties ... ” . W ithin the configur able proper ties window , change the address of the instr ument from ‘9’ to ‘10’ and click ‘ OK ’. Figure 2-20 . C[...]

38 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion ‘10’, you can send the *IDN? command and verify the respons e from the instr um ent. Figure 2 -21. Connec ting t o GPIB Address 10 us ing Int eract ive IO. Adding Additional I nstruments Additiona l instruments ar e added to the GPIB configura tion using the process de scr[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 39 Firmware Updates Firmware upda t es f or the L4400 se ries inst ruments con sist of updat es to the instr ument ca rrie r fir m ware, and if necessar y , an updat e o f th e instr u ment modul e firmware. The updates are m ade a vailabl e vi a t he W eb. The fi rmware is inst al[...]

40 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Downloa ding and Installing the I nstrume nt Firmware Once the util ity is saved, return to t he W e b page and click on: A gil ent F irmware Rev ision < re v isi o n n um b e r > Sa v e the fir mwar e fi le to a di rec tor y on y o ur PC (e. g. T em p) . N ote th e di r[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 41 Click ‘Ne xt’ un til the windo w shown in Figure 2-22 appea rs. Figure 2 -22. Firmware Update Utility Fir m ware File S electi on. 2 . U sin g the ‘Br o wse’ but ton, spe ci fy the p ath to th e fi rmwa re fi l e and then cli ck ‘Ne xt’. NOTE Th e ‘ Ap plic able Mo[...]

42 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion 3. Sel ect t he I / O interfac e to be used to upgrade t he i n st rument fi rmware an d then se lect ‘ N ext’ ( Fig ure 2- 23). Figure 2-23. Select ing the Inst rument Interface. 4. If the LAN inte rface is se lected (Fig ure 2 - 23), enter the inst rument host name o r I[...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 43 The firmwar e update proce ss t ak es seve ral minutes. Th e instrument ’s fron t pane l A TTN indi cator w ill f lash green whi le the u pdate i s in pr ogress. Figure 2-23. E ntering t he Ins trument Host Na m e or IP Address. Wh en the update to th e ins t rume nt c arri e [...]

44 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion Figure 2-24 . Instrument Firm ware Up da te Compl ete. 5. Once t he ca rrier upd at e AND ins t rument sub- assembl y update ( i f on e occur s) co mplete and no in stru me nt activ ity is indic ated by th e front pan el LEDs, cy cl e po wer on th e ins t rument. On ce the po [...]

Software I nstallation and Conf iguration 2 L44 00 Use r’s Guid e 45 Instrum ent Powe r-On a nd Def ault LA N Con figuration S tates The L4 400 s eries instrument s co vere d in t hi s user’ s guide are se t t o their po we r on and preset states u sing any one the f ollo wing com mands: *RST SYST em:C PON 1 SYST em:P RES et Tab le 2- 3 lis ts [...]

46 L 4400 U ser’ s G uide 2 Software Ins tallat ion and Configura tion T able 2-4. De fault LAN Conf igurati on S et tings. LAN Parameter Default (Reset ) Set t ing DHCP ON Au tom at ic IP Ad dr es sing ON IP Set tings if DHCP Serv er Unavail able IP Address: 1 69.254.44. 88 (defaul t) Subnet Mask: 255.255 . 0.0 Defaul t Gat eway: 0.0 . 0.0 DNS S[...]

47 Agi lent L44 00 LXI Clas s C In stru men ts Use r’ s Gu ide Agilent T echno logies 3 Ope rating and Pr ogramm ing L4400 In strumen t Fron t Pane l Overv iew 48 L4400 In strumen t Rear Panel O verview 50 L4400 Se ries Ch annel Ad dressing S chem e 52 Int ro du c ti on to t h e SC P I C om m an d L an g ua g e 52 L4400 SC PI Comm and Summ ary 55[...]

48 L4400 U s er’s G uide 3 Operatin g and Programming L4400 Ins trume nt Front Panel O vervie w LXI in s trumen ts w ithi n the the L 44 00 f amil y co ns is t o f th e in st r u men t carrier , an ins t rument sub- asse mbly , and if appl icable , a wir ing terminal bl ock. Th e fro nt p anel of a n L4400 instrument i s sho wn in Fi gure 3 - 1. [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 49 T able 3-1. L4 400 LE D Definiti ons and I nstrument S t atus. LED C ol or Conditio n AT T N LAN PWR Off Off Off Instrument is not turned on, and may or may not be conne cted to line power . AT T N LAN PWR flashing flashing Gree n Power-on/boot - u p. A TTN and LAN will flash red and then gree[...]

50 L4400 U s er’s G uide 3 Operatin g and Programming L4 400 Ins tr um ent Rear Pan el Over v iew T h e r e a r p a n e l o f a n L 4 4 0 0 s e r i e s i n s t r u m e n t i s s h o w n i n F i g u r e 3 - 2 . N o t e that the ports and connectors avail able are b ased on t he i nstrument’s option s an d fun ctional ity. Figure 3- 2 . L440 0 In[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 51 Ext T r i g/Alarms/D IO Port The external tri gger , alarms, and DI O port enable s you to synch ro nize scan ning be t w een a switchi ng ins t rument su ch as the L44 21A and an exte rnal DMM. The port also al lo w s y ou to output al arm sign als to an exte r nal de vice or co n tr ol syste[...]

52 L4400 U s er’s G uide 3 Operatin g and Programming m u s t b e u s e d w h e n c o n n e c t i n g t h e L 4 4 0 0 i n s t r u m e n t d i r e c t l y ( w i t h o u t a swi tch or r outer) to the com puter . Se e “Con necti n g the L AN Cabl es” in Chapter 2 for more inf ormation. L4400 Se ries Ch anne l Add ress ing S chem e The ch annel [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 53 ROU Te i s the roo t k eyw ord of the command, M ONito r is a sec ond- lev el k ey- words , CH A Nn e l i s a t h ird - level keywo rd, an d so o n. A co lon ( : ) sep a ra te s a c ommand k eyw ord f r om a lo wer - le vel ke yw ord. Syntax C onvent ions The S CPI synt ax con v e nt ion can b[...]

54 L4400 U s er’s G uide 3 Operatin g and Programming Co mman d Se pa ra tors A c olon ( : ) i s used t o separa te a command k eywor d fr om a lo w er - le ve l k ey- w or d. A bla nk sp ac e sepa r ates the k ey w or d fr om the fi rst para me ter . If a co mman d has mo r e than o ne pa ram ete r , the sub seq uent para me ters ar e se p- arat[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 55 Specifying Channel Lists and Scan List s A command’ s channel list (< ch_list>) or scan list (<s can_list>) parame ter is used to specify a s ingle c hannel, multiple channels, or a range of channels. The channel and s can lists must be preceded with the "@" symbol and [...]

56 L4400 U s er’s G uide 3 Operatin g and Programming Ta bl e 3-3. L440 0 Se rie s SC PI C omm and S umm ary . Subsystem Commands ST A T us *CLS *ESE <enable_ value> *ESE? *ESR? *SRE <enable_v alue> *SRE? *STB? ST A T us:MODule : ENABle <enabl e_val ue> ST A T us:MODule:ENABle? ST A T us:MODule:EVENt? ST A T us:MODule :SLOT1:CON[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 57 I EEE- 488 Commands *CLS *ESE <enable _value> *ESE? *ESR? *IDN? *OPC *OPC? *RCL {1|2|3| 4|5} *RST *SA V { 1| 2|3|4|5} *SRE <enable _value> *SRE? *STB? *TRG *TST ? *W AI SYST em (Sy stem-Rela ted Comman ds) *IDN? *RST *TST SYST em:CDEScripti on[:LONG]? 1 SYST em:CDEScripti on:SHORt?[...]

58 L4400 U s er’s G uide 3 Operatin g and Programming SYST em (LAN Configuration) SYST em: COMMunicat e:LAN:AUTOi p { OFF|0 |ON|1} SYST em: COMMunicat e:LAN:AUTOi p? SYST em: COMMunicat e:LAN: BST atus? SYST em: COMMunicat e:LAN:CONT rol? SYST em: COMMunicat e:LAN:DHCP {OFF|0|ON|1 } SYST em: COMMunicat e:LAN:DHCP? SYST em: COMMuni cate: LAN:DNS ?[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 59 L4400 Se ri es P rogramm ing Examp l es The L440 0 seri es Pr oduct Ref erenc e CD- R OM (part numb er 34989 - 13601) c ont a ins pr ogamming exampl es to fami li arize y ou with the o peration of sel ected L4400 instruments. Once comm unicati on p at hs to the i nst rument s have be e n se t [...]

60 L4400 U s er’s G uide 3 Operatin g and Programming C# Once t he de velopmen t envir onment op ens, sel ect the ex ample sour ce code file ( .cs e xte nsion) o f the sam e name. Lo cate th e “ In iti aliz e ” function and chan ge the address str ing. Figure 3- 5 sho ws whe re the addres s stri ng is chang ed wi th in th e so urce code f o r[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 61 Figure 3- 6 is an exa mple of the windo w used du ring pro g ram ex ecutio n to c hange the ad dress st ring. Figure 3 -6. Changi ng the Addr ess St ring (IVI-COM / Visua l Basic.NET). Visual Basic 6.0 T o mod ify IV I - COM e xam ples w ith Vis ual Basic 6 .0, open t h e ex ampl e by d oub le[...]

62 L4400 U s er’s G uide 3 Operatin g and Programming Locate “ Ini tWit hO pt ions ” and change the add ress st ring as sho wn in the exa mp le o f F ig ure 3 - 7 . Figure 3- 7 . Changi ng the Instrument Addr e ss S tring ( IVI-C Pr ograms). Modi fying VISA and VISA COM Exam ples Agile nt VISA exam ples are a vai lable with the Micr osoft Vis[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 63 Locate “ DE FAUL T_ LO GIC AL_A DD RE SS ” an d c hange the ad dress s tri ng as sh o w n i n t h e e x ampl e o f F ig ur e 3 - 8. Figure 3 -8. Cha nging the Instrument Addre ss S tring ( VISA Pr ograms). Visual Basic 6.0 T o mod ify V ISA examples with Visual Basic 6.0, open the exam ple[...]

64 L4400 U s er’s G uide 3 Operatin g and Programming Once t he Vi sual B as ic envi r onment ope ns, s tar t the pr og ram usi ng the “Start” arro w sho wn in Figure 3- 9 . The program pro mpts y o u fo r t he ins tr u me nt ad dr es s as sh own . Figure 3 -9. Cha nging the Address S trin g (VISA COM Progra ms). Using L4400 Instruments in Ag[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 65 Becaus e of t he s imilarity in produ cts, cod e an d appl ications ca n be l ever aged a nd ported be tw een an L4 400 ins trument an d it s 349 80A modul e co un t e rp a r t . Por ting Appl ications The pr ogrammin g e xamples on the L4400 P r oduct Refe rence CD - ROM as wel l a s all a pp[...]

66 L4400 U s er’s G uide 3 Operatin g and Programming Environme ntal Operating Conditions Th e L44 00 se r ie s in st r u m en ts a r e d esi gn ed t o o p era t e i n a te mp er at ur e ran ge of 0 ° C to +55 ° C with no n - condensin g humid ity. Th e maxi mum humi dity is 8 0 % a t 4 0 ° C o r h i g h e r . D o n o t u s e i n l o c a t i o[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 67 The li ghtnin g- caused transien t o v erv olt ages that may occasional ly occur on mai n s po wer outlets ma y be as high as 2500 Vpeak . High Energy Sources Th e Ana log B use s ar e de si gn ed to ha nd l e i np ut s up to the ir ra ted c u rre n t s or their rat ed p ow ers, whiche v er i [...]

68 L4400 U s er’s G uide 3 Operatin g and Programming • The si mu lati on sett ing is sto red in vo lati le memory and wi ll be lost whe n po we r is t urned off. T o re- e nable t he si mulati on mode after po w er has bee n off, you must s end the comma nd aga in. T he comma nd use d is: SYSTem:ABUS:INTerlock:SIMulate {OFF|ON} Us er-D efin ed[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 69 Th e fol lowin g co mm a nd cl ea rs a ll u ser- d e f in e d ch a nn e l l ab el s on t h e inst rum ent an d resto res the fac t ory - def ault label s. ROUT:CHAN:LABEL:CLEAR:MOD 1 Scanni ng Applic atio ns Usage : • L4421 A 40 - Cha nne l Arm a ture M ult iple xer • L4450A 64- Bit Digit [...]

70 L4400 U s er’s G uide 3 Operatin g and Programming • Each tim e yo u star t a ne w sc an, the i nst rument cle ars all readings (in cl u ding alarm da t a) stor ed in readi ng memor y from the pre vious sca n. Ther ef ore, the content s of memory are alwa ys fr om t he mos t recent sc an. • Th e An al og Bu s rel ays a re a ut om a tic a l[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 71 • If a sc an in clu des a rea d of the total izer , the cou n t i s rese t eac h time it is r ead duri ng the sc an on ly when t he to t ali zer reset mode is enable d. • A t t he en d of the scan, the la st chan nel t hat was scann ed wi ll be opened (as well as any Analog Bus rela ys use[...]

72 L4400 U s er’s G uide 3 Operatin g and Programming Scan T rigg er Source Usage : • L442 1A 40- Chann el A rmatur e Mu lti pl ex er • L4450A 64- Bit D igita l I/O (digita l input, counter channels only) • L4452A Multifunction Module (digital input, totalizer channels only) Y ou can conf igure t he ev e nt or action tha t controls th e ons[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 73 • Mx+B sc aling an d alarm lim its ( L4450A, L4452A) are appli ed to measu rements duri n g a scan an d a ll d at a is stored in v olati le me m ory. • The CONFigure and MEASure? commands ( L4450A, L4 452A) a utomatical ly s et the sca n in terv al to i mme d i ate ( 0 sec o nds) a nd the [...]

74 L4400 U s er’s G uide 3 Operatin g and Programming Scanning on Alarm Usage : • L445 0A 64- Bit D igital I/ O ( counte r chan nels only) • L4452A Multifunction Module (tot alizer channels only) In this conf igura tion, t he instr ume nt ini tiates a scan each time a read ing cr osses an alarm limit on a chan nel. Y ou can also as sign alarm[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 75 Not e : T o stop a sca n , send the ABORt co mmand. Externa lly T riggeri ng a S can In this conf igura tion, th e instr um ent sweeps t hrough th e sca n list once e ach time a lo w- goi ng TTL pulse is rece iv ed on the rear - panel Ext Tri g Inp u t line (pin 6). • Y o u ca n s p ec if y [...]

76 L4400 U s er’s G uide 3 Operatin g and Programming • Y ou can store a t least 500,000 r eadings in memory and a ll re adings are automa ti cal ly t ime stam ped. If me mor y ov erf lo ws, the n ew reading s wi ll o verwrite the first (old est) read ings store d; t he most recent re adings are alwa ys pre serv ed. • Y ou can specify a trig [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 77 • Y o u can spe cify a sw eep count in con juncti on with a t rigg er coun t and a samp le co u nt . Th e t h r ee pa r ame t e rs op er at e i n d epe n den t o f on e an ot he r , a n d the to tal n umber of re adin gs re tu rne d will be the pro duc t o f the thr ee parameters . • Y ou [...]

78 L4400 U s er’s G uide 3 Operatin g and Programming Fig ur e 3- 12. Ch ann el De la y . • Y ou can se t the channel dela y to an y val ue betw een 0 sec onds and 60 seconds, with 1 ms resol ution. Y ou can sele ct a di f f erent dela y f or each channe l. • Y ou can se lect a un ique d ela y f or ev e r y chann el on the mod ule. • Th e c[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 79 Read i ng Fo r mat Usage : • L4450A 64- Bit Digit al I/O (digit al input, counte r chann els only) • L4452A Multifunction Module (digital inpu t, tot alizer channels only) Duri ng a sc an, the inst ru men t automatical ly adds a time stam p to all readings and st ores th em in me mor y . E[...]

80 L4400 U s er’s G uide 3 Operatin g and Programming • If yo u defi ne a scan l ist wi th the se q uen tial mo de enabled and later di s ab le the mode , th e sca n li st wi l l no t be reo r der ed ; ho w e ve r , th e sca n l is t will be trea ted as a non- seque n ti al l i st thereafter . • I f y o u h a v e d e f i n e d a s c a n l i s[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 81 • The Moni tor mode i s au to matical ly en abled on all ch an ne ls that are p ar t o f the ac tiv e s can li st. If y ou de f in e the s ca n l is t a fter mon itor ing has a lready bee n enable d, an y channels that are n ot part of the act iv e scan li st wi ll be ig nore d duri n g the [...]

82 L4400 U s er’s G uide 3 Operatin g and Programming Figure 3-1 3. S canni ng with External Instrument s. Fig ure 3- 1 4 shows the co nnectio ns requir ed to make a series (scan) of tw o- wire measureme nts (e.g . ohms, D CV) usi ng ABus1 of the L442 1A . Sequ en ce T he L442 1A outputs a Channel Clo sed pulse on pin 5 of its Ext Trig c o n n e [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 83 This handshak e seq uen ce conti nues until all channels are scanned and t he p rogramme d numbe r of passes ( sweeps ) thro ugh t he s can li st are compl et e . Figure 3-1 4. E xterna l Scanning Using the L4421A a nd a DMM. • In th is conf igu ratio n, y ou m us t set up a sc a n li st to [...]

84 L4400 U s er’s G uide 3 Operatin g and Programming • Y ou can co nf igure t he list of c hanne ls for 4-wire exte rnal scan ning. Wh en enabl ed, the inst r ument automat icall y pair s ch annel n in Bank 1 with channe l n+20 in B an k 2 t o p rovid e t h e so urc e an d se n se co nn ect i on s. For e xa m ple , ma k e the sou r ce con nec [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 85 • If an alarm ev ent occurs on a channel as it is being sc anned, then that c hannel ’s alarm status is stor ed in inst rument memor y as the readin gs are ta k e n. Each read ing t hat is outside th e specif ied alar m limits is logged in memory. Y ou can st ore at least 50 0,000 r eading[...]

86 L4400 U s er’s G uide 3 Operatin g and Programming • T w o TTL alarm out puts ar e avai l able o n the rear - panel Al ar ms connector (Figur e 3- 4). Y ou can use the se hard ware output s t o trig ger external alarm ligh t s, sir e ns , or s en d a T T L p u lse t o yo u r co n tro l sy st e m . Y ou ca n a l so ini tia te a s can s wee p [...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 87 Use CALC:COMP:MASK to designa te the “don’t c are” bits . Bits tha t you set to “0” in the m ask ar e ignore d. T o enabl e th e specif ied a lar m mod e, sen d th e foll owi ng c o mma n d. CALCulate:COMPare:STATe ON,(@< ch_list >) Example: Configuring an Alarm on a Digital In[...]

88 L4400 U s er’s G uide 3 Operatin g and Programming Using t he A larm Outp ut Lin es As ment ioned, there are t wo T TL alarm lines a vailable on the rear - panel Alarms connector . Each alarm out put line r epresent s the l ogical “ OR” of al l channel s assi gned to that alarm number (an al ar m on any of t he assoc iated ch a nne ls wi l[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 89 T o clear the sp ecified output lin e (o r to cl ear both l ines), use one of the fo l l ow i n g c o m m a n ds . T o selec t t he out put configurat ion f or th e out put line s, use the f o llo wing c ommand. OUTPut:ALARm:MODE {LATCh|TRACk} T o confi gure the slope o f the o utput li nes , [...]

90 L4400 U s er’s G uide 3 Operatin g and Programming Defining a Seque nce A se q uen ce defi nes a seri es of SCPI commands wi th an as sociated name. When the s equence is fir st de f ined , the commands are co mpi led an d the n s t o r e d i n a c o m p r e s s e d f o rm a t i n n o n - v o l a t i l e m e m o r y . T h e f o l l o w i n g S[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 91 L444 5A ROUTe:ClOSe (@<ch_list>) ROUTe:OPEN (@< ch_list >) ROUTe:MODule:WAIT {1|ALL} ROUTe:SEQuence:TRIGger[:IMMediate] < name > SYSTem:DELay[:IMMediate] < time > ABORt L445 0A [SENSe:]TOTalize:CLEar:IMMediate (@< ch_list >) SOURc e:DIGital :DATA[:{B YTE|1|WOR D|2[...]

92 L4400 U s er’s G uide 3 Operatin g and Programming • When a seq uence is defined , the s pecifi ed comman ds are check ed fo r pr oper s ynt ax and absolute pa rameter ran ge li m its. If an err or is de t ected duri ng compi l a tion, th e entir e sequence w ill b e dis car ded. More e xt ensiv e error che cking, suc h as channe l range exp[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 93 Que rying t he S equ ence Defi nit ion Once y ou ha ve defined a sequence, you can quer y the de f initi on to r e v i e w w h a t S C P I c o m m a n d s h a v e b e e n a s s i g n e d . • The ex act te xt spec ifie d in the origin al seque nce de finit ion is not p reser ved when the sequ[...]

94 L4400 U s er’s G uide 3 Operatin g and Programming • A seq ue nce ma y in vok e an other se quence. but ma y no t inv ok e its elf re cur s i v el y. In addi ti on , the nu mbe r of inv oc atio ns is l imi te d to fou r lev els of n est ing and th is i s e n f orced at the time of ex ecuti on. Ex ceed i ng t he li mit will abor t the sequenc[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 95 The fol lo wing pr ogram segment selects the alarm sour ce and configures the inst rument (L445 0A) to ex ec ute the sequence na med “TOTA L_1” when an a l a r m ( c o u n t o f 5 0 ) i s r e p o r t e d o n A l a r m 1 . T h e M o n i t o r m o d e i s u s e d t o evaluate alarm cond itio[...]

96 L4400 U s er’s G uide 3 Operatin g and Programming MYSEQ_1,PATH_DUT1,SW_PATH2 If no se q uen ce name s hav e been stored , a nul l st ring (“ ”) st ring is return ed. Inst ru ment Stat e Storage Usage : • All L4400 Series Inst rum ents The L440 0 series instrument s ha ve five storage locat ions i n non- v ola tile memory numbe red 1 thr[...]

Operating a nd Programming 3 L44 00 Use r’s Guid e 97 Error Conditions Usage : • Al l L 4400 Se ries I nst ruments When the L440 0 instrument’ s fr ont panel A TTN LED i s red, one or mo re c o m m a n d s y n ta x o r h a r d w a r e e rr o r s ha v e b e e n d e t e c te d . A r e c o r d o f u p t o 2 0 e r r o r s c a n b e s t o r e d i [...]

98 L4400 U s er’s G uide 3 Operatin g and Programming Relay Cy cle Cou nt Usage : • L442 1A 40- Chann el A rmatur e Mu lti pl ex er • L443 3A Dual/Quad 4x8 Reed M atri x • L4437 A General P urpose Switch • L444 5A Micro wav e Switch /At t enuator T h e n u m b e r o f r e l a y c y c l e s c a n b e d e t e r m i n e d t o h e l p y o u p[...]

99 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 4 L44 21A 40- Chan nel Arm atu re Mult ipl exe r Low Fre que nc y Mu lt iple xe r Sw itch Ins tr ume nt 100 L4421A M easu remen t Func tions 100 L4421A S CP I Comm an d Su mmar y 101 L4421A E xam ple Program Segm ent s 103 L4421A 4 0-Ch annel Armat ur e Multip [...]

100 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer Low F reque ncy Mu ltipl exe r Switc h Inst rumen t Th e L4 4 21A low fr eq ue n cy mult i ple xer ( MU X) swi t ch mo d ule fea tur es two bank s of cha nnels th at prov ide broad mu ltiple xing and me asuring capa bilit ies. Y ou can close mo re than one c hannel i n each b an[...]

L4421 A 40-Channel Arma ture Multip lexer 4 L44 00 Use r’s Guid e 101 T a ble 4- 1. L4421A S upported M ea surement Function s . L4421A SCP I Command Summa ry T ab l e 4 - 2 l is ts the ins t rume nt- spec ifi c SCPI comm an ds tha t app ly to th e L4421 A 40- chann el Armat ure Mult iple xer . Tab le 3 - 3 (Chapter 3) list s t he SCPI comm ands [...]

102 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer (Switc h Con trol) (Sequence O per at ion ) ROUT e: CHANnel: DELay:AUT O {OFF|0|ON|1}, (@ch _list) ROUT e: CHANnel: DELay:AUT O? ( @<ch_l ist>) ROUT e: CHANnel: FWIRe {OFF|0|ON|1 } , (@<ch_li st>) ROUT e:SCAN (@<scan _list>) ROUT e: SCAN? ROUT e: SCAN:ADD (@<[...]

L4421 A 40-Channel Arma ture Multip lexer 4 L44 00 Use r’s Guid e 103 L4421A Exam ple Program S e gments The fo llo wi ng sect ion s contain exa mple program s egment s of comm only use d instru me nt funct ions. F o r d et ailed exa mple prog ra ms invol ving mu ltiple dr ivers and d eve lopm ent env iro n m e nts , re fer t o t h e L 4 4 00 Pro[...]

104 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer Example: Qu erying channels for open or close sta te The f o llo wing c omman d ret u rns a 1 ( true) or 0 (false ) state of ch annel 036. ROUT e: CL OSe (@1 03 6) ROUT e: CL OSe ? (@10 36 ) !R etu rns a 1 ROUT e: OP EN? (@1 03 6) ! Retur ns a 0 Exa mpl e: Q ueryin g the Identi [...]

L4421 A 40-Channel Arma ture Multip lexer 4 L44 00 Use r’s Guid e 105 the curren t ( I ) an d LO (L) t ermina ls of ABus1. Thr ough ABus1 and ABus 2 y ou can connect an y of the channe ls to a DMM for vol t age or res istance measu rements. Ref er to t he si mplifi ed sch ematic on page 1 06 . Y ou can co n tr ol eac h of th e chan nel switches i[...]

106 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer L4421A Simp lified Sche matic Thi s dra wing sho w s the L4421 A conf igur ed as two i ndependen t 20- ch annel 2- w ir e M UXe s. 026 027 028 029 030 AB u s 2 DM M (SENS) ABu s3 ABu s 4 931 923 913 914 924 922 912 911 921 DMM (MEAS) L 001 002 003 004 005 H L 006 007 008 009 010[...]

L4421 A 40-Channel Arma ture Multip lexer 4 L44 00 Use r’s Guid e 107 L4421A D-Sub Conne ctors Bank 1 Bank 2 Fo r or ien tati on, t he D- sub co nn ector end of t he mo du le is fa cin g yo u. Bank 2 Bank 1 17L 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 [...]

108 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer 34921T T ermin al Block This te rm inal bloc k with s crew- typ e connec tions is labele d with t he mo del number and the abb re via t ed modul e name. The 34921T is the only ter mina l block t ha t pro v ides a n isoth er mal bl ock with te mperat ur e ref erence for thermocou[...]

L4421 A 40-Channel Arma ture Multip lexer 4 L44 00 Use r’s Guid e 109 3492 1 T T erm ina l Blo ck. Wa rn i ng -the i nsulation of the wiring u s ed with the termin al block mus t be rated for the hi ghest vol tage that will be present on the ter minal bl ock or on the ana log bus.[...]

110 L4400 U s er’s G uide 4 L4421 A 40-Channel Armature Mult iplexer THIS P AGE INTENTIONALL Y BLANK[...]

111 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 5 L44 33A Dual /Qua d 4x 8 Reed M atrix Ma trix Swit ch I ns trume n t 112 L4433A S CP I Comm an d Su mmar y 113 L4433A E xam ple Program Segm ent s 114 Linking Multiple L4433 A Instr uments 116 L4433A D u al/Quad 4x8 Re ed Ma trix H ardwar e De scription 118 [...]

112 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x Matrix S witch Ins trume nt The L4433A Du al/Quad 4 x8 Reed Matri x swi tch off ers a conv enient wa y fo r y o u to connect m ultipl e instr u ment s to multip le poin ts on y our DUT . F or a lo wer cos t a nd better sp ecificat i on alte rnativ e, y ou can connect b oth t he L443[...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 113 L4433A SCP I Command Summa ry Tab le 5-1 l ists the inst rument- spec ific SCPI co mmands that appl y to the L4433 A Dual/Quad 4x8 Reed Mat rix. T able 3- 3 ( Chapt er 3) li sts th e SCPI c ommands that appl y to all L4400 series instru ments. F or complet e inf ormation on all SCPI [...]

114 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x L44 33A Exampl e Program Se gmen ts The follo wing s ections c ont ain ex ample progra m s egments of com monly us ed instr ument f unctio ns. . The c hannel addre ssing sch eme u sed in the se exam ples f ollo w the general fo r m 1 ccc wh ere cc c is th e t hr e e- dig it ch an ne[...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 115 Open ing and Closing Channels Ex ample: Clos ing and o peni ng mat rix channe ls ( two- wi re mo de ) Th e fo llow in g c ommands c lose and ope n channe ls 311 and 3 12 throu gh 315 of th e L443 3A i n 2 - w i r e m o d e . T h e c h a n n e l n u m b e r r e p r e s e n t s t h e m[...]

116 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x Example: Qu erying channels for open or close sta te The f o llo wing c omman d ret u rns a 1 ( true) or 0 (false ) state of ch annel 204. ROUT e: CL OSe (@1 20 4) ROUT e: CL OSe ? (@12 04 ) !R etu rns a 1 ROUT e: OP EN? (@1 20 4) ! Retur ns a 0 Ex ample: Queryi ng t he syst em for [...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 117 N ote that the pr esence of in- r ush re sist ors on the analo g b usse s and c olumns re q uir e addi tional cons iderati on, and y ou must tak e care when link in g m ult ip le L 4 433 As . Se e t h e si mpli fi e d sc he m ati cs on pa g e 1 20 and pag e 1 24 . 1 2 3 4 1 2 3 4 123[...]

118 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x L4433A Dual/Quad 4x8 R eed Matrix Hardware Descripti on Y ou can confi gure th e L4433 A dual/q uad 4x8 r eed mat rix f or 2- wire (dif ferential ) mode or 1- w ire (sin g le- ende d) mod e. The L443 3A cont ains 100 Ω in - ru sh res is tor s th at are use d to p r otec t the reed[...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 119 One -Wi re M od e T o ph ysical ly conf igure t he mod ule in 1- wir e mode, use the 349 33T- 002 term in al block, or a c ompat ible st andar d or cus t om ca ble. I f usi ng a standar d or custom cab le, make sure y ou conn ect in terlock pins 17 and 33 on th e Ma trix 2 D- sub con[...]

120 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x L4433A Simp lified Schem atic for T wo- Wire Mode Row 8 Row 7 Row 6 C2L C2L bypas s L C8L bypas s L C8 L C2H C2H bypas s H H L L L L H H H C1H C1H bypas s H C1L C1 L bypa s s L C8H C8H by pa s s H C1L C1 L bypa s s L C8H C8H bypass H C2L C2L bypas s L C8L bypas s L C8 L H L L L L H [...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 121 L4433A D-Sub Conne ctors for T wo- Wire Mode Matri x 1 Matri x 2 Fo r or ien tati on, t he D- sub co nn ector end of t he mo du le is fa cin g yo u. Mat rix 1 Ma t ri x 2 NOTE: • In this diag ram and t he tab le below , R repr esen ts “row ,” and C re presents “co lum n. ” [...]

122 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x 34933T -001 T erminal B lock for T wo- Wire Mod e This te rm inal bloc k with s crew- typ e connec tions is labele d with t he mo del number and the abb re via t ed modul e name. NOTE All mo du les tha t c on nect t o the an alo g bu s a re in ter lo ck p rot ec ted . Th is mean s t[...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 123 When using the 349 33T terminal bl ock f or 2- wire mo de, acces s is pro vided t o th e byp ass co lu m ns t hrou gh t he c olu m ns la be le d C 9 t h rou g h C1 6 . Follow th i s wi ring convent ion sho wn in the tabl e belo w f or both matri ces. Alt houg h columns a re num bered[...]

124 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x L4433A Simp lified Schem atic for One- Wir e Mode H H H H ABus1 DMM ( MEAS) 921 ABus2 DMM (SEN S) 922 ABus3 923 ABus4 924 H H L L H H L L H H H H 2C2 L 2C2 bypass 2C8 2C8 bypas s 2C1 2C1 bypass L L H H 1C2 1C2 bypass 1C8 1C8 bypass 1C1 1C1 bypass 3C2 3C2 bypass 3C8 3C8 bypass 3C1 3C[...]

L4433A Dual/ Qua d 4x8 Reed M atrix 5 L44 00 Use r’s Guid e 125 L4433A D-Sub Conne ctors for One- Wire Mode Matrice s 1 and 2 Matrice s 3 and 4 For or ienta tion, the D-s ub co nnect or end of th e modu le is facin g you. Matr ices 3 & 4 Matr ices 1 & 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC 1C4 2C 4 1R4 2R 4 1C5 2 C 5 NC NC 1C7 2 C[...]

126 L4400 U s er’s G uide 5 L4433A Dual/ Qu ad 4x8 Ree d Matri x 34933T -002 T erminal B lock for One- Wire Mode This te rm inal bloc k with s crew- typ e connec tions is labele d with t he mo del number and the abb re via t ed modul e name. NOTE All mo du les tha t c on nect t o the an alo g bu s a re in ter lo ck p rot ec ted . Th is mean s t h[...]

127 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 6 L44 37A General Purpose Swit ch Ge n e ra l P u rp o s e S wi t c h I n s t ru m en t 128 L4437A S CP I Comm an d Su mmar y 130 L4437A E xam ple Program Segm ent s 131 L4437A 3 2-Chan nel Ge neral P urpo se Sw itch Hard ware Descrip tion 13 2[...]

128 L4400 U s er’s G uide 6 L4437A Gene ral Pu rpos e Sw itch General Purpose Switc h Instrument The L4437 A General Purp ose (GP) switch ca n be use d to rou t e si gn als o r contr ol other s ystem dev ices. • The L4437 A pro vides in depend ent con trol of 32 l atchi ng r ela ys: • T w enty- eight F orm C rela ys rated f or 1 A at 60 W per[...]

L4437A Gene ra l Purpos e Switc h 6 L44 00 Use r’s Guid e 129 Fig ure 6-1. 5A Re l ay P o wer -Do wn State Jum per. WA R N I N G Do not conn ect the L4437 A direc tly to a mains p owe r outl et. If it is neces sary to s w it ch a mains vo lt age or any ci rcuit wher e a larg e inductive loa d m ay be switched, you must add signal conditioning ele[...]

130 L4400 U s er’s G uide 6 L4437A Gene ral Pu rpos e Sw itch L44 37A SCPI Command Summary Table 6-1 lis t s the in strument-s pecific SCPI commands that apply to t he L4437A Gener al Purpose S w itch In strument. Table 3-3 ( Chapter 3) list s the SCPI commands that apply to al l L4400 seri es ins truments. F or complete inf orm ation on all SCPI[...]

L4437A Gene ra l Purpos e Switc h 6 L44 00 Use r’s Guid e 131 L4437A Exam ple Program S e gments The fo llo wi ng sect ion s contain exa mple program s egment s of comm only use d instru me nt funct ions. Th e cha nn el a d dr es si ng sc h em e u s e d i n t he s e se g me n ts follow t h e for m 1ccc wher e cc c is th e cha nnel numb er . F o r[...]

132 L4400 U s er’s G uide 6 L4437A Gene ral Pu rpos e Sw itch Ex ample: Clea ri ng t he cy cle coun t for a rela y (a ll s wit ch modu les) T h e fo llowi ng comman d reset s the rela y cy cle coun t on channel s 7 an d 16. DIAG no st ic: RELa y: CY CL es:CL Ea r (@ 10 07,1 016 ) Exam pl e: Rese ttin g the I nstr um ent to it s pow er-o n st ate [...]

L4437A Gene ra l Purpos e Switc h 6 L44 00 Use r’s Guid e 133 L4437A D-Sub Conne ctors Bank 1 Bank 2 For orie ntat ion, the D-s ub conn ector end o f the mo dule is f ac ing you . Ba nk 1 Bank 2 18 19 20 21 22 23 24 25 26 27 2 8 29 30 31 32 33 1 2 3 4 5 6 7 8 9 1 01 11 21 31 4 1 51 61 7 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 3NO 13NC [...]

134 L4400 U s er’s G uide 6 L4437A Gene ral Pu rpos e Sw itch 34937T T ermin al Block This te rm inal bloc k with s crew- typ e connec tions is labele d with t he mo del number and the abb re via t ed modul e name. L4 437A T ermin al Bl ock. Pads for user- suppl ied snubbe r circuit y to a lleviate re active tran sients. The circu its may con sis[...]

135 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 7 Micr ow av e Swit c h/At ten u ator Dr iver L4445 A SC PI Com ma nd Sum mary 136 L4445 A Mi crowa ve Swit ch/A ttenu ator Dr iver 138 Reco mmende d Switc hes and At tenuato rs 14 1 Po wer S up p lies 142 Ch ann el Nu mbe rin g 143 Simple Switch Cont rol 144 [...]

136 L 4400 U ser’ s G uide 7 L4445 A Microwav e Switch/At tenuator Driver L44 45A SCPI Command Summary Table 7-1 lis t s the in strument-s pecific SCPI commands that apply to t he L4445A M ic ro wav e Swi tch / A ttenuator Dri ver I nst rument. T able 3- 3 (Ch apter 3) l ist s the SCPI commands that appl y t o all L4400 seri es ins t rument s. F [...]

L4445A M icro wave Sw itc h/Atte nu ator Dr iver 7 L44 00 Use r’s Guid e 137 (Sequence O per at ion ) ROUT e: OPEN (@<ch_li s t>) ROUT e: OPEN? (@<ch_l ist>) ROUT e: OPEN:ALL 1 ROUT e: OPERati on:OVERlap[: ENABle] {OFF|0|ON|1} ROUT e: OPERati on:OVERlap[: ENABle]? ROUT e: RMODule: BANK:DRIV e[:MODE] {TTL|OCOLlect or}, {1- 4|BANK1-BANK[...]

138 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river L44 45A Microw ave Sw itch /Att enuator Dr ive r The L44 45A cons ist s of a driv er int e rface ins trument (L 4445A) and one or mor e re mote modu les (349 45EXT). The f irst remote mo dule i s elect ric all y att ached to t he driver instru me nt using a prov ided cab le (eq[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 139 Figure 7- 1 sho ws the com ponents of t he L4445A micro wa ve sw itch/atte nuator driver conf igur ation. The L 4445A d river is sho wn co nnecte d to a sing le 34945 E X T remote modu le. Figure 7 -1. L4 4 45A Microwave Switch / Attenuator Driver Configura tion. • [...]

140 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Figure7- 2 is a l abele d dra w in g of the 34 945EXT remote module. Figure 7 -2. The 34945EXT Module . Each 34945EXT has an I/O Acc ess LE D used to in dicate t ransactio ns bet we en the L4 445A an d the 3 494 5EXT modul e. When po we r is firs t appl ied to a 34945 E XT mo d[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 141 Rec ommende d Swi tches and Attenua tors The re commended Agil ent swi t ches and atte nuators for us e with t he L44 45A ar e sho wn belo w . Inclu ded in the table is the dist ributi on boar d used f or ea ch switch or attenuator . Switch /Attenuat or Coil V oltage [...]

142 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Power Sup plies The switches an d atte nuators on the mas ter remot e modul e can be po wered fr om the L4445A or use an external po we r suppl y. All addit ional sla ve modul es must use an externa l po wer su pply. Each re mo te m odul e has a ter mi nal s trip u sed to c onn[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 143 Channel N umbering The L4445A u ses the f oll ow ing channel n umberi ng sch eme: 1< re m >< channel > wher e : rem is th e rem o te modu le be ing cont ro lled , a nd i s a sin gle d ig it i n the ra ng e of 1 to 8. channel is t he chan nel numb er on the[...]

144 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Simple Swit ch Cont rol A ll exam pl es in th is cha p ter m ak e r efe ren ce to SC PI co mma nd s f or swi tc h contr ol. T he L444 5A commands are summariz ed in Ta ble 7- 1. F or more inf orm ation , ref er t o the Pro grammer’s Refere nce h e l p f i l e i n c l u d e d [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 145 Rem ote Mo du le Iden ti fiers A speci al channel number ing method ex ist s fo r use wi t h SCPI comma nds that op erate one or more ban ks of th e re mote modu le. This addressin g us es a non- exist ent ch anne l numb er ( 00) to in dicate t he com mand s a re usef[...]

146 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Using S ingle Drive Switche s and At tenua tors Some micro wa ve switches require a single dri ve. With singl e dr iv e device s t he chann el num bering is n ot consec utive across a ll ch annels in a ba nk (re f e r t o th e c h an nel nu mbe rin g de s cri pti on o n page 14[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 147 Using D ual Drive S witches a nd Att enuat ors Many micro wave switche s and attenuators ha ve a pair ed drive in put. T ypicall y , one drive is electric ally connect ed to t he lo wer channe l numbe r in a bank and one connecte d to a correspo n di ng upper ch ann e[...]

148 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Using Pu lse Drive To use t h e pu ls e dr ive m o d e, se nd t he ROUTe:CHANnel:DRIVe:PULSe:MODE ON com mand or pair two channels wit h the ROUTe:CHANnel:DRIVe:PAIRed: MODE command. T he diagram be low ill u str at e s t he p u lse d r ive for two c h an ne ls ( sw it c h es) [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 149 Long Exe cution T ime s When confi g uri n g long c ha nnel p ulse d rive t imes an d/or p ow er s uppl y recove r y times, be a w are th at the results ma y be long exe cution tim es. For exam ple, you can set a cha nnel pul se width o f 255 ms and a re cove r y time[...]

150 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Swit ch st at e i s store d in t he in stru me nt. In co ntras t, t he ROUTe:OPEN? and ROUTe:CLOSe queries always che ck th e actual h a rdware state of th e switch f or veri f i ed c ha nn el s. F or pair ed o perati ons on the L444 5A (usi ng the ROUTe:CHANnel:DRIVe:PAIRed:MO[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 151 LED Drive The d ist ribut ion boa rds con t ain a ribbon cabl e header y ou can use to connect LEDs t o pr o vide a vis ual in dicati on of swi tch state. Th ese li nes reflect the state of th eir correspondin g ch annel’ s po sition indicator . Some systems use LED[...]

152 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Defa ult an d Rese t S tate s The L4 445A allo ws se ve ral types of reset and defaul t actions. M os t reset s rel y on s t ates sto red in non- v olat ile memor y on the remote modu les. Defaul t par ameters can be se t to ensu re the sy st em al ways r eturns to a saf e stat[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 153 SYS T e m: P RE Set , *R ST , SY S T em :C PON a n d Po w er On Thes e actions drive t he chan nel s to their d efined DEFault st at e (u si ng t he co nfigurati on stor ed on the remote module) and f or ce the sys t em to recog nize new t o po l og ies (c a u se d b [...]

154 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river This com ma nd uses s pecial ch annel ad dressing as desc ribed in “Remo te Modul e Iden tifiers ” on pa ge 14 5. This com ma nd requir es th e chan nel drive source be in order to allow exe cut i on ( ROUTe:RMODule:DRIVe:SOURce OFF ). Distrib ution Boards E a c h 3 4 9 4 5[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 155 Y1150A The Y1150A supports t he Agil ent N18 1x seri es micr o wav e switch es sho wn belo w . U p to e ight swi tches in any comb inat ion can be co nnected to each di st ri bu tio n boa rd . Y1150A Switc h Options S upport ed (R ec om m en de d op ti on s ar e s ha [...]

156 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1150A Connections Y1150A Sw itch C onnec tors SW1 Th rou gh SW 8 +VR is th e V o lta ge s o ur ce f or the R el ay +VI is the Vo ltage s ource for the LED Ind icator LED Co nnect ors Sw it ch Con nectors Pin Use Pin Use 1 GND 2 IND B 3N . C . 4 + V I 5D r i v e B 6 I N D A 7D [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 157 * 26 AW G re comm e nded for 5V coi l s wit ches Y1150A Switch Cont rol All s wi t ch e s ar e d riven in PAIRed mode Item Description Example Part N umbers Cabl e T ype 9 cond ucto r ribb on cab le, 0.0 50" pitch, 26 or 28 AWG s tran ded * 3M 3801/ 0 9 (26 AWG )[...]

158 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1150A LED Connectors LED1 a nd L ED2 1 2 15 16 LED1 Con nector LED2 Co nnector Pin Use Pin Use Pin Use Pin Use 1 +VI 2 SW1 - A 1 +V I 2 SW5 - A 3 +VI 4 SW1 - B 3 +V I 4 SW5 - B 5 +VI 6 SW2 - A 5 +V I 6 SW6 - A 7 +VI 8 SW2 - B 7 +V I 8 SW6 - B 9 +VI 10 SW3 - A 9 +V I 10 SW7 - A[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 159 Y1151A The Y1151A suppo r ts up t o tw o of the A gilen t mi cr o wav e switches sh o w n be low . Y1151A Switc h Options S upport ed (R ec om m en de d op ti on s ar e s ha de d) . A g il e nt Sw i tc h D es c ri pt io n 8710 4A/ B/ C SP4T 4 port latch ing 8710 6A/ B[...]

160 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1151A Connections Y1151A Sw itch Conne cto r SW1 and SW 2 +VR is th e V o lta ge s o ur ce f or the R el ay +VI is th e V o lta ge s ou rc e t he L ED In di cat or LED Connecto rs Switch Conne ctors Pin Use Pin Use 1 + VR 2 + VI 3P a t h 1 4 I N D 1 5P a t h 2 6 I N D 2 7P a t[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 161 Pin 1 Pin 1 Item De scripti on E xamp le Part N umber s Cabl e T ype 16 c ond uctor r ibb on ca ble, 0.050" p itch, 26 or 28 AWG s tran ded 3M 3801/ 1 6 (26 AWG ) 3M 3365/ 1 6 (28 AWG ) Y 1151A Co nnec tor 16 p in s ock et co nnect or , 0.1" x 0.1" p in[...]

162 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1151A Switch Cont rol All c h an ne ls are sin g le dr ive . Path C losed Pa th Op en SW1 Path 1 RO UT: CL OS (@ xx 01 ) Cl os e an ot he r pa t h or ope n a ll SW1 Path 2 RO UT: CL OS (@ xx 02 ) Cl os e an ot he r pa t h or ope n a ll SW1 Path 3 RO UT: CL OS (@ xx 03 ) Cl os [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 163 Y1151A LED Connectors LED1 a nd L ED2 1 2 15 16 LED1 C onnector LED2 C onnector Pin Use Pin Use Pin Use Pin Use 1 +VI 2 SW1 - Path 1 1 +V I 2 SW 2- Path 1 3 +VI 4 SW1 - Path 2 3 +V I 4 SW 2 - Path 2 5 +VI 6 SW1 - Path 3 5 +V I 6 SW 2 - Path 3 7 +VI 8 SW1 - Path 4 7 +V[...]

164 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1152A The Y 1152 A supports one of t he 87xxx s w itch es and up to tw o of the Agile nt N181x swi t ches . Supported switches are sho w n belo w . Y1152A Switc h Options S upport ed (R ec om m en de d op ti on s ar e s ha de d) . Agilent Switc h Description 87204 A/ B/C S P4T[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 165 Y1152A Connections Y1152A Sw itch conne cto r SW1 (87204/0 6) LED Co nnect ors Sw it ch Con nectors Pin Use Pin Use 1+ V R 2 N . C . 3C l o s e 1 4 O p e n 1 5C l o s e 2 6 O p e n 2 7C l o s e 3 8 O p e n 3 9C l o s e 4 1 0 O p e n 4 11 Clo se 5 12 Op en 5 13 Clo se [...]

166 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1152A Sw itch C onnec tor SW2 and SW 3 (N 181x) +VR is th e V o lta ge s o ur ce f or the R el ay +VI is the Vo ltage s ource for the LED Ind icator Pin Use Pin Use 1 GND 2 IND B 3 N.C. 4 +V I 5 Drive B 6 IND A 7 Drive A 8 +VI 9 +VR 10 N. C. 10 9 1 2 Pin 1 Pin 1 Pi n 1 Switch [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 167 16 Cond uctor Cable 9 Conduct or Ca b le Y1152A Switch Cont rol All c h an ne ls ar e drive n i n PAIRed mode. * For switches c onnecte d to S W1, n ote the pa th cl osed is ac com plished wi th the ROUTe:OPEN command. Item De scripti on E xamp le Part N umber s Cabl [...]

168 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1152A LED Connectors LED1 a nd L ED2 2 11 5 16 LED1 C onnector LED2 C onnector Pin Use Pin Use Pin Use Pin Use 1 +VI 2 SW1 - Close 1 1 +V I 2 SW1 - Clo se 5 3 +VI 4 SW1 - Ope n 1 3 +V I 4 SW1 - Open 5 5 +VI 6 SW1 - Close 2 5 +V I 6 SW1 - Clo se 6 7 +VI 8 SW1 - Ope n 2 7 +V I 8[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 169 Y1153A T he Y115 3A s upp orts the a tte nu ators li s ted bel ow . U p to t w o of the attenua to rs may b e connecte d. Y1153A Attenuato r Options Sup ported (R ec om m en de d op ti on s ar e s ha de d) . 84904/5/ 6/7 /8 Agilent Attenuator Des cript ion 84904 K /L [...]

170 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river 8494/5/ 6 Y1153A Connections Option Name Option Number Description a n d Comments Fr equenc y Range le tt er su f fix in mod e l nu mber All opt ions su ppor ted RF c on ne c to r s variou s All opt ions su ppor ted Coil Voltage STD +24VD C DC con n e ct or t yp e STD 12 pi n V[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 171 Y1153A Atten uato r connec tor P101 and P102 (84904/ 5/8) 84904/5/ 6/7 /8 Pin U se Pin Use 1 Secti on 1 Thru Li ne 2 Sec tion 1 Atte n 3 N.C. 4 Sectio n 3 Thru Li ne 5 Secti on 2 Thru Li ne 6 Sec tion 4 Thru Line 7 S ec tion 4 Atte n 8 S ect ion 2 Atten 9 S ec tion 3 [...]

172 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river 8494/5/ 6 Y1153A Attenuator Cont rol All c h an ne l are o per at ed i n PAIRed mode. Item Des c ription Example Pa r t Numbers Cabl e S upp lie d wi th Attenuator Cab le w ith Viking c onne ctor on at tenu ator end, ba re w ires on othe r end Agi len t 8120 -217 8 Cabl e T y p[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 173 Y1153A LED Connectors LED1 a nd L ED2 2 11 5 16 LED1 Connect or LED2 Conne ctor Pin U s e Pin Use Pin Use Pin U se 1 +VI 2 P101 Att en 1 1 +VI 2 P 102 At te n 1 3 +VI 4 P101 Thru Li ne 1 3 +VI 4 P102 Thr u Lin e 1 5 +VI 6 P101 Att en 2 5 +VI 6 P 102 At te n 2 7 +VI 8 [...]

174 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1154A The Y1154A supports one of the t ransf er switch es li sted b elo w and up to six N181x swi t ches . Y1154A Switc h Options S upport ed (R ec om m en de d op ti on s ar e s ha de d) . Agilent Switch Description 8722 2C/ D /E 4 port tran sfer sw itch N1 810 UL U nte rm in[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 175 Y1154A Connections Y1154A Sw itch conn ec tor SW1 and SW 2 (8722 2) LED Co nnect ors Tr a n s f e r S w i t c h Con nectors Sw it ch C o nn e ct ors Pin U se Pin Use 1 + VR 2 + VI 3D r i v e A 4 I n d A 5D r i v e B 6 I n d B 7N . C . 8 N . C . 9 GND 10 N. C. 11 N.C .[...]

176 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1154A Sw itch conn ec tor SW3 Through SW8 ( N18 1x) +VR is th e V o lta ge s o ur ce f or the R el ay +VI is the Vo ltage s ource for the LED Ind icator Pin Use Pin Use 1 GND 2 IND B 3N . C . 4 + V I 5D r i v e B 6 I N D A 7D r i v e A 8 + V I 9+ V R 1 0 N . C . 10 9 1 2 No Co[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 177 8722 2 Cable 9 Conduct or Ca b le Y1154A Switch Cont rol All cha nnels are operated i n PAIRed mode . Item Descri ption Example Part Numbers Cabl e T ype 10 co nduct or ri bbo n cabl e, 0. 050" p itch , 26 or 28 AWG stran ded 3M 38 01/10 (26 A WG ) 3M 33 65/10 (2[...]

178 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1154A LED Connectors LED1 a nd L ED2 2 11 5 16 LED1 Con nector LED2 Co nnector Pin Use Pin Use Pin Use Pin Use 1 +VI 2 SW1 - A 1 +V I 2 SW5 - A 3 +VI 4 SW1 - B 3 +V I 4 SW5 - B 5 +VI 6 SW2 - A 5 +V I 6 SW6 - A 7 +VI 8 SW2 - B 7 +V I 8 SW6 - B 9 +VI 10 SW3 - A 9 +V I 10 SW7 - A[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 179 Y1155A Th e Y1 155 A pr ovid es scr ew te r m in al c on n ect i on s c an su pp o r t t he A gil en t s wi tche s l i ste d bel o w . A dd it iona ll y , the scre w ter mina ls m ak e it ad aptab le to m ost any swi t c h. Agilent Switch Descrip tion 8762A /B /C T er[...]

180 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1155A Switc h Options S upport ed Recomm ended opt ions ar e shaded . Option Name Option Number Descr iption and Comments Fr equenc y Range V arious All opt ions su ppor ted Coil Voltage 011 + 5VDC +5V DC High est c oil curre nt re qu irem ent of al l coil volta ge opt ions. M[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 181 Y1155A Connections +VR is th e V o lta ge s o ur ce f or the R el ay +VI is the Vo ltage s ource for the LED Ind icator 876x Swit ches LED Co nnect ors Scr e w Te r m i n a l s Item Description Ca bl e T ype 3 wire cable, 24 AWG s tran ded Y 1155A Conn ector Screw ter[...]

182 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Y1155A Switch Cont rol Pair ed Op er ati ons* * PAIRed opera tion must be conf igur ed manu all y. The ROUTe:RMODule:BANK:PRESet does not conf igu re Y115 5A cha n nels for PAIRed opera tions. Unp air ed Oper at ion s Drive 1 ROUT:OPEN (@xx01) Drive 11 ROUT:CLOS ( @xx01) Drive [...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 183 Y1155A LED Connectors LED1 a nd L ED2 2 11 5 16 LED1 Con nector LED2 Co nnector Pin Use Pin Use Pin Use Pin Use 1 +VI 2 SW1 - A 1 +V I 2 SW5 - A 3 +VI 4 SW1 - B 3 +V I 4 SW5 - B 5 +VI 6 SW2 - A 5 +V I 6 SW6 - A 7 +VI 8 SW2 - B 7 +V I 8 SW6 - B 9 +VI 10 SW3 - A 9 +V I [...]

184 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Simplifie d Connection Diagrams Sin gle D rive With S epar at e Pos iti on I ndi ca tor s Th e si mpli f i ed s c hem a tic be low il lu st rat e s t h e c on ne ct io n for a sin g le dri ve s witc h with s epar ate p osit ion ind ica tor s. The posi tio n i ndic at ors f or t[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 185 Pair ed Driv e Wit h S epar at e Pos iti on In dica tors T he sim pl ifi e d s chem ati c bel ow ill us tr ates the c o nnec tion f or a d ual dri ve s witc h with s epar ate p osit ion ind ica tor s. The posi tio n i ndic at ors f or this t y pe of switch are indepen[...]

186 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river Pair ed Dr ive With C om bi ned Po sit ion Ind ic ator s T he sim pl ifi e d s chem ati c bel ow ill us tr ates the c o nnec tion f or a d ual dri ve s wi tch with a n in tegra l po s i tio n i ndi ca tor . The pos it ion ind ic ato rs f or thi s t ype of swit ch are electric a[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 187 Mount ing t he Re mot e Mo dule s Th e fi gure be l o w sho ws the di mens io ns of the rem o te modu le an d the l oc a ti on s of us able moun ting holes. 205. 54 38.3 5 114.1 57.0 5 11.34 114. 1 280. 64 30.9 6 26. 6 84 15.0 5 11. 7 3 9.73 41. 7 4 114. 1 All Mo unt [...]

188 L 4400 U ser’ s G uide 7 L4445 A Microwav e Switch/At tenuator Driver SCPI Program ming E xamples Thes e pr ogramming exam ples pro vide y ou with SCPI command exam ples to use f or dri v in g the micr ow a ve swi tch modul es. The ch anne l address ing scheme used i n these exam ples f ollo w the f or m 1rc c wher e r is the re mote mo dul e[...]

Mi cr o wa v e Sw it c h/ A t te n ua to r Dr iv er 7 L44 00 Use r’s Guid e 189 Example: Configuring a Single Drive Channel The f o llo wing exam ple i l lust rates th e se quence of comman ds to configure a singl e dri v e chan nel with con tinuous d rive. In the exam ple, the oper ation s ar e d i r e c t e d t o c h a n n e l 1 o n r e m o t e[...]

190 L 4400 U ser’ s G uide 7 Microw a ve Switch/ A tt enuator D river THIS P A GE INTENTIONALL Y BLANK[...]

191 Agi lent L44 00 LXI Clas s C In stru men ts Use r’ s Gu ide Agilent T echno logies 8 L445 0A 64-Bi t Digital I/O with Me mory and Cou nter L4450 A SC PI Com ma nd Sum mary 192 L4450 A 64- Bit Dig ital I/O w ith M emor y and C o unter 199 Ba sic Dig ital I/O Ope rati on s 200 Handsh aking 203 Buffe red I/O Opera tions 210 Inte rrupt Lines 213 [...]

192 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter L44 50A SCPI Command Summary Ta ble 8- 1 l is ts th e i ns trum en t- spec ific SC PI co mma nd s that ap ply to the L4450A 64- Bit Digital I/ O and Counter in strumen t. T able 3- 3 ( Chapter 3) lis ts the SCPI commands t hat app ly to all L4400 ser ies inst[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 193 CONFigur e: DIGita l:HANDshake: SYNChronous: STRobe[: SOURce]? (@< ch _lis t> ) CONFigur e: DIGit al: INT errupt: PO Lari ty { NORMal| INV erted}, (@<ch_l ist>) CONFigur e: DIGit al: INT errupt: PO Larit y? ( @<ch_l i st>) CONFigur e: DIGit al: POLari[...]

194 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter (Dig ital I/O) [SENSe:]MODule :COUNter:GA TE:THReshold[ :VOL T age] {<volt age>|MIN|MAX|DEF}, 1 [SENSe:]MODule :COUNter:GA TE:THReshold[ :VOL T age]? [{MIN|MAX},] 1 [SENSe:] TOT aliz e:CLEar: IMMediat e (@<ch_l ist>) [SENSe:]T OT alize: DA T A? (@[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 195 SOURce (Dig ital I/O) (External Clock Output) SOURce:DIGi tal :DA T A[:{BYTE|1 |WORD|2|L WORd|4}] <dat a>, (@<ch_l i st>) SOURce:DIGit al:DA T A[:{BYTE|1 |WORD|2|L WO Rd|4}] ? [{DECim al|BINa ry|HEXadeci mal|OCT al} ,] ( @<ch_list >) SOURce:DIGit al: [...]

196 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter CALCulate (Dig ital Pattern Compare) (Alarm L imit ) (Measure- ment Sta t i s t i c s ) (MX + B Sc aling ) CALCulat e:COMPare: DA T A[ :{BYTE|1 |WORD|2|L WO Rd |4}] <dat a>, (@< ch _lis t> ) CALCulat e:COMPare: DA T A? (@<ch_l ist >) CALCula[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 197 ROUT e (Monitor) (Scanning) (Switch Control) (Sequence O per at ion ) ROUT e:MON itor:DA T A? ROUT e:MON itor:MODE { CHANnel|DMM} ROUT e:MONitor:MODE? ROUT e:MONitor:ST A T e {OFF|0|ON|1} ROUT e:MON itor: ST A T e? ROUT e:MONitor[: CHANnel] ( @<channe l>) ROUT e:[...]

198 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter FOR Mat (Scanning) FORMat:BORDer {NORMal|SW APped} FORMat:BORDer? FORMat:READing: ALARm {OFF|0|ON|1} FORMat:READing: ALARm? FORMat:READi ng:CHANnel {OFF|0| O N|1} FORMat:READi ng:CHANnel ? FORMat:READi ng:TIME {OFF| 0|ON|1} FORMat:READi ng:TIME? FORMat:READin[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 199 L44 50A 64-Bit D igital I/O w ith Memory and Counter The L4450A has 6 4- bits o f general- purpose d igital I /O gr ouped i n 8- bi t chan nels wi th programmab le pol arit y , in put thres holds, and output lev els. T he mo du le is seg me nt e d int o two b an k s of[...]

200 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Basic Di gital I/O Ope rations Channel Num bering and Wid th The di gital chann els are num b ered by ban k; 101 throug h 104 and 201 t hro ugh 204 f or ban ks 1 and 2 r espect ivel y. U si n g SC PI comma nds yo u c an gr oup di gi tal I/O c han nel s tog et[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 201 T o r ead di gi tal d ata wi th mo re con tr ol ov er the cha nnel pa ramet ers, use the SCPI CONFigure and SENSe commands. The CONFigure c ommands se t up the d igital I/ O channel p arameters. F o r exampl e, sendin g the f oll owi ng SCPI command sets 16 - bit inpu [...]

202 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Y ou can se t a chan nel to output in either activ e dri ve or open c ollec tor conf igur ations . When set to ACTive , the mo dul e dri ve s the dig ita l li nes f or bo th high and lo w . The vol t age lev el that repr esents a logi c ‘1’ can be set us [...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 203 T hi s co mm an d s eq ue nc e se ts the fir s t 8 b i t s ( ch a nn e l 1 0 1 ) to no rm al p o l a r i ty f or input and output o per ations, s et t he nex t 8 bit s (channe l 102 ) to inver ted po lari ty , and t hen c omb ine s the bits in to a 1 6- bi t c han nel.[...]

204 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter The foll owin g ha n dshak e command set s the synch rono us hand shakin g mod e f o r th e channe ls in bank 1 . CONF:DIG:HAND SYNC, (@1101) This f orm of the hands haking c ommand also al lows y ou t o option all y set the inpu t t hr e sh old , out pu t dr[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 205 Synchronous Handsha ke Mode In th e syn chr onous handshak e mode, a s trobe or clock si gnal is used t o transf er dat a to or fr om an external dev ice. The str obe line (H1) is an outpu t a n d i s p u l s e d o n c e f o r e a c h t r a n s f e r . Synchron ous Unb[...]

206 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Synchron ous Unbuffered Outputs For synchr on o us han dshak e unbuff ered ou tpu ts , th e H0 l ine indi cate s the d ir ect ion of the tr an sf er . Th is l ine is se t lo w to ind ic ate an out pu t op erat ion. T he H0 li n e will remai n in the lo w stat[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 207 Synchron ous Buffered Inputs Y ou can us e synch ronous mod e handsha ke with buff ered (memory) i npu t operat ions. (Buffere d operati ons are des cribed i n more d et ail beginn ing on page 210 . ) F or buff ered i nput operat ions, the H0 li ne ac ts as a star t/st[...]

208 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Synchron ous Buffered Outputs Y ou can use syn chr onou s mod e han dshak e with buff ered ( memor y) out put op erations. ( Buff ered ope rations are described i n more d etail beginning on page 210 .) F or b uffe red output operati ons, the H 0 l i n e a c [...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 209 Op tio n ally , you ca n p rovid e an exte r nal st robe inp ut on the H 2 l ine to co ntr ol the m emory transf ers. I f y ou pace the memor y in puts fr om an ext ernal cl ock, th e L44 5 0A will sen se th e le adi ng ed ge o f th e s tr obe and set the d ata. T he d[...]

210 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Buffe red I/O Op erati ons Each of th e tw o banks on the L44 50A has its o wn memory that can be use d to store patterns to outpu t (t races) or t o store input patte rns. The wi dth of the first ch ann el in each b ank con tro ls the wi dth of the memo r y [...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 211 Se t th e numbe r of ti me s to o utp ut the trac e. Each trace can be outpu t once, mult iple t imes , or i nfinite ly. Th e SOURce:DIGital:MEMory:NCYCles comman d sets t he nu mbe r of tim es t o outpu t th e trac e. If not se t to infin ite , y ou c an ou tpu t the [...]

212 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter Y ou can als o output t he trac e one sa mpl e at a time o n the data l ines us i ng th e SOURce:DIGital:MEMory:STEP command. Th is comman d output s one sa mple and th en puts the memory in the stoppe d st ate. Th e STEP comma nd al so o v er ri des the i nt[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 213 Chec k the statu s of the trans fer . Y ou can use t he SENSe:DIGital:MEMory:DATA:POINts? query to return the number of sa mple s currentl y in memor y. Retr ieve th e ca ptur ed da ta. Set the des ir ed me m or y re tri eva l f orma t usi ng the SENSe:DIGital:DATA:FOR[...]

214 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter • STOP : The me mor y outpu t is halte d on the r ising edge of th e i n te rrup t li ne . • GATE : The int er r upt line acts a a gate for the memo r y out put. Th e bank can out pu t wh en t he i nt e r r u p t lin e i s as se r t ed , an d w ill st o p[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 215 F or out put oper ations, th e data sto red in memory is output as fo llo ws: • BYTE outp ut - fi rst byte in m emor y o n t he fir st han dsh ak e , ne xt byte in m e m o r y o n t h e s e c o n d h a n d s h a k e , a n d s o o n . • WORD outp ut - f irst and se [...]

216 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter CONF:DIG:WIDT WORD, (@1101) CALC:COMP:DATA #HF00F, (@1101) CALC:COMP:TYPE EQUAL, (@1101) SENS:DIG:INT:MODE COMP, (@1101) SENS:DIG:INT:ENAB ON, (@1101) CALC:COMP:STAT ON, (@1101) Once t he pat ter n matchi ng state i s turne d on, t he L 4450A p olls f or the [...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 217 MEAS:COUN:TOT? RRES, (@1301) T o tali ze r c oun ts b egi n as s oon a s the cha nne l is co nfig ure d f or the to tal iz e measure ment. Y ou can st op a c ount b y sendin g SENSe:COUNter:ABORt comman d and r est ar t t he coun t usi ng th e SENSe:COUNter:INITiate co[...]

218 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter CONF:COUN:FREQ 1e-3, (@1301) SENS:COUN:INIT (@1301) SENS:COUN:FREQ? (@1301) SENS:COUN:PER? (@1301) SENS:COUN:PWID? (@1301) SENS:COUN:DCYC? (@1301) The CONFigure:COUNter:FREQuency c om mand para me ter set s the int er nal ga t e ti me (to 1e - 3 or 1 ms i n t[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 219 As vi ew ed fr om the rear pane l, t he pi ns in each conn ector are numb er ed as sh o w n be low . P1 (Bank 1) Connector Pin Assignm ents 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 [...]

220 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter P2 (Bank 2) Connector Pin Assignm ents Pin S ignal Pin Signal Pin Signal Pin Signal 1G N D C H 3 0 2 21 GN D C H 2 0 4 40 18 C H 2 0 3 60 8 CH 202 2 CNTR 2 2 27 41 GND 61 GND 3G N D 2 3 G N D 4 2 1 7 6 2 C L K 4G A T E 2 4 2 6 4 3 G N D 6 3 G N D C H 2 0 1 5G[...]

L4450A 64-Bit Digital I/O with Memory and Counte r 8 L44 00 Use r’s Guid e 221 34950T T ermin al Block The opti onal 34950T terminal block has scre w type conne cti ons and the terminal are labeled with the channel and bi t in f or mation. L4 45 0A T e r mina l Bl ock .[...]

222 L 4400 U ser’ s G uide 8 L44 50A 64-B it D igit al I /O wit h Me mo ry an d Cou nter THIS P A GE INTENTIONALL Y BLANK[...]

223 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 9 L44 51A 4-Ch annel Isol ated D/A Co nverte r with W aveform Memory L4451A 4-C hann el Isola ted D/A Con verter w ith W avef orm Memo ry 224 L4451A S CP I Comm an d Su mmar y 226 L4451A E xam ple Program Segm ent s 228 L4451A S imp lified B lock Di agram s 23[...]

224 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y L4451A 4-Channel Isola ted D/A Con verter with W a veform Mem ory The L44 51A 4- Ch Is olated D/ A module (D A C modu le) has f our inde pende nt, iso lated D A C channels t hat ou tput DC vo ltage up to ± 16V o r DC cur ren t up to ± 20 mA. [...]

L44 51A 4-Cha nne l I solat ed D/ A Con ver ter w i th W ave for m Me mor y 9 L44 00 Use r’s Guid e 225 The on- boa r d memo r y p ro vide s stor age f or yo u to cre ate u p to 32 v oltag e or cur r ent wavefo r m s . Y o u can app ly a di f fer en t wavefo r m t o ea ch ch an n e l to o ut put. Or y o u c an ap pl y the s ame wa v ef o r m to m[...]

226 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y L44 51A SCPI Command Summary Table 9-1 lis t s the in strument-s pecific SCPI commands that apply to t he L4451A 4-Chann el I s ol ated D /A Co nve r te r in strument. T a ble 3-3 (Chapter 3) li sts the SCPI commands that apply to al l L4400 se[...]

L44 51A 4-Cha nne l I solat ed D/ A Con ver ter w i th W ave for m Me mor y 9 L44 00 Use r’s Guid e 227 (External Clock Output ) SOURce:FUNCtion: CURRent:OFFSe t {<offs et >|MIN|MAX| DEF}, (@<ch_list >) SOURce:FUNCtion: CURRent:OFFSe t? [ { MIN|MAX}, ] ( @<ch_list >) SOURce:FUNCtion: ENABle { OFF|0|ON|1}, ( @<ch_l ist>) SO[...]

228 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y L44 51A Exampl e Program Se gmen ts The pr ogramming e xamples bel o w pro v ide you wi th SCPI c ommand exa mp les to u s e for a ct io ns spec if ic to t he D AC mod u le. The slot and ch annel a ddressing sc heme us ed in these examp les f o[...]

L44 51A 4-Cha nne l I solat ed D/ A Con ver ter w i th W ave for m Me mor y 9 L44 00 Use r’s Guid e 229 Wa v e f o r m M o d e Example: Downloading a waveform t o mem ory and outputting waveform from DACs The f ollo wing command segment d ow n load s a 1000 - point sine wavefor m t o m emo r y an d ou tp ut s t he w av efor m fr om D AC cha nn el[...]

230 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y External Clock Exa mpl e: Se le ctin g an ex ter nal c loc k so ur ce an d sett ing a c loc k di visor Th e f irs t comman d select s the external clo ck source on D A C ch annel s 1 and 2. The e xter nal cloc k i np u t is sh ared bet we en th[...]

L44 51A 4-Cha nne l I solat ed D/ A Con ver ter w i th W ave for m Me mor y 9 L44 00 Use r’s Guid e 231 L4451A Simpl ified Block Dia grams The f ollowing diag ra m sho ws how the module is generally conf igu red. F o r more de ta il on the inte rnal conf igurat ion of each D A C channe l, see th e n ext page. 16 Bits DAC 1 16 Bits DAC 2 16 Bits D[...]

232 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y The fol low i ng d i agram sho w s indi vi dual D A C chan nel c onfiguration . All c h an ne ls are con f ig u red t he sam e . L4451A D-Sub Connector P inout 16 B its Wa vefo rm Memory HI Vol tage Sens e LO V olt age Sens e HI Vol tage , + Cu[...]

L44 51A 4-Cha nne l I solat ed D/ A Con ver ter w i th W ave for m Me mor y 9 L44 00 Use r’s Guid e 233 34951T T erminal B lock Ea ch termi nal b loc k is l a bele d with th e mod e l numb er and the ab br e vi ated instru ment na me . L44 51A T er min al Bloc k.[...]

234 L4400 U s er’s G uide 9 L44 51A 4-Ch anne l I sola te d D /A Co nv erte r w ith Wa vefo rm Mem or y THIS P AGE INTENTIONALL Y BLANK[...]

235 Agi lent L44 00 LXI C las s C Inst rum en ts Use r’ s Gu ide Agilent T echno logies 10 L44 52A Mul tifunct ion Mo d ule wi th DIO, D/ A, and T o tal ize r L4452A M ult ifunc tion Mod ule 236 L4452A S CP I Comm an d Su mmar y 237 L4452A E xam ple Program Segm ent s 241 L4452A S imp lified B lock Di agram 243 L4452A D -Sub Con nector 244 34952T[...]

236 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer L4452 A M ultif un ction M odu le The L445 2A Mu ltifunc tion M odul e wit h D IO, D/ A, and Totalize r com bin es f our 8- bit po r ts of digit al input/ou tput, a 100 kHz tot a lizer , and tw o ±1 2 v olt earth- ref e rence d anal og ou tputs. Y ou can i[...]

L4452 A Multifunct ion Module wi th DIO, D/A, and Tota lizer 10 L44 00 Use r’s Guid e 237 L4452A SCP I Command Summa ry Ta bl e 10- 1 l is ts the in st r u men t- sp e ci f ic S CPI com man ds th at app ly to the L4452 A Multif uncti on Modul e instrument. Tab le 3- 3 (Cha pter 3) lis ts the SCPI comm ands that appl y to all L4 400 se ries ins tr[...]

238 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer SOURce (Dig ital I / O) (DAC) SOURce : DIGita l :DA T A[:{BYTE|1|WO RD|2|L WORd|4}] <dat a>, (@<ch_list >) SOURce:DIGital:DA T A[ :{BYTE|1|WORD|2|L WORd|4}] ? [{DECi mal|BINa r y|HEXadeci mal|O CT al},] ( @<ch_ list>) SOURce:DIGital:DA T A[...]

L4452 A Multifunct ion Module wi th DIO, D/A, and Tota lizer 10 L44 00 Use r’s Guid e 239 (Scanning) (Channel Labeling) (Sequence Operat ion) ROUT e: CHANn el:DELay {<sec onds>|MIN|MAX|DEF}, (@<ch_l ist >) ROUT e: CHANnel: DELay? [{MI N|MAX}, ] (@<ch_l ist>) ROUT e: CHANn el:DELay:AUT O {OFF|0| ON|1}, ( @<ch_l i st>) ROUT [...]

240 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer TRI Gge r (Scannin g) (General) TRI Gger :CO UNt {<co u nt>| MIN|M AX| DEF |INFi nit y} TRIGger : COUNt? [ {MIN|MAX} ] TRIGger : SOURce {IMMedi ate|BUS|EXT ernal|ALARm1|ALARm 2|TIMer } TRIGger : SOURce ? TRIGger : TIMer {<seconds>| MIN|MAX|DEF} [...]

L4452 A Multifunct ion Module wi th DIO, D/A, and Tota lizer 10 L44 00 Use r’s Guid e 241 L4452A Exam ple Program S e gments The f ollo wing sect ions con tain exam ple pr ogram seg ments of commonl y used in stru me nt functions . The slot and c hannel addr essing sc heme us ed in thes e exam ples f ollo w the form 1ccc wher e ccc is the c hanne[...]

242 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer Exa mpl e: C on fig urin g the to taliz e r for coun t This comm and c onf igures t he to t al iz er to co un t on th e ris ing ed ge o r fa lli ng edg e of the inp ut sig na l. The f ollow ing c omma nd con figu res t he t ot alizer (c hanne l 5) to c ount[...]

L4452 A Multifunct ion Module wi th DIO, D/A, and Tota lizer 10 L44 00 Use r’s Guid e 243 L4452A Simpl ified Block Dia gram DIO 32 B its Totalizer Coun t + Count - Channel 005 Ga te D/ A 1 Channel 006 16 B its D/ A 2 16 B it s Channel 007 8 8 8 8 Cha nnel 001 Bit 0 Bit 7 Cha nnel 002 Bit 8 Bit 15 Cha nnel 003 Bit 16 Bit 23 Cha nnel 004 Bit 24 Bit[...]

244 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer L4452A D-Sub Connector BI T 19 BI T 12 BIT 13 BIT 14 BIT 15 GND BI T 20 BIT 21 BIT 18 BIT 17 BI T 16 BIT 22 GATE GA TE GND G ND 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 CNT - CNT + GND BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 BIT 8 BIT 9 BIT 1[...]

L4452 A Multifunct ion Module wi th DIO, D/A, and Tota lizer 10 L44 00 Use r’s Guid e 245 34952T T erminal B lock Ea ch termi na l bl oc k is la bel ed with the model numb er a nd th e a bbrev iated modu le name. The 34952T pro vi des space f or brea dboar d and f or a con nector to contr ol a n exte rnal Opto - 22 s t and ard boa rd. L44 52A T e[...]

246 L4400 U s er’s G uide 10 L4452 A Multifunct ion Mod ule wi th DIO, D/A, and Tota lizer THIS P AGE INTENTIONALL Y BLANK[...]

Agilent T echno logies Ap pe nd i x A L44 51A and L 4452A Ca librat ion Proce dures Calibrat ion P roced ures 248 Ag ilen t T ech nologi es Ca lib rat ion Se rv ices 248 Cali b ratio n Interva l 24 8 T i me Re qui red f or C alibr atio n 249 Auto m ati ng Cali bra tio n Pr ocedu res 249 Re commen ded T est Eq uipme nt 249 Cali bration Security 250 [...]

248 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res Calibrat ion Procedures This section c on tains performanc e veri f icat ion an d adj ustment (cal ibration ) pro cedures for the L4400 S erie s L4451A 4- Chan nel I s olated D/A Co nvert er an d L4452A Multifunc tion Mo dule. Closed -Case Electroni c Cal ibrati on Thes e in[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 249 T ime Req uired for Ca librati on The L4451A a nd L4452A can b e automat icall y c alib rated under com puter c ontrol . With computer cont r ol you can perform the compl ete calibrati on p ro cedur es and perf ormance v erificati on tests i n less than 30 mi nutes o nce th[...]

250 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res Calibrati on Security This featu re allo ws y ou to enter a sec urity co de to prev ent acci dental or unau tho rized adjus tmen ts of t he ins tr um ents. Wh en you f irst r eceive your instr ume nt, it is sec ured. B efo re you can a djust th e instr um ent, y o u m ust un[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 251 6 Se nd the comma nd C ALi br ati on:S ECur e :ST A T e ON to a ct ivate the ne w cod e an d s ec u re t h e i n str u me n t. 7 Turn off the ins t rument and r e- install the i nstrument sub- asse m bl y into t he in stru men t car rier . T ur n on the instru me nt. C on t[...]

252 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res Calibration Process The f ollo wing general procedu re is the reco mmende d method to comp lete a f u ll in st r um e nt c ali br ati on . 1 See “L4451A and L4452A Pe rformance Test Con sider at io n s.” 2 P erf orm the v er ific at ion test s to ch ara cter iz e the ins[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 253 Performance V erification T ests U se the P erf orm an ce ve ri fica t io n te s t s to ver if y th e pe r f o rman ce of the inst ruments. The pe rformance verifi cation t est s us e the in strumen t’s specif icatio ns cont ai ned in the L 4451A a nd L4452A Product Data [...]

254 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res L4451A V erifica tion The test conn ection s fo r v erifyi ng the L4451A D A C output current and v olt age using an ex ternal DMM are s h o wn in Figur e s A- 1 an d A- 2. Note th at conne ctions are sho wn for a sing le channe l. Figure A- 1. L44 51A Output Curre nt Connec[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 255 Figure A-2. L4451A Output V olt a ge Conne ctions. Analog Output V e rification T est This proced ure is us ed to ch eck the cali brat ion of t he cu r rent an d v olt a ge output s on the L44 51A 4- channe l D A C. V eri f ic at io n chec k s are p er f or med on ly f or t[...]

256 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res V o lta ge Ou tp ut V e ri fica tion 1 Wi th the DMM dis con nec te d fr o m the L 445 1A, se t the DMM to th e 100V range or the lo we st range t h at can measur e 16V ( do no t use autorang e). 2 Short the inputs t o the D MM. T he DMM reading is t he offs et vo lt age f o[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 257 T a ble A-2. L4451A Out put Current a nd V olt age Levels ( cont’d ) . Analog O utput Adjustments T h e f o l l o w i n g a n a l o g o u t p u t a d j u s t m e n t p r o c e d u r e s a r e t o b e p e r f o r m e d f ollo wing a 1 hou r w arm up peri od. This proced ur[...]

258 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res V oltage Adjustm ents 1 Wi th the DMM dis con nec te d fr o m the L 445 1A, se t the DMM to th e 100V range or the lo we st range t h at can measur e 16V ( do no t use autorang e). 2 Short the inputs t o the D MM. T he DMM reading is t he offs et vo lt age f or th e selec te[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 259 T able A-3. L4451A DAC V olt age Calibrati on Point s. Current Adj ust ments 1 Wi th th e DM M dis con ne cte d fr om th e L44 51A , s et the DMM to the 100m A range o r the lowe s t range that c an me asure 20 mA (do not use au t o ra n ge ) . 2 Th e D MM r ead i ng i s t [...]

260 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res CALi br at ion :BEG in :C UR Rent 1, (@1 00 1) 6 Measu re t he D AC output on the D MM. Sub tract t he curren t offs et mea s u red in St ep 2 from t he r ead in g. W ri t e t hi s v alu e t o th e D AC usi n g the command: CALi br at ion :POI Nt ? <v al ue> (measu red[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 261 L4452A Multifunc tion Mod ule V erificat ion and cal ibrati on of the L4452A M ult ifunct ion Mo dule i s li mited to chann els 6 and 7 which are the D A C (v oltage) output ch annel s. L4452A V erification The t est conne ction for verifying th e D AC output volt age on c [...]

262 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res this tim e. Ot her wise, re cord th e offse t which w ill be subtract e d from the s ubsequent v olt age mea sure ments. 3 Conne ct channel 6 of the L4452A as sho wn in Fi gure A- 3. Config ure the L4 452A to out put the v olt ages li st ed i n Table A- 5. F or eac h v oltag[...]

L4451A and L445 2A Cal ibr ation Pr oc edures A L44 00 Use r’s Guid e 263 4 Con n ect chann el 6 of the L445 2A t o the DMM as sho w n in Figure A-3. Se t the DMM to me asu re DC v ol t s . 5 Se t the firs t D A C cali bra tion poi nt us ing the c omman d: CALib ra ti on :BEG in: VO LT age 1, (@<c ha nn el>) F or c han n e l 6, t h e com m [...]

264 L4400 U s er’s G uide A L4451A and L44 52A Calib ration Proc edu res THIS P AG E INTENTIONALL Y BLANK[...]

Index L44 00 Use r’s Guid e 265 Num eri cs 34921 T external refe rence , 110 temperature sensor , 110 term inal b lock , 110 34945 EXT ba nk n u m beri n g , 14 9 des cr ip ti on , 144 dim ensio ns , 19 3 extern al p ow er , 144 external p ower conn ections , 148 ma ximu m n um ber , 144 powe r co nsum pt ion , 148 remo te mo dule iden tifie rs ,[...]

266 L 4400 U ser’ s G uide Index dis tr ib ut ion bo ard Y11 50A (L 4445 A) , 161 Y11 51A (L 4445 A) , 165 Y11 52A (L 4445 A) , 170 Y11 53A (L 4445 A) , 175 Y11 54A (L 4445 A) , 180 Y11 55A (L 4445 A) , 185 dis tr ib ut ion bo ard s L44 45A , 16 0 downloading firmware u pdates , 39 dri ve r s recommen ded , 16 D- su b pi no uts L44 21A , 10 9 L44[...]

Index L44 00 Use r’s Guid e 267 L4433A exa mple p rogram seg ments , 11 6 L4433A h ardware description , 12 0 L4433A instrum ent overview , 114 L44 33A SC PI co mmand su mm ary , 115 L4433A simplified schematic (one- wire mode ) , 126 L4433A simplified schematic (two- wire mode ) , 122 L4433A terminal block (o ne-wire mode) , 128 L4433A terminal [...]

268 L 4400 U ser’ s G uide Index L44 21A , 10 9 L4433A (o ne-wire mode) , 12 7 L4433A (t wo-wire mode) , 123 L44 37A , 13 5 L44 50A , 22 4 L44 51A , 23 2 L44 52A , 24 4 pol lu ti on de gree , 2 pol lu ti on de gree defin it ion s , 66 porting application s , 65 posi tion indi cators L44 45A , 15 5 power co rd con n ect in g , 11 po wer -f a il ju[...]

Index L44 00 Use r’s Guid e 269 U un se cu rin g ca li b ra ti o n , 25 0 upda ting firm ware , 39 user-defined labels , 68 V ventil ation , 5 verific ation L44 45A , 15 5 vie wing a larm data , 87 VISA examp les , 62 VISA CO M examp les , 62 VM Comple te , 83 volt mete r com plete , 83 W warranty , 2 We b i n t e r f ac e , 28 ed it in g L AN se[...]