Instruction/ maintenance manual of the product 53A HP (Hewlett-Packard)
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Conten ts HP E13 51A/53 A FET Multiple xer Use r’s Manu al Wa r rant y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Safety S y mbols .
Measurin g Temper atu re Using Therm oc ouples ( HP E1353 A Module onl y ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Setup f or Measurin g Th er m o couple Temp e r a t ure usi ng an Externa l Mu ltimeter . . 43 Comme nts . . . .
:CPON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 :CTYPe? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 : E RR o r? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Not es 4 HP E1351 A/53A FE T Multiple x er User’s Manual Con tents.
Certificati on H ewlett- Pac kar d Company cer tif ies tha t this produ ct met its publi shed spec ifi ca tion s a t the time of s hipment f r om the fact ory.
F rame or chassis ground ter mi nal— t yp i - cally conne cts to the equipment’s metal frame. Al ter n ati ng c u rren t (A C ). Dir ect curr en t (DC). Indi ca tes haza rdous v olta ge s. Ca lls a t te nt i on t o a pr oce dure, pr actice, or c on dition that c ould caus e bod ily injury or de ath.
Declaration o f Conformity according to I S O/IEC Guide 22 an d E N 45014 Manu fa cturer’ s Nam e: Hewlett -Pa ck ar d Compa ny Lo v eland Manufacturing Center Ma n ufact urer ’s Addre ss : 815 14 t h St reet S.
Not es 8 HP E 1 351 A, E 135 3A 16 -Channel FET Multiple x er Mo dule s Use r’s M an ual.
Reader C omment S hee t HP E1351A/53A 16-Channel FET M ultiplex er Modul e User’s Manual Edi t ion 4 Y ou ca n help us i mprove our manua l s b y s h a ri n g your comm ents and sug gesti ons. In apprec iat i on of your t ime, we will ente r yo u i n a q uarterl y drawing for a H ewle tt -Pac k ard Palmt op Pe rs o nal C omp uter (U .
10 HP E1 351A/53A 16-Chan nel FET Multiple xer M o dule User’s Man ual.
Ch a pter 1 Getting Started with the HP E1 351A/53 A Using This Chapter This c hapt er de scr ibes the HP E13 5 1 A 16-C ha nne l FET a nd t he HP E135 3A 16-C hannel Ther moc o u ple FE T Mu ltiplex e r M odul e s, and sho w s how t o progra m t he module s u sin g SCPI (Sta nda r d C omman ds f or Progra m mable I n stru m en ts) c ommands.
For hi gh -spe ed ope rati on (1 0 0 K s witch es/ sec . ) the scan n i ng list is auto matic ally d o w nl oaded i nt o RA M on th e multi plexe r mod u l e . Trigger ing f or c h annel a dva nc e is from t he t wo handsha ke l ines on t h e di g i t a l bus.
Figu re 1-1. F E T Multipl exer Modu le Block Diag ra m Chap ter 1 G etti n g Started with the H P E 1 351A/5 3 A 13.
S w itchbox and Scanning V oltmeter Configurations A VXIbus ins tru m ent is a modu le or group of m odu le s wh i c h p erform a sp ec if ied fu n ct io n .
120 T RIGGE R 70903 !Trigge r the s w i tchbo x to ad v ance the chan ne l l i st 130 NEX T I !I nc r em en t co un t 140 END Sca nni ng Vo ltm eter W h en t h e mu ltiple x e r(s) is c o m b i ned w it h a m ulti m et e r to fo r m a s i n gle instru m ent, th e y bec ome a virtu al inst r u m ent, a sca nni ng vol t m et er.
Programming Language The ex a m p les in t his m anual u s e the Standar d Comm a nds f o r Progra m ma b le I nst r u m e nts (SC PI) co m ma n ds, H e wl e tt-Pa c k ard BA SI C and an HP 900 0 S eries 200/300 c o m puter o ver the HP-I B. Chapte r 5 co ntains inf orm ation on S CP I c ommand format.
Ch a pter 2 Confi guring the HP E1 351A/53 A FET Multi plexer Modules Using This Chapter This c hapt er s h o w s how to c onfigure t he 16 -Cha nne l F E T Mu l tip l ex er Mo dul es , how to co n n ec t ex t ernal wiring and how to conne ct multim eters .
Multiplexer Card Numbers HP plug - in module s in st all e d in an HP VXI bus mai n fram e are t r eate d as in d e pen dent inst ru m en ts each having a un iq u e seco ndary HP-IB add ress . An i nstrum ent ma y b e co mpo sed of a si ngle plug - in mo dule or mul tipl e p lu g - in m o du le s .
The logi c al a ddre s se s no ted in Fi gures 2-1, 2 -2, and 2-3 a pply to m o d ul es insta lle d in an HP 75 000 Series B M ainfr a m e (HP Mode l N umb er E130 0 A /E13 0 1 A ) or i n a ma i nframe wit h an HP E1405 /1406 C ommand Mod ul e.
Selecting the Interr upt Line Number The m ulti p l e xer modul e genera tes in terr u pts a t the en d of a do w nloa de d sca n list . T he interrupt li n e n um b er s w it ch determ ine s w hic h bac k plane IRQ lin e wil l b e u s ed. D iff e r ent mainfr a m es a nd re sour c e ma na ge r s rec og niz e differe nt bac k p lane IRQ lin e s.
Setting the Car d ID Sw itch The multi p l e x er mo dule can be an H P E13 51 A, HP E135 2 A or H P E1353 A dep e ndi n g on whi ch terminal mo d u le is installed. W i th a normal conn ecti o n , t he te rminal mo dul e wil l autom atic ally c o n fi gure th e modul e f or the app ropriat e model.
Connecting User Inputs The 16-Channel F ET c onsists of a c omp on e nt module and a t e rmi n al mo d u le. If t h e t e r minal m odu le is n o t des ired, F igure 2-7 s hows the fron t panel and t he mo d u le’s c o nnec t or pin-out whic h mates to t he terminal mo du le .
Ad di ng Si gn al C ondi t io ni ng C ompo ne nt s/Cur rent Shunt s The m ulti pl e xer m o d ul e’s te rminal m o dule allows you to add co m po nen ts on eac h ch ann e l fo r the fo ll o w in g: .
Connecting Field Wiring L eads for t he in dividual channels are conn e cted throug h th e channel t ermi nals on t h e t ermi nal m odul es. Mul tim ete rs and si gnal ge n e rato r s c an be connecte d to the di rec t t e rmi nals o r t ree termin als on the termin al mo d u les.
Wiring a Terminal Module The fo l lowi n g illustr atio ns sho w h ow t o c onnect f i eld wiring t o t h e t e r m inal mo du le . Chap ter 2 Configur ing the HP E13 51A/53A FET Mu l tiple x er Modul.
Connecting Multimeters and Signal G enerators Fi gure 2-10 s h ows h ow to connect t h e ana log bu s co n nect or an d the digita l bus hand shak e cable betwe en multipl e multi ple xer modul es and t h e HP E1326 B Mu lti m eter. Us e the cabl e s s hipp ed wit h the multiplex er m odu le s to make the con n e ctio ns .
Analog Bus and Digital Bus C ables Fi g ure 2-1 1 s h ows ana lo g bus a nd di g ital bu s cab le s fo r multi plexer-to- multi plexer an d m ultiple xer-to - mul t i m et er co nnec tions.
Not es 28 Configur ing the HP E13 51A/53 A FET Mu l tiple x er Module s Ch apte r 2.
Ch a pter 3 Using the H P E135 1A/53A FE T Multipl exer Modules Using This Chapter Thi s chap ter use s so m e ty pical exampl es to sh o w ho w to use th e 16-C hanne l FET a nd 16 -Channel The rmo c oupl e FE T Mu ltipl exe r Mod ules.
To add res s speci fi c c hann el s w ithi n a mul ti pl exe r m odul e i n a sw itch box or sca nnin g voltme t e r c on fi g ura t ion, you mus t s e nd t he appr opr ia t e SCPI c ommand st rin g with a specifi ed card nu m b er (cc) and c hannel number (nn ).
Multiplexer Co mmands The fo llowi ng c ommands ar e c overed in Chap t e r 3. For a comp let e list an d des criptio n of c o m mand s s e e Chapte r 5, “ Co mmand Ref erenc e ” .
Connecting Sw it chbox Channels to Direct Terminals The dire ct term inals pr ov i de dire ct ac c e ss t o c losed c h annels . The r e is a direct t e r minal f o r eac h bank, Ba nk 0 and Bank 1. Clos ing any c h annel in Bank 0 (channels 0 0 t o 07) c o nnects t he channel to t he Ba nk 0 dir e ct t erminal.
Comments Isolat i o n . The dir e ct t e r minals pr o v ide a m ore accur ate m easu rement t han th e tree te rminal s or th e analo g bus co n n ec tor as t he sig nal do es not hav e to t rav el th ro ugh th e e xt ra FE T swi tch es .
Connecting Sw it chbox Channels to Tree Terminals for Making Measurements Connec t external m ul timete rs to t h e A t r ee term i n al. The SCAN: PORT ABUS command clos e s the appropr iat e F ETs o.
Example : Connect Chan nels 02 and 10 to Tre e T ermi nal s f or 4-Wire Ohms Measuremen t The SCAN: MO DE FRE S co m mand s ep ar ates Bank 0 and Ba nk 1 f or 4-w i re re s ist anc e m easu rements or other s t imulu s/re sponse te stin g.
Scanning a Range of Switchbox Channels You ca n scan a ra n g e of c hannels o f a s witchbox c o nsistin g of singl e or multi ple m ultipl exer m odules . S canni ng inv ol ves s eque ntiall y cl osing each c hannel on a rang e of sp e c ified c h anne ls.
60 OUTPUT 70914; "SCAN (@100: 215)" ! Se lec ts the chan nel list; 100 se lec ts th e first c ha nne l of modul e #1 an d 215 sele c ts the l ast cha nne l of mo dule #2 .
Exampl e: Mak i ng 2-Wire Ohms Measur ements by Scann ing Us e t he sa me setup s hown in t h e f irst pr ogram exam ple in t his s e ction, ex ce p t the c u r r ent source from th e m ulti me ter m ust b e c o nn e c ted t o t h e B t r ee te rmi nal .
Exampl e: Mak i ng Multiple Scans The ARM: CO UNt < number > co m mand se lec ts multi ple sc a nning c y cl es f or s witchb o x e s wit h non- d o w nloade d sca ns.
Scanning a Switchbox w ithout a Do w nloaded Scan List Th is e xampl e sh ow s a FE T switch bo x co n nec te d to a mul tim ete r w ith th e analo g bus cable .
Scanning a Switchbox w ith a Dow nloaded Scan List Th is e xampl e sh ows a FE T switch bo x co n n ec ted to multi me te r wit h the anal og bus c abl e and the di gi tal b u s cable . The switch box an d m ulti m ete r are s ep a rate VXIbus i nst r u m ents .
Scanning Voltmeter Conf iguration w ith HP E 1326B This ex a m p le shows an HP E1326B Multimeter and an H P E135 1 A / E1353 A Multipl e x er c ombined into a si ngle VXIbus instru m ent, a sca nning vol t m et er. The s econdary addre ss for t he scann ing volt me t er is 03.
Measuring Temperature Using Thermocouples (H P E1353A Module only ) Th e th er mo co upl e te rm i nal mod ule autom ati c all y co nf ig ure s th e HP E135 3 A FET Mu ltiplex er M odu le f o r t h er moc ouple r eadin g s.
Comments Mea su rin g Tem per a t ure wi t h th e HP El3 26B /El 411B Mu l ti mete rs . The HP E1326B/E1411B Multi m eters can d irectly me asure c han ne ls o f single or multiple mul tiplexer modules. The multi m eter a utomatically calcula tes the co r rect temperature f or the specifi c th e rmistor or th e rmocoupl e type use d.
Ch a pter 4 Understanding the HP E1351A /53A FET Multi plexer Modules Using This Chapter This ch apter expl ains t ec h n iques to scan the ch ann e ls of 16-Ch ann e l FET and 16-C hannel Ther moc ouple FET Mu ltiplex e r M odul e s. This c hapt er c ont a ins t he followi ng sections: • Co m mand s f o r Scanni ng Switch box Chann els .
Figu re 4-1. Scann in g Command s 46 Understa n di ng the HP E1351 A / 53A FET Mul t iple xer Mod u l es Ch apter 4.
Ha ndsh ake Tri gger ing (T RIG:SO UR BUS) Us es digital bus on faceplate of m ult iplexer mod ule. Channel Adv ance and Chann el Clos ed con tinu ousl y ha ndsh a k e wi t h Vo ltmet er Ready and Vol t m eter Co m p l ete unt il scann ing list has co m p l eted specified nu m b er o f cycles.
Example : Scanni ng wit h Exte rn a l Instrum ents This ex a m pl e u s es the m ain f rame "Trig Out" port to synchron iz e t h e mu lt iple x e rs to an HP 3457 A Digital Mu l t i m et er. See t he fo llowi ng f igure f or typica l c o nnec t io n s.
Example : Scanni ng Usi ng "T rig Out" and "Event In" Ports This ex a m pl e u s es the m ain f rame "Trig Out" and "E vent In" ports to sy nc hron ize th e m ul tipl exe rs to a n H P 3457A Di gital Multime t er.
Example : Scanni ng Using St and-Alone Multi meter a nd Digita l Bu s T rig g erin g This example is si m ilar to the pr evious one except that th e multi m eter’s "External Trigger" and &.
Example : Scanni ng Using Sca nning Vo ltmet er Confi guration and Dig ita l Bus T riggering I n this ex a m ple the HP E132 6B Multi m eter is co m bi ned with a FE T multiplex er to form a scannin g voltmet er V XIbu s instrument.
Using the Scan Complete Bit Yo u c an use th e S can Co mpl ete Bi t ( bit 8) in th e S CPI Oper a tio n St atu s Reg iste r to d et erm in e when a scanni ng cy c le c o m ple tes (n o oth er bits in the register app l y to the switc hbox).
Ch a pter 5 HP E1 351A/53 A 16-Ch annel FET Multip lexer C o mmand Reference Using This Chapter Thi s chap t er des cribes Standar d Comman ds for P rogr am mable In st ru m ents (SCPI) co mmands a nd summariz e s IEEE 488.
Command Separat or A co lon ( :) a l ways s e pa rat e s on e comma nd fr om th e next l ower leve l c ommand as s hown bel ow: ROUTe: SCAN: MO DE VO LT Col on s se pa ra te th e roo t c om man d from th e se co nd -l evel co mma nd ( ROUT e: SCAN ) and th e sec o nd -lev el from th e th ird- l e v e l ( SCAN:M ODE VO LT ).
Parameters Par a me ter Types. T h e fol l o wing tab le c ontains explanat ions and examp les of param et er typ es y ou mi ght see lat er in t his c hap t er.
AB ORt The ABO Rt subs yst e m stops a scan in pr og res s when t he scan is enabled via th e interf ace, and the t rigger m od e s are T RIGger :SOURce BUS or TRIGger: SOURce HOL D . Subsystem Sy nta x ABORt Co mment s • ABORt Opera ti on . Re sets th e t ri gg er sy s tem and pl ace s trig ger s i n idl e .
ARM The ARM su bsyst e m s elects t he nu m b e r o f scanni n g c y c les (1 - 327 67) f or each INIT co m man d. This co m ma n d does not app ly t o do w nloade d sca n li s ts. F or downloaded scan lis ts, use INIT :CO NT ON f or mu lt ip le s ca ns .
D IS Play The DISP lay subs ys t e m m oni t o rs t he c h a nne l stat e of a s elect ed mo d u le ( o r ca rd). Th i s c o m mand can on ly be use d when the FE T m ul tipl ex e r m odu le is use d in a switch bo x co nf i gu rati on.
:MONitor[:STA Te] DISPlay:MO Nitor[ : ST ATe] < mode > tu rns t he mon i tor mo d e o n or o ff. Parameters Parame ter Nam e Param et er Type Ra nge of Values mode Boolea n 0 | 1 | ON | OFF Co m.
INITiate The INI T i ate subs ystem sel e cts cont i nu ous sca nni n g c y c les a n d star ts t he sca nnin g cy cl e . Subsystem Sy nta x INIT iate :C ONTinuous < mode > :C ONTinuous ? [:IMMe.
Exampl e Ena bli ng Con tinu ous Sc a n s INI T:CO NT O N E nabl es con t inuou s scan nin g. SCAN ( @100: 115) Se ts c han ne l list. INI T Starts sc ann ing cyc le. : C ON Ti nuo us? INIT iate: CONT inu ous? qu eri es th e sc a nni n g st ate. With c o nti nuou s sca nnin g enabled, the c omma nd r e turns 1 (ON).
OUTPut The OUT Put subs ystem enab l e s or disa bles the "Trig Ou t" port of th e HP E130 0/E13 01 Main f r ame. Subsystem Sy nta x OUTP ut [:ST AT e] < state > [: ST ATe] ? [:STA Te] OUTP ut[:ST AT e ] < s tate > e nable s/di sables the " Trig Out" p o rt on the rear pane l of the HP E1300/E13 01 Main f r ame.
[R OUTe: ] The [RO UTe:] subsystem c o ntrol s swi tch in g and sc anni n g ope ratio ns for t h e mul ti plexe r mod ul e s in a switch bo x. Subsystem Sy nta x [ROUT e:] CLOSe < channel_lis t >.
Exampl e C los ing M ul t ip le xe r C ha n n e ls T h is exa m p le cl os es c ha nn e l 00 o f a mu lt i p le x er mo d u le ca r d nu mb er 1 a n d c hannel 1 5 of mu ltiplex er m odu l e c a r d nu m b er 2 in a si ng l e switchbox.
Exampl e Open i ng M u lt ip lex er C h a nn e l s Thi s ex amp le o p ens c han nel 00 of a multi ple xer m o d ul e ca r d number 1 and c hannel 1 5 of mu ltiplex er m odu l e c a r d nu m b er 2 in a si ng l e switchbox. OPEN ( @ 100,215) 100 o pe ns channe l 00 of c ard #1 ; 215 o pe ns channe l 15 of c ard #2 .
• Sca nni ng Oper ation : Wi th a vali d channel list , INI Ti ate[ :IMM ediate] star ts the scann i ng cy cle and close s the firs t c hanne l in t he chan nel list . S ucc essiv e trigg ers f rom the so u rc e spe cifi ed by TRIGger: S OURce adva nc e s the scan throu gh the channel l is t .
SC AN:MODE [R O U T e:]SCA N:MODE < mode > sets the m ultiple xer chan nels defined b y th e [ROUT e:] SCAN < ch annel_list > c omm and for No ne, V o lt s, 2-Wi re Ohms , or 4-Wire Ohm s m easu rement s.
SC AN:POR T [ROU T e:]SCA N:PORT < port > en ables/di s ables t h e tree iso latio n sw itch e s. SCAN: PORT ABUS c l ose s th e ap prop riate t ree sw itch es ( f or analo g bus c o nnectio n s). The [ROUT e:]SCAN: PORT NON E comm a nd dis ab les the tree swi tch e s and le aves t h e m op en .
SETTli ng[:T IME] [RO UT e:]SE TTl ing [:T IME] < chann el_list > set s th e delay be tween recei pt of a chan nel c lo sing tri g g er , and th e pulse w h e n the FE T chann el i s cl osed .
STA T us The ST AT u s subs yst em r ep orts t he bit valu es of the Op era t ion Sta tus Re giste r. Thi s en abl e s the Stat us Regis ter to s et a bi t after a bi t is set to 1 by t he O perat ion S ta tus Reg i s t er.
SYSTem The SYST em s ubsystem returns t h e er ror nu mb ers and error mess a g e s in th e er ror queue of a sw itch bo x , and r etu rns t h e type s and d e scriptio ns of mo d u l es (car ds) in a s w it ch box.
:CT YPe ? SYS Tem: C TY Pe? < numb er > re tu rns th e m o d ul e (c ard ) ty pe of a sel ecte d mo dule in a s w it c hb ox. Parameters Parame ter Nam e Param et er Type Ra nge of Values number.
TRIGger The TRI Gg er subs ystem c omma nd s co n trol t he sca n tr igg e rin g op eration of the mu ltiple x e r modu les. Subsystem Sy nta x TRIG ger [:IMMedi ate] :SOURce BUS | DBUS | EXT ernal | .
:SOURc e TRIGger:SO URce BUS | DBUS | EX T ernal | HOLD | IMMed i ate spe c if i e s the trigg e r sour c e to advanc e the cha nnel lis t dur ing s cann i ng.
Exampl e Sca nn i n g Usin g Ex te r n al Tri gge r s In th e f o l lo wi n g ex ampl e , th e trig g e r i nput is applied to th e HP E130 0 A/E1301 A M a in frame’s "E v e nt In " p ort. TRIG :S OUR EXT Sets trigg er source to externa l.
IEEE 488.2 Common Commands The fo llowi ng t a ble li s ts t he IEEE 488.2 C om m on ( * ) C om ma nds that t he 16-Channel FE T M u ltipl exer Modu l es accep t. Th e operati o n of s ome of th ese co m man ds i s de sc r ibe d in Ch ap te r 4 of th i s m an ual .
Command Quick Reference The fo l lowi n g tab l es su mmariz e SCPI a n d IEEE 48 8. 2 C ommo n (*) Co m ma nds f o r t he 16-Ch ann e l FET Multi p l e xer Mo dul es. SCPI Command s Quick Referen ce Command Descrip t i o n ABO Rt Ab ort a sca n in p r og r es s.
Not es 78 HP E1351 A/53A 16 -Cha nnel FET Mul t iple x er Co m ma nd Refer ence Ch apte r 5.
A ppendix A HP E135 1A/53A FET Mul tiplexer Specificati o ns * Each F ET is dio de cl am p e d to ± 14 V and a 220 Ω s eri es re sistor. Th i s l imi t s the c u rre nt to the cl am p di o de s .
Not es 80 HP E1351 A/53A F E T Mul t i ple xer Specifi cations Append ix A.
A ppe ndix B HP E1351A /53A Regis ter-Based Programmi ng About This A ppendix The HP E1351 A a n d HP E135 3A F ET a nd The rmoc o u p l e FET Mu lt iple x e rs are r egist e r-ba s e d modu le s wh i c h do not support t he VXIbu s word se rial p rotocol .
Figure B-1. Multiplexer Reg isters w ithin A16 Address Space Figure B-2. Registers wit hin HP E1301/E1406 A 16 Address Spac e 82 HP E1351 A/53A Reg ister-Based Prog ramming Append ix B.
The Ba se A d dress W hen reading o r writin g to a m u ltipl exer register , speci f y a he xa d e cimal or dec imal regist er address. Th is address c onsists of a b ase addre ss plus a reg ist er offset.
R egi ste r Of fs et Th e re giste r of fse t is the registe r’s lo c a t ion in t he bl o c k of 6 4 a ddress b y t es . For exa mp le, with a LADDR of 112 the m ulti pl e xer’ s Sc a n Chann el De lay Re giste r has an offse t of 08 16 .
Device T ype Reg ister base + 02 16 1 5 1 4 1 3 1 2 1 1 1 0 98765 4321 0 Wr ite Undefin ed Read Mode l Code Status/ Cont r ol Regi ster base + 04 16 1 5 1 4 1 3 1 2 1 1 1 0 98 7654321 0 Wr ite Undefi .
Register Bit D escriptions Th is se ctio n co nt ains a des crip tion of the fun cti on o f e ac h bi t whic h is addr ess a b le i n eac h regi st e r . The bits are l isted acco rdi ng to the titl e of the WRITE b i t n a me, with the READ def i nition at the end of t he descriptio n.
St a tu s/Cont rol Re gist er T he St at us /Co n t rol WRI TE reg i ste r is use d to re se t th e m od ule , ena bl e interr upt s, c ho o s e dire ct or sca n list co n trol of t h e c hannels and t o internally trigg e r c h anne l c l os ing.
Sca n Contr ol Re gist er T he Sc a n Co ntrol Re giste r a ll ows you to c l e ar th e scan li st , s e t t he t rigg e r m o d e and rese t th e po i n te r to th e be gi nni n g o f th e sc an l i st. Thi s reg i ste r is a RE AD-back regis ter , a llowi n g you to verify the stat e of th e WRITE regi ster.
Sca n Chan n el Co nfig u rat io n Re gist er Th ese bi t s se t th e < channel_ list > for a scan lis t, s et t he ty pe of measu rement and en able/d isabl e the t re e isolati on switch es. Note t hat th e DI R in th e Stat us/C ont r ol Regis t er m ust b e s et false to enable this regis te r.
D irect C ont r ol Re gist er The Direct Control R e gist er a llows you t o s et th e c ontr o ls for indiv i dual c h anne ls. N ote that the DIR b i t i n the Statu s/Contr ol R e gist er must b e s et t ru e f o r thi s re g iste r to b e e nabl ed.
INITiate[ :I M Mediate] is equi val ent t o wri ting a one to th e TRG INT in the Stat us/C ontr o l R e gis t er . T he TR G INT s e ts itsel f back to zero af ter pulsi ng th e FE T.
The [ROU T e:]SCAN :MODE VO L T | RES | FRE S is se t w i th C1 and C0 in the S can Channel or Direc t C o nt rol Reg i ste r. N o te that t o obtain the Therm istor re f ere nce te mperat ure fo r Thermo c ouple m easu rements, you must s et the co nfig u r a ti on bits for Thermisto r.
Register-Based P rogramming for Maximum Speed Thi s is an outl i n e of th e algorith m t hat nee ds t o be f oll owed to have the HP E1326B 5 1 ⁄ 2 D igi t Multime ter do hi g h-spe ed s canni n g usi n g the HP E13 5 1 A 16-Channel F ET M u ltipl ex er.
Now wri t e on c e fo r each ch annel i n y ou r scan lis t to the Channel Con fi g u rati on Re g i ste r . Th i s r eg is te r l oad s up a FI FO th a t wi ll l ate r ro t ate each t i m e th e HP E1326B issues a VM co m ple t e on the digi tal bus.
T h e n u mb er of r ea di ngs s p e c if ied in s a mp le c ou nt wi ll n ow b e ta ke n. If t he s a mple co unt is more than on e s can, th e sc a n lis t wil l st art over again . 5. The vol t m et e r is now ta ki n g data wh ic h is b e in g st ored in t he HP E1326 B hardware FIFO.
Multime ter Command a nd Paramet er O p co d es Tabl e B-1 c o nt ains t he m ultime ter com mand and p ara m eter opcodes . The opc od e s us ed to qu e ry t h e pa r a m et e r s ettings are also inc l u d e d.
Table B- 1 . Multimeter Co mmand an d Parameter Op c odes ( conti nue d ) (1) Spe ci fied as a 2’ s co mpleme nt b inary n umb e r. For three by te p ara m eters <upper byte> = valu e sh ifted 16 bits to th e right (>>16 ), < m iddle byte> = value shif ted 8 bits t o th e r ight (>>8), <lo w er b yte> = value.
Multime ter Re gist er -Bas ed Programmi ng Error Co des Mu lt ime t e r error c o des re la t e d t o reg i s t er-ba s ed p r ogr a mm ing a r e l iste d i n Tab le B-2. Tab le B-2. Multimeter Register-Based Programmi ng Error Code s Err or Co d e Ca u se 00 16 No erro r has occur red sinc e th e last error code wa s r ead.
A ppendix C HP E 1351A/5 3A FET Mult iplexer E rror Messages Ta b l e C-1 lis ts t he e r r or mess a ges a sso c iat ed wit h t he mu l tiplexe r m odules progra mm ed wit h SCP I c ommands . S e e t he H P E1406A Command Module User’s Manual f o r co mplete i nforma t ion o n error m ess a ges.
Not es 100 HP E135 1A/53A F ET Multip lexer Err or Messa ges App endi x C.
Inde x HP E13 51A/53 A FET M u lt iple x e r Use r’s Manu al *CLS, 76 *ESE , 76 *E S E ?, 76 *E SR?, 76 *IDN?, 76 *OPC, 76 *OPC?, 76 *R CL , 7 6 *RST, 76 - 77 *SAV, 76 *SR E, 52 , 76 *SR E?, 76 *S T.
connecti ng to d i r ect ter minals, 32 - 33 connecti ng to t ree term i n al s, 34 list, 29, 65 number s, 11 open i n g, 29, 64 query closur e, 6 4 - 65 sc an ni ng, 6 5 scann ing a range of, 36 - 37.
isola ti ng, 33 mea sur emen t a c cu ra cy , 33 Discre t e Command Pa ra meters, 55 DISPla y Su bs y stem, 58 - 5 9, 77 DISPla y :MONit or:CARD, 58 DISPla y :MONit o r[:ST ATe], 59, 9 0 D o cumen tat.
M Ma i n fr a me Addr ess, 14 Ma kin g 2- wire ohms mea sure m ents by sca nni ng, 38 4- wire ohms mea sure m ents by sca nni ng, 38 continuous s cans, 39, 60 mea sure m en ts, 34 mu l t iple sca ns, .
voltage mea sur em en ts by scanni ng, 36 - 37 Prog ramming register - based, 81 - 98 Prog rammin g Lan guage, 1 6 Q Query chan nel c losu re, 16 , 33, 64 - 6 5 error qu eue, 72 number of sca nning c .
c a r d nu mb e ri ng, 30 c ard numb e rs, 18 - 19 confi gurat i on, 12, 14, 51 c o nf ig u rat io n w i t h mu lt im e te r, 42 , 51 continuous scanning, 60 lo g ical addresses, 1 8 - 19 s etup, 15 S.
termin a l modul e (E1353A), 43 Tre e Isolati on S w i tch, 12 closi ng FETs, 34 disa blin g , 6 8 enabli ng , 68 ope n i n g, 32 - 3 3 Tree Termi nals connecti ng to switc h b o x c h a nnels, 34 des.
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