HP E1366A User Manual

Conten ts HP E1366 A/67A RF Multiple xers Use r’s Manu al Wa r rant y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 WA RNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Safe t y S y mbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Declar ation of Co nformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Reader C omment Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1. Getti ng Starte d wit h t he H P E 1366 A/E1 367A R F M u lti ple xe r s . . . . . . . . . . . . . . 11 Usi n g T h is C hapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Multi plexer M o dule Descri ptio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Basic Oper a ti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 T ypical Con fi gura t i on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Prog ra mmi ng th e Mul tipl ex er Modul e . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Spec ifying SCPI Comm a nds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Initi a l Oper a ti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2. C o nfig u ring the H P E1 366A/ E13 67A RF M u l tipl exers . . . . . . . . . . . . . . . . . . . 17 Usi n g T h is C hapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Wa r ni n g s a n d Caut ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Connec ti n g User I npu t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Typica l Mult iplexer C onfigura ti ons . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Sta nda rd Confi gur a t ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 T r ee Confi gurat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Mat rix-Type Config uratio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 Chang ing Mu lt iplexer C omp onen ts . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3. Usi ng the HP E13 66A/ E136 7A R F Mult ipl exer Mod u le . . . . . . . . . . . . . . . . . . 25 Usi n g T h is C hapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Multi plexer Comm a nds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 S wi tchi n g C h annels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Exa mp le: St an da rd S w it ch in g . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Exa mp le: T re e S witch i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Exa mp le: Ma t r ix- Type S witch ing . . . . . . . . . . . . . . . . . . . . . . . . . . 28 S wi tchi n g C h annels C omme nts . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Scan ni n g Cha nne l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Exa mp le: S ca nning Usin g Tr ig Out P o rt . . . . . . . . . . . . . . . . . . . . . . 29 Scan ni n g Ch a nne l s C o m men ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4. Unde r standi ng the HP E13 66A/ E136 7A R F Mult ipl exer s . . . . . . . . . . . . . . . . . 31 Usi n g T h is C hapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Scan ni n g Cha nne l s C om ma nd s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Usin g S c ann i ng Tri gger S o u rc e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Scan ni n g w it h Ex terna l I nstr umen ts . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Exa mp le: S ca nni ng wit h Exter n al De vice . . . . . . . . . . . . . . . . . . . . . . 34 HP E13 66A/6 7A R F Multip lexe rs Use r’s Man ual C ontents 1
Exa mp le: Sc a nning Usin g "Tr i g Out " a nd " Even t In" Por ts . . . . . . . . . . . . 35 Usin g the Scan Complet e Bi t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Exa mp le: S c a n Compl et e I nter rupt . . . . . . . . . . . . . . . . . . . . . . . . . . 36 5. HP E136 6A/E 1367 A RF M ulti ple xe r s C o mmand Re fe renc e . . . . . . . . . . . . . . . 37 Usi n g T h is C hapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Comma nd Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Comm on Comm a nd F ormat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 SCPI Comm a nd F o rmat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Li nk i ng Comm a nds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 SCPI Comm a nd Re f erenc e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ABOR t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1 :COUN t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 :CO U Nt? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 DISPla y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 :MONitor [ : STAT e] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 :MONitor :C A RD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 INITi ate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 :CONTi n uous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 :CONTi n uous? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 [:IMMedia t e] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 O UTPut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 [:STAT e ] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 [:STAT e ] ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 [ROU Te:] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 CLOSe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 CLOSe? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 OPEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 OPEN? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 SCAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 SCAN:MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 SCAN:MODE? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 STATus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 :OPERa t i on[:E VE Nt] ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 :OPERa t i on:E N A Ble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 SYSTem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 : E RR or ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 :CDEScr i pt i on? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 :CTYPe? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 :CPON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 TRIGger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6 [:IMMedia t e] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 :SOU R ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 :SOU R ce? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 8 IEEE 488.2 C ommo n Comman ds . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 9 Comman d Qu ick Refe rence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 2 HP E1366 A/6 7A R F Multip lexe rs Use r’s Man ual C ontents
A. HP E136 6A/E 1367 A RF M u lti ple xe r Spec i fic at i ons . . . . . . . . . . . . . . . . . . . . 61 Relay Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 End of Life Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Replacem en t St r a t e gy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 B. HP E13 66A/ E136 7A M ulti ple xe r Regi ste r s . . . . . . . . . . . . . . . . . . . . . . . . . 65 Regi ster D e fi n i t i ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Addr essi ng t he R egist ers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Rea din g the Re gi sters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 ID/D evice Typ e Regi ster s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Sta t us/C ont rol R egist er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 C h a nn el En able Regist ers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Wri ti n g to th e Re gisters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Sta t us/C ont rol R egist er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 C h a nn el En able Regist ers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 C. HP E136 6A/E 1367 A RF M u lti ple xe r Er ror M e ssage s . . . . . . . . . . . . . . . . . . . 69 HP E13 66A/6 7A R F Multip lexe rs Use r’s Man ual C ontents 3
Not es 4 HP E1366 A/6 7A R F Multip lexe rs Use r’s Man ual C ontents
Certificati o n H ewlett- Pac kard Company c ertif ies tha t this produ ct m et i ts published sp ec ifica tion s a t the time of shipment fr om th e factory. H ew lett- Packar d fu r ther certi fies tha t i ts ca libra tion measureme nts are tr aceabl e to the Unit ed Stat es Nation al I nstit ute of Stand ard s and Tec h- nol og y (for m erl y Nati onal Bur ea u of Sta ndar ds ), to t he ex tent al lo wed by that o rga ni zat i on’s c alib rat i on fac il it y, and to th e c al ibrat ion facil i ties of ot h er Interna tion al Sta ndar d s Or gan iz at i on m e mb er s. Warranty This Hewl et t-Pa ck ard product is wa rrant e d against defe cts in mat e rials and workma nsh ip for a period of t hr ee yea rs from date of sh ip - men t. Dura t ion and c ondit i ons of wa rrant y f o r thi s pr odu ct m ay be sup er se ded wh en t he pr od uct i s i nt e grate d in to ( be c om e s a pa rt of ) othe r HP pr oduct s . Du rin g the warran t y period, He wl ett -Pa ck ar d C o mpan y will, at its option, ei th er repai r or re pl ace pr oduct s whi ch prove to be defect ive. F or war ra nt y se r vice or rep ai r, t hi s pr oduct must be r etur ned to a servi ce fa cil it y de si gn ated by Hewl et t -P ackar d (HP ) . Bu yer sha l l pr e- pay shipp i n g cha rges to HP a nd HP sh al l pa y shippi n g charge s t o re tu rn the pr odu ct to B uy er. H ow e ver, B u y e r s hal l p a y a l l shi p ping char ges, dutie s, and taxes for product s r e turn ed to HP from another countr y . HP warra nts tha t its software and firmwar e desi gnat ed b y HP for use w i t h a pr oduct will execu te its programmin g instru ctions wh en prope rly insta lled on that product . HP d oes not warrant that the op erati on of the product, or s oftware , or f i rmwar e will be un inte rr u pted or er ro r f r ee . Limitati on Of Warrant y The for e g oin g warra nt y sh al l not apply t o de fe ct s res ulting from i mpr ope r or in ade qua t e m ai nt e nan ce by B uy er, B uy er-sup pl ied pr od- ucts or interfa cing, un authori ze d m od i ficat ion or misus e, ope ration outside of the en vironmen tal speci ficat ions for the product , or im - prope r site pr ep arat ion or maint ena nce. The des i gn an d imp lemen ta t ion of an y circuit on t hi s product is the s ole resp onsibi l ity of th e B u y er. HP d o es n ot warra nt th e Buy e r ’s circui tr y or mal functi ons of HP p r oducts that res ult from t he B u y e r’s circuit r y. In a ddit ion, HP does not warrant a n y dama ge t ha t oc- curs as a resul t o f the Bu y er’s circui t or a n y defects th at re sult fr om B u y e r-sup plie d pr oduct s. NO OTHER W A RR ANTY I S EXPRESSE D OR IMPLIE D. HP SPE C I F IC ALLY D I SC LAIMS THE IMPLIED W A RR ANT I E S OF MERCHA N TABILI TY AN D F ITNESS FOR A P AR T I CULA R P URPOSE. Exclu sive Remedi es THE REME D IES PROVI DED HEREI N ARE BUYER’S SO L E AND EXCL USI VE REMEDI ES. H P SHAL L NOT BE LIAB LE FOR ANY D I RECT, IND I RECT, SPE CI AL, IN C I DENTAL, OR CONSE QUENTI AL D AMA GES, WHET HER B A SED ON CO N- TR ACT, TORT, OR A NY OT HER LE G AL THE ORY. Noti c e The i n formation con taine d in this document is subject to change withou t notice. HEWL ETT-PA CKAR D (HP) M AKE S N O W AR- R ANTY OF ANY K I ND W I TH REGA R D T O THI S MA TERI AL, I NCL UDI NG, BUT NOT LIM ITE D TO, THE IMPLIED WAR - R A N TIE S OF MERCHANTA B I LI TY AN D F I TNESS FOR A PART I CULA R P URPOSE. HP s ha ll not be l i a ble for e r rors con t a ined herein or fo r incidental o r consequent ia l d a mages i n conn e ction w i th t h e f urnishin g , pe r formance or use of this m aterial. Th is do cu - men t c o ntains propri e ta r y i n f ormat i on whi ch is pr ote ct ed by cop yrigh t . A ll righ t s ar e re se rved. No part o f thi s d o cument may be ph o to- copied, repr oduced , or t ran slat ed to an other langua ge wit hout the prior written consen t of Hewlett-P ackar d C ompan y . HP a s sume s no r espo n sibi lity f or t he use o r re lia bi lity o f its sof tw are o n equ ipm en t t ha t i s no t fu rn is hed by H P. Restricted Rig hts Leg en d Use , dupl ica ti on or d i scl osu re by the U.S. G overnm e nt is subj e ct to res tri cti ons as s et fo rth in sub par agra ph (c)( 1)(i i) of the Right s i n Techn ical Dat a a nd C omput er Softw a re claus e in DF ARS 252. 227-701 3. Hewlet t-P ackard C ompan y 3000 Ha nover S tree t Palo Al to, Cali f ornia 94304 U.S . A. Righ t s fo r non- DOD U.S. Go ve rnme nt Departm e nts and Agen ci es are as set f or t h in F AR 5 2. 22 7-19 (c) (1,2 ). HP E 1 366A & E1 36 7A RF Mu ltiplexe r Modul es Use r’s M anu al Edi ti on 3 C opyrigh t © 1 995 He wle t t-Pa cka rd Compan y. All Right s Reserve d. HP E1366A & E 1 367A RF Multiple xe r Module s Use r’s M anual 5
F rame or chassis ground ter mi nal— t y pi- 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 te s haza rd ous v oltag e s. Ca lls at te nt i o n t o a pr oce dur e, pr acti ce, or c on dition that c ould caus e bod ily injury or de ath. Ca lls at te nt i o n t o a pr oce dur e, pr acti ce, or c on- d itio n t ha t c ould po ss ib ly cau se dama g e to equi p me nt or perma nen t los s of d at a. In dic ate s th e f ie ld wir in g ter min al th at mu st be co n nected to e arth grou n d befo re o perat- in g t he e quip me nt—p ro tect s a gains t e lectr i - cal shoc k in c ase of fault . Ins tructio n ma nual sy mb o l aff ixed to prod- uct. Ind icat es that t he us e r must r e fe r t o t he manual for sp ecifi c W A R N I NG or C AU- TIO N info rm ati on to av oi d pe rso na l i nj ur y or damage to the produ ct . or W ARNINGS The foll owi ng gener al safety pr ec aut ions mus t be observed d u ring all phases of oper ation , ser vice , and repai r of this product . Failur e to compl y with the s e precauti ons or w i th specific warnings elsewhe re in this manual violat es safety s t andard s of des ign, manufac tur e, and inten ded use of the produc t. H ewl ett-Pac kar d C o mpany assumes n o liabilit y for the cust o mer’s fai lure to co mply wi th these re qui re ment s. Ground the equipmen t : F or S afet y Clas s 1 equipmen t (equ ip ment havi n g a prot ect ive eart h termi nal ), an unint erru pt ible safet y e art h ground must be provi de d from the ma ins p ower sour ce to the pr oduct input wi rin g t ermi nal s or s u ppl ied power cable. DO NO T operate the produc t in an explos ive atmosph er e or in the pr esen ce o f flammabl e g ases or fume s. F or continu ed protect ion a gainst fir e, replace t he line fuse (s) onl y wi th fuse (s) of t he sa me volt age an d current rating and ty pe . DO NOT use repair ed fuses or short-ci rcui ted fuse holders. Keep away fr om live circuits: Operati n g personn e l must n ot rem ove equipme nt cover s or shie l ds . Pr ocedures in volving the rem o val of c overs or shi el ds are for use b y s e rvice-t ra in ed pe rsonn el onl y. Unde r ce rta in c onditi ons , danger ous v oltage s m a y e xi st even wi t h the equipmen t switched off. To avoi d dan gerous electr ical shock , DO NOT p e rf orm procedu re s involving cover or s hie ld r emov a l un less you are qua l i fie d t o d o so. DO NO T operate damaged equipmen t: Whe ne ver it i s p ossible that the sa fe t y protect i on feat ur es buil t int o t hi s product ha ve bee n i m - pair ed , eithe r thr ou gh ph y sical da m a ge, exces sive mois t ure , or an y other re as on, REM OVE POWER and do no t use the product unti l safe ope ration can b e verifie d b y service-t rain ed personn el. If necess ary, ret urn the produ ct to a Hewlett -Packar d Sa les and Ser vice Of- fice for service a nd repair to e nsure that safe t y fea t ures are mai ntai ne d. DO NO T servi ce or adjust alon e: D o not at t emp t i nt erna l serv ic e o r ad just men t u n le ss ano th er per so n , c apa bl e o f ren de ri ng f ir st ai d and resu scita tion, is p resen t. DO NO T s ubs tit ute par t s or m o dify e qui pm e nt: Becaus e of t h e dan ger of intr oducin g additional hazards , do not ins tal l s ubst itute parts or perform any unaut h orized modifica tion to the product. Return the produ ct to a Hewlett -Packar d Sa les and Ser vice Office fo r service a nd re pa i r to e ns ure th at sa fe t y feat ure s a re ma i nt aine d. W ARNING C AUT IO N Documen tati o n History All Edi tio n s an d Upd ates o f th is man ual an d th ei r cr eat io n date ar e li sted b e low . T he f irst E di tio n o f t he ma nu al i s Ed itio n 1 . Th e Edi - tion numbe r incre ment s by 1 whenever the manua l i s r evis ed . Upda tes , which are iss ued b etw een Edi ti ons, c ontain repla ce ment pa ges to correct or add additional information t o the current E dition of the ma nua l. Whenever a new Edition is created, it wil l conta in al l o f the Upd ate in f ormation for the pre vious Edi ti on. Each new Ed ition or Update also in cl ude s a revised c o p y of this do cumentat ion his- tory pag e. Edit i on 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sept e mber 1989 Edit i on 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M a rch 1993 Edit i on 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . De ce mber 1995 Safety S ymbo l s 6 HP E 1366 A & E 1367 A RF Multiplex e r Mod u les User’s M anual
Declaration o f Conformi ty 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 uf ac t urer ’s Addre ss: 815 14 th St re e t S.W. Lo veland, C olorado 80 537 decl are s, tha t the prod u ct: Produ c t Name: RF Multiplexer Mode l N umber : HP E13 66A/ E1367A Produ c t Opt ion s: All con forms to the followi ng Prod u c t Spec ific ati ons: Safety : IEC 1010 -1 (1990) In cl. Amend 1 (1992) /EN610 10-1 (1993 ) CSA C22. 2 #1010. 1 (1 992) UL 1244 EMC: CISPR 11 :19 90/ EN5 5011 (1991 ): Group1, Cl ass A IEC 801- 2:1 991/ E N5008 2-1 (1 992) : 4kV CD, 8kV AD IEC 801- 3:1 984/ E N5008 2-1 (1 992) : 3 V/m IEC 801- 4:1 988/ E N5008 2-1 (1 992) : 1kV Power Lin e .5 kV Sign al Li ne s S upplementar y Info rmation: T h e p r oduct h erewith c omplies w ith th e req u irem en ts of t he Lo w Volt ag e Di re c tive 73/23/ EEC a nd the EMC Directi ve 89/336/ EEC (inclu s ive 93/68/E EC) a n d c a rries the "CE " mark a c c ord i ngl y. Test ed in a t y p ica l HP B-size m ainfr ame. Europ ean c ontact : Your local He w lett-Pa cka rd Sa les a nd Servi ce O ffice or He wlett-Packa rd GmbH, Depa rtmen t HQ-T RE , Herr en ber ger Str aß e 13 0, D-7103 4 Böbl in gen , Germ a ny (FAX 49- 7031 -143 143) . Decem b er 5, 1 995 Ji m Wh i te , QA Ma n ager HP E1366A & E 1 367A RF Multiple xe r Module s Use r’s Man ual 7
Not es 8 HP E 1366 A & E 1367 A RF Multiplex e r Mod u les User’s M anual
Reader C omment S hee t HP E1366A & E1367A RF M ul tipl exer Modul e U ser’s M anual Edi t i o n 3 Y ou ca n help us i mprove our manua l s b y s h a ri n g you r c ommen ts and suggesti ons. In appre ciat i on of your t ime, we wi ll ente r yo u in a q uarterly dr awing f or a H ewle tt -Pac kar d Palmt op Pers onal C omp uter (U .S . go ve rn ment e mplo yees c anno t pa rt ic ipat e i n the d rawi n g ). Ple ase list the syste m contr ol ler , oper ati ng syste m, pr ogr a m ming lan g uage, and pl ug-in mo d ules y ou are using. Please penc il-in one c irc le for each state ment b e l ow: Disagree Agre e • T h e d o c u m e n t a t i o n i s w e l l o r g a n i z e d . OOOOO • I nstr uc tio ns ar e easy to u nde rst an d . OOOOO • T h e d o c u m e n t a t i o n i s c l e a r l y w r i t t e n . OOOOO • Exa mp les ar e clea r a nd usef ul. OOOOO • Illust ra tions a re cl ear a nd h el p ful. OOOOO • T h e d o c u m e n t a t i o n m e e t s m y o v e r a l l e x p e c t a t i o n s . OOOOO Please wri te any c omm e nts or s uggestions be l ow--be spe cifi c. cut along this line fold he re Yo ur Nam e C om p an y N am e Jo b Ti tle Ad dre ss Ci ty, Sta t e/ Pro v ince Co un try Zi p /P ost al C ode Te l e ph one Num b e r w ith Are a C od e BU SIN ESS R EPL Y M AI L FIRST CLASS PE RM IT NO. 3 7 LO VEL AND, CO HEWLETT-P ACKA RD COM P AN Y Learni n g Pro ducts De par tmen t P .O. Box 301 Lovelan d, CO 805 39-9984 NO POST AGE NECESSAR Y IF MAIL ED IN TH E UNI TED ST A TES M easur eme nt Syst em s D ivisi on fold he re Ple ase fold and t ape for mailing
10 HP E1366A & E 1 367A RF Multiplexe r Mod ule User’s Manual
Ch apter 1 Getting Started with the HP E1 366A/E136 7A R F Mu ltip lexers Using This Chapter This ch apter includes a n RF mu ltipl exer’ s d e scription, addre ssin g gui delines, and a n ex a mple to c hec k initial op eration. Chap t e r c o ntents ar e: • Multi pl e xer Mo dule Descripti o n . . . . . . . . . . . . . . . . . . . . . Page 11 • Pr og r am m in g t he M u lt i p lex er M od u le . . . . . . . . . . . . . . . . . Pag e 1 3 • In itia l O p era tio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pag e 1 5 Multiplexer Module Description The HP E1366 A 50 Ω RF Multi pl e x er (2 x 4:1) and the H P E1367A 7 5 Ω RF Mult iplex er (2 x 4: 1 ) are VXIbus and VMEbus B-si z e regist e r-ba s e d produc ts which p rovi de bidirecti onal switch in g and scanni ng for use r inputs and out puts . The m ultipl e x ers can op era t e in a B-siz e VXIbus or VMEb us mainframe or (with an adapt er) in a C-siz e VXI b us main frame. For t h e R F mult iple x e rs, s w itch i ng co nsi s ts of co n n ec ting a c hann el to it s c ommon t ermi n al. Scann i ng c o nsists of c onn e ctin g a se ries of c h annel s ( one at a t ime ) to the app ropr ia t e commo n t erminal. Ba sic O perat ion The multi pl e xe rs co nsis t of two b a nks of ch ann e ls (bank 0 and b a nk 1) to form tw o 4:1 multi p l e xers. Ban k 0 includ es c hann els 00 t hrough 03 and com 0 0. Bank 1 i ncl ude s ch an n e ls 10 th roug h 1 3 an d c o m 10. S` e e Figu re 1-1 f o r a s imp lifi e d s wit c hin g diagra m. Each c hann e l is switched ( c onnec t ed to its co m mon) b y closi ng the appropriat e (nonlatch ing) relays. Channels 00 t hrou gh 0 3 c an b e switch e d to co m 00 , and ch an n e l s 1 0 th ro ugh 1 3 c an be sw it ch ed to co m 10 . On ly one c h annel in e a ch ba n k can b e c onnect e d to its co m mon at a t i m e. Us er i nputs an d outputs t o e a c h c hann e l a re ma de th r ough B NC c o n ne c tors . Wh en o pe n (d i scon ne cte d f ro m c o m mo n) , e ach c hann el i s te rmi n ate d in it s c har act eri stic i mp e dan c e ( 50 Ω f or the E1366 A , 75 Ω for t h e E13 6 7 A). A t erminat i on resistor ( 50 Ω f o r the HP E1366 A or 75 Ω fo r th e HP E 1367A) is mou n ted o n eac h c hannel, but ca n be re mo v e d as d e s ir ed. A t p ower- o n or re set, all c han nels are ope n and te rmi nate d in their ch arac te risti c im pedanc e, and both co m mons are open. Chap ter 1 Get ting Start ed with th e HP E136 6A/E1367 A RF Mul t i p le xers 1 1
Figu re 1-1. Mu ltiplexers Sw itch i ng Diag r am 12 Gett ing Sta rte d with the HP E1366A/E1 367A RF Mul tiple xers Ch apte r 1
Ty p i ca l Co nfig u rat io n The multi pl e xer re lays are c o n fig ured in a “ tre e” s tructur e whi c h p rov i des hig h isolation a nd lo w V SWR ( v oltage sta ndin g wa v e ra t io). Eac h c hannel can switc h user inputs up to 4 2 Vdc or 42 Vac p eak. Us e r input f r e qu encies to the mul tipl ex er s c an be from d c to 1.3 GHz. The m ulti p l e xers can b e co nfigu red f or sev eral a rrangem ents, s uch a s st andard, t ree, or mat rix . You can us e single scanning, m ulti p l e scanning, or co nt in u ous s can n ing f or a n y co nf ig ur a t io n. For a SCPI (Standa rd C o m man ds for Pr ogra mmab le Instr u m ents) envi ron m ent , one or m ore multi pl e xers can b e de fi n e d as a s w i tchbox instr u m ent. For a switc hbox ins tru m ent , all mu l tipl exer ch anne ls with i n th e instr u m ent can b e ad dress e d usin g a s i ngle interfa ce addr e ss. Programming the M ultiplexer Module To progr am t h e R F mult iple x ers us ing S CP I, you mus t s elect the c ontrolle r lan guage , in terf a ce ad dres s, and SCP I co m mand s to b e use d . Gui delin es to sel ect S CPI co m mands for the RF multipl exer s f o ll ow. See the app ropr iat e HP B -size or C-siz e c onfi guration gui de fo r in terface ad dressi n g and c ont r ol ler langua ge informatio n. No te Thi s discussio n appl i e s to S CPI p r ogrammin g. See Appe ndix B, RF Mul tipl ex ers Reg ist e rs, f o r in f orm ation on mul tipl ex er register s. Spec i f y in g SCPI Comman ds To ad dres s spe cifi c chann e ls wi thi n a n R F m ul tipl exe r, yo u m ust spe ci fy th e S C PI com mand and m ultipl ex er chann el add ress. Fo r th e RF multi pl e xers , use CLOSe < chan nel_list > to s witch ( c lose) c h anne ls a nd us e OPEN< chann el_lis t > to disco nnec t chan n e ls . Use SCAN < ch annel_ list > to sc an ( se que nti a lly clo se ) m ul tipl e x e r c hann el s. M ult ip lexe r C han nel Addres s For t h e RF mu lt iple x ers, th e c h anne l addre ss ( chann el_lis t ) is in t he f orm: • ( @ccn n ) fo r a si ngl e c hann el • ( @ccn n,ccn n) f or mul tipl e chann el s • ( @ccn n:ccnn) for se qu en tial chan n e ls • ( @ccn n:ccn n,ccn n:c c nn) for grou ps of seq uenti al c h annel s • or a ny c omb ination of t he ab ove where "cc" is t he m ultipl e x er ca r d nu mb er (01-99) an d "nn" is t h e c hannel nu mb ers (00-03 a nd 10-13). Chap ter 1 Get ting Start ed with th e HP E136 6A/E1367 A RF Mul t i p le xers 1 3
Multipl exer Ca rd Numbers The multi pl e xer ca rd numb er depen ds on the switchbox c o n fig uration (si ng le- module or multipl e- m odule) set fo r the m ulti p lex er s. (Le ading ze r oes c an be ig n or ed fo r th e c ard n u m be r .) For a sin g l e-m od ul e sw it c hbo x, the car d numb er is a lwa ys 01. For a m ulti pl e - mo dul e switch bo x, the card num be rs are 01, 02,... ,n. Th e s witch module wi t h the low e st l ogica l a ddr e ss is a lw a ys ca r d n u m b er 01. The c ard n u m be r with th e next successiv e lo gi cal addr ess i s card num be r 02, and so on. See th e HP B-siz e configur at ion gui de fo r a d e f initi o n of log i cal ad d r esses. Examp l e: Mult iple-M odule Sw itchbo x Card Numbers Assum e t he th ree mu ltipl exers in th e f ol lo wi ng fig ur e fo rm a mu ltip le-m u ltip lex er s witchb ox ins tru m ent with mult iple x e r lo gical addre ss es of 120, 121, and 122. Sinc e ca r d nu mber 01 is a s s ign ed t o the mo d ule with the l owest log ical a dd r ess, etc. , th e ca rd nu m b ers are as sho wn. Mult ip lexer C han nel Numbers RF multi p lexe r c han nel nu m b e rs are 00 throug h 03 and 10 th rou gh 1 3. The c ha nnels can be addr essed usi ng c hannel n u m bers or channel r a nges. For a si ngle-module sw it chbox, channel r anges can span across th e tw o channel banks. Fo r m ultipl e-modu le s w itchboxe s, ch annel ranges can span across t he c hannels of all m odu les. Figure 1-2. Multiple-M ultipl exer Switch box Instru ment 14 Gett ing Sta rte d with the HP E1366A/E1 367A RF Mul tiple xers Ch apte r 1
Us e c o m mas ( , ) to fo r m a c h annel list or u s e a c o lo n ( : ) to f orm a ch ann e l rang e. O nl y vali d chan nels can be acc e ss ed in a ch an n e l li st or c han nel ra n ge. Also, t h e c h annel list or c hann el r ange m ust b e from a lo w er cha nne l numb er t o a high e r c h annel nu m b e r. For e xa mp le, SCAN (@100:213) is acc eptab le, but SCAN (@ 213:100) g e n e rates an e rror. Example: RF M ultip le xer Channel L is ts /Ranges Chann el Li sts: CLOS (@100,112) ! Cl ose ch an nels 0 0 a nd 12 on car d 01 OPEN ( @ 203,210) ! Op en c han nel s 0 3 and 10 on c ard 02 C h ann el Ra nges: OPEN ( @ 100:113) ! Ope n all channe l s on ca rd 01 SCAN ( @100: 213) ! Scan all c hannels on c ards 01 and 02 Init ia l Oper atio n An exampl e pro g ram f ollows which u ses H e w l ett- P ac k ard B ASI C an d SCPI lang u age to g et y o u started u s in g th e RF multiple x ers. Th e c o m p ut er use d in the ex ampl e i s an H P 900 0 Se rie s 200/ 300 (o r e quiv ale nt) c o nt ro l l e r w ith H P B A SIC as the p rog ram lan gu ag e . T he c o m pute r in terf ac es to th e mai nf rame usi n g th e Hewlett -Packard Inte rf a c e B us (HP-IB) * . Th i s pro gram cl o ses channel 02 of an RF multiplexer at l ogical address 120 (secondary ad dress = 12 0/8 = 15) and qu eries t h e channel closure s t at e. The result is returned to t h e co ntro l l er and display ed (1 = cha nn e l closed, 0 = ch an ne l open ). See th e H P B-size c onfi g urati o n guid e for i nf o rmati o n o n addressin g . Example: Cl o se M u lt ip lex e r Channel OUTP UT 70915;"CLOS (@ 102)" ! Cl ose c ha nne l 02 OUTP UT 70915;"CLOS ? (@ 102)" ! Que ry c ha nne l 02 st at e ENTER 70915;Val u e ! Enter re sult into Value PRI NT Val u e ! Display re sult END Chap ter 1 Get ting Start ed with th e HP E136 6A/E1367 A RF Mul t i p le xers 1 5 * HP-IB i s H ewlett-Pack ard ’s i m plem entat ion of I EEE Std 488. 1-1 984
Not es 16 Gett ing Sta rte d with the HP E1366A/E1 367A RF Mul tiple xers Ch apte r 1
Ch apter 2 Confi gur ing the H P E 1366A/ E 1367 A RF Multiplexers Using This Chapter Thi s ch apter sh o ws how to make use r c on necti o ns to the RF multi plexe rs and h ow to co n figu re the m u lti p lexe r modul es. Chap ter conte nts a re: • Wa r n ing s a n d C au tio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pa g e 17 • Conn ectin g Use r I np uts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P age 18 • Typic al Multipl exer Con f ig uratio ns . . . . . . . . . . . . . . . . . . . Page 2 0 • Chang in g Multi plexe r Co mp on e nts . . . . . . . . . . . . . . . . . . . . P age 2 3 Warnings and Cautions War ning SHOCK HAZ A RD. Only qualif ied, servi ce-trained pe rsonnel who are awar e of the haz ards i nvol ved shoul d ins tall, confi gure , or r e move the RF multiplexers. Remove a ll po wer sources from th e mainframe and inst a lled modules befo r e ins tall in g or remov ing a modul e. War ning C HANNEL WIRING INSUL A TI O N. A ll c hannels that have a comm on c onnect i on m u st be i nsul at ed s o th a t the user is protec ted from elec trical shock in the even t that t wo or more channels are conne cted together. This means wiring for a ll ch annels mus t be insul a ted a s though each cha nnel ca rries the voltage of the h ighest v oltage cha nnel. Cau tion MAXI MUM VOL TAGE/CURREN T. M axi mu m vol tage betw een any RF mul t iplexer center conduc tor or shield to an y oth e r cent er conductor, shiel d, or chassis ground is 42 Vdc or 42 Vac peak. M aximum current per channel or com mon is 1 A dc or 1 A ac R MS. Ma ximum s witchi ng pow er i s 24 W or 24 VA p er c ha nn el or comm on. Maxi mum pow er per r esisti ve t er minati on is 1 W or 1 VA . Exceedin g any lim it may d amage th e modul e . Chap ter 2 Config u rin g th e HP E136 6A/E1367 A RF Mul tip le xers 17
Cau tion CEN TER CONDUC T O R MAY SH O RT TO SHIELD. Each channel ’ s center conductor may momentarily short to the shield when the channe l is opened or closed. Use only resi s t iv e ( 5 0 Ω or 7 5 Ω ) or cu r rent-li m ited ( < 1 A) inputs with l ess t h an 0. 1 µ F total capa c ita nce . Cau tion S TATIC-SE NSITIVE D EVICE. U se anti- stati c proc edure s whe n remov ing, c onfiguri ng, and ins tall in g a module . The multi plex er modul es are suscepti ble to static d is charges. Do not in stall a mu ltiplexer without its meta l shield attached. Connecting User Inputs User inputs to the RF multiplexe rs are made through user-suppl ie d male BNC connectors to th e fe m al e BNC c onne cto rs o n th e module s. Fi gur e 2-1 sho ws th e multipl exer femal e BNC connect ors and associa ted chan n e l number s. Figure 2-1. BNC Connecto r Locati ons 18 Conf igur ing t he HP E13 66A/E136 7A RF Mult ip le x ers Ch apte r 2
S o m e guid e l ines for us er input cab ling a re: • Fo r bes t high -freq uency pe rf orm anc e, us e r cabli n g sh ould h ave a t least t wo b r aide d s h ields or one bra id a nd a f oi l wr a p. • Al ways use s hi e l ded c oaxial c ab l e s with the char act eri stic imp e danc e of t he mu lti p le x er us ed (50 Ω or 75 Ω ). Ke ep c a bles as sh ort as possi ble, espe c i ally in hi gh-f requ e nc y circ uits or pulse c ircuits where a ris e/fall time of <50 ns ec is critical. • Long cables can add d e lay time whic h can caus e t i m in g problem s. Al l te s t e q uipm e nt , such a s co un te rs , spe c tr um an al y z e r s, an d osc il losc opes , m ust b e t erminat ed i n the chara c t eristic imp edanc e to min imi z e ref l e ctio n l oss . • To m ain tain l ow d c o ff set vo lt ag es , ca ble s sh o uld hav e c oppe r ce n ter c onductors, n ot c opper-clad s t ee l. RG-233 /U cable is re c ommended. Tab le 2-1 list s H e w l e tt-Pa c k ar d BNCca b les whi ch meet t he s e guid e li ne s . Tab le 2-1. Hew l ett-P ackard BNC Cable s Type Le n gth Part Num b er 50 Ω c o a x i al 30 cm (12 in ) 61 cm (2 4 in ) 122 cm (48 in ) 8120-1838 8120-1839 8120-1840 75 Ω co a xial 30 cm (12 in ) 61 cm (2 4 in ) 5062-6452 5063-0061 Chap ter 2 Config u rin g th e HP E136 6A/E1367 A RF Mul tip le xers 19
T y pical Multiplexer Configurations Typ ical RF mu ltiple x er configur at ions ar e: • S tandar d c onf iguration (2 x 4:1 multip lex er) • T ree c o nfi gu ration ( 1 x 12: 1 mul tiplexe r) • M a trix-type co n figu rat ion (4:1 t o 4: 1 mul tiplexe r) Sta ndard Co nfig u rat io n Figu re 2-2 shows t h e s ta ndard conf i gu r atio n (2 x 4:1) fo r th e RF mu ltiple x ers. W ith t his c onfiguration, you ca n switch c hann e ls 00-03 to co m 0 0 an d sw itch ch an ne ls 10- 13 to c o m 1 0. O ne chann el p e r ban k c an be c onnec t ed to its co m mon at a t i m e. Figu re 2-2. Typ i cal Stan dard Co nf igu ratio n 20 Conf igur ing t he HP E13 66A/E136 7A RF Mult ip le x ers Ch apte r 2
T ree Co nfig urat ion Figu re 2 -3 show s a ty pic al tree co nf i gu rati on w h ich use s tw o RF mu lt ip le x ers t o pr o v i d e a 1 x 12 :1 mu lt ip le x er . T hi s co nf ig ur a t io n p r ovi d e s iso lation of test points while mainta inin g ch ar a c t eristi c im p e danc e . With tree c onfigurat ion, s ig n al delay t ime is more than doub led sinc e the signa l must p a ss throug h tw o ch ann e l bank s pl us e xtra cabl in g . K eep c ab le s as sho rt as possible, espe c ial ly betwe en chan nel b anks, to m in im i ze del ay. Figu re 2-3. Typical Tree Co nfig uratio n Chap ter 2 Config u rin g th e HP E136 6A/E1367 A RF Mul tip le xers 21
Matrix- Typ e Co nfig u rat io n Fig ure 2-4 shows the tw o bank s o f an RF multipl exe r co n n ecte d to form a matrix - t yp e a r ra ngeme nt . This c onfi gurat ion pr o vides a way t o co nnec t multiple d e v ic e s under test (DUTs) t o mul t iple test instr u m ents. With t his c onfigurat i on, only o ne chann e l in bank 0 ( one “ row” ) can b e c onnect ed to one c hannel in bank 1 ( on e “ colu m n ” ) at a t ime. Fi gur e 2-4. Typi cal M at rix-T ype Con fi gurati o n 22 Conf igur ing t he HP E13 66A/E136 7A RF Mult ip le x ers Ch apte r 2
Changing Multiplexer Components As re qu ired , you can chang e th e lo gi cal add ress sw itch s et ting, re place th e p r otecti o n f us es , chan g e th e inter rupt prio rity jum pe r s ettin g, o r r emo ve c hannel t erminat ion r e s istors. See F i gure 2-5 f or loca t io ns. Figu re 2-5. RF Mu ltiplexer Co mpon ent Lo cati ons Chap ter 2 Config u rin g th e HP E136 6A/E1367 A RF Mul tip le xers 23
Not es 24 Conf igur ing t he HP E13 66A/E136 7A RF Mult ip le x ers Ch apte r 2
Ch apter 3 Usin g the H P E13 66A/ E1367 A RF Multipl exer Module Using This Chapter This ch apter p rovi d es e xa mples to switch multiplexer channels and to scan mu ltip lex e r channels . As requ ired s ee C hap t er 4 , Und e rsta n ding the RF Mu lt ip le x ers , t o mo d i fy t he exa m p les f or you r a p pli c a tio n. A ls o, s ee Chapt er 5, RF Multiple x ers C ommand R efere nc e , fo r c ommand inf orm ation. C hapter c o nt ents are : • Mu lt ip le x er C om m a n d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pag e 2 5 • Sw itch ing Chann els . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P a ge 25 • Sc anning Channel s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P age 29 Multiplexer Co mmands Tab le 3-1. RF Mul tiplexer Comman ds Used in Chapter 3 Comma nd Descri ption CLOS < channel_l ist > OP EN < chan nel_li st > Clos e chan n els Op en ch annels TRIG :SOUR BUS |EXT |HOLD |IMM SCAN < chann el_lis t > INI T S et scann in g trig ger sour c e D efine chann els to be scann ed Start scan , clos e fir st chann el S w itching Channels • Sw i tc h i ng ch an ne ls co nsi s ts of c l osi ng or ope n in g a chann e l. Cl ose ch ann el s 00- 03 by co nn ect i n g a c ha nn el to co m 0 0 or c lo s e chann el s 10-13 by co n nect ing a c hannel to c om 10. Onl y one c hann e l pe r bank ca n b e clos ed a t a time . • Use CLOSe < ch annel_ list > to cl o s e c hann els use OPEN < cha nnel_list > to open ch ann e ls. channel_li st has t he f orm (@c cnn) fo r a sing le c ha nnel , ( @ccn n,ccn n ,.. .) fo r tw o o r more cha nne ls , or ( @ccn n:c c n n) f o r a se t of c h ann els wh ere cc = c ard nu mb er, nn = c hannel nu m b er. • Switch ing c onf igurations inclu de s ta ndar d, matrix , and tree . S ee Chapt e r 2 f or co nfiguratio n det a ils. Chap ter 3 Usi ng t he HP E13 66A/E136 7A RF Mult iple xer Modul e 2 5
Exa mple: Sta ndard Sw itc hin g This exam p le co nnects c h anne l 02 to com 00 of an RF mu l tipl ex er in standar d c o nf igurat ion. The multip lex e r is def ined as a si ngle- m ult iple x e r s witch b ox instr u m ent. See t he f o llo w ing f igur e f or t yp ical u s er con necti o ns . To connec t ch ann e l 02 to co m 00, ex ecute : CLOS (@102) ! Conne ct channe l 0 2 to com 00. 1 is the c ard numbe r and 02 i s the chann el numbe r. To op en t h e c h annel, u s e OPEN ( @ 102) . Figu re 3-1. Stan dard Switch i ng 26 Usi ng the HP E1366 A/ E1367A RF Multiple xer Module Ch apte r 3
Exa mple: T ree Sw i tc hi ng Thi s e xample use s tw o RF mul tiplexe r s in a t ree co n f i gu rati on t o c o n nect com 10 of mul tiplexe r #1 with chan nel 12 of multipl exer #2. The two mu ltip lex e rs form a mu lt iple -mu ltip lex er s witc hbox ins tru m ent wit h multi plexe r # 1 a s c ard 01 and multi ple xer # 2 as ca rd 02. Se e th e f o ll owi n g fig ure f or typic al use r co n n ec tion s. To make th is co nn ecti on, ex e cute : CLOS (@112,212) ! Connect com 10 of mul tipl exe r #1 t o chan n el 12 of m ult ip l exer #2 . To op en t h e c h annels , us e OPEN ( @ 112, 212) . Fi gure 3-2. T ree Switch ing Chap ter 3 Usi ng t he HP E13 66A/E136 7A RF Mult iple xer Modul e 2 7
Ex ample : Matrix- Typ e Sw itc hin g This ex a m p le co nnects c h a nnel 13 to chann e l 01 of an RF mu lt iple x er in ma tr ix -t yp e co nf ig ur a t io n. Th e m u lt ip le x er is d e f in e d a s a sin g le-m od u le s witch b ox instr u m ent. See t he f o llo w ing f igur e f or t yp ical u s er c onnect io ns. To co nnec t c han nel 1 3 to ch ann e l 01, e x ecute : CLOS (@101,113) ! Connec t channel 01 to channel 13 . 1 is the c ard numbe r and 01 , 13 are ch anne l numbe rs. To op en the c hannels, u s e OPEN (@101,113) . Sw itc hin g Ch ann els Comments Q uery Channe l States. Us e CLO Se? < ch annel_ list > or OPEN? < channel_l ist > t o qu ery t he c hannel stat e s ( op en/cl o s ed). CLOSe? re tu rn s a 1 fo r ch an nel s cl ose d , 0 fo r chann e ls o pe n. OPEN? re tu rn s a 0 fo r ch ann el s cl o se d, 1 fo r chann e ls o p e n. (Co mm and s d o n ot acco un t fo r re lay hardware fail ures .) C h a n nel Closu r e Orde r. CLOSe < channel_ list > can b e us ed to cl ose mu lt ip le c hann e ls (o n e at a t im e). H o wev e r, t he s e qu enc e i n whic h mu lt ip le c hannels are closed with a s ingl e c o mmand is n ot guar ant eed. Figure 3-3. Matrix- Type Sw itch i ng 28 Usi ng the HP E1366 A/ E1367A RF Multiple xer Module Ch apte r 3
Scanning Channels • S c anni ng c hann el s c o n sists of closi ng a set of c hannels , on e c hannel at a ti m e. You can s can any co m binati o n of ch annel s for a si n g l e- m ulti p l e xer or m ultiple - mul tipl ex er switch box. • Si n g l e, mul tipl e, or co nt in u ous scanning mo des a r e availabl e. Any s witch ing c onfigurat ion ca n b e us ed for scanni n g. S e e C ha p t er 4. Examp le: Sc a nn ing U s ing Tr i g Ou t Por t This example sh ows one way to synch ronize instrument me a sur ement s of DUT s with RF multiplexer channel closures. For measurement synchronization, the HP E1300A/E1 301A Tri g Out BNC port is con nect e d to the instrument Ex te rn al Tr igge r I n po rt. S ee the foll owin g fig ure f o r typi ca l use r c onne ctio ns. For t h i s exa mp le , t he main f ra me a nd ins t r u m ent are c on n ect ed v ia HP- IB with mainfra m e add r ess of 70 9 a n d instrume nt a ddr e ss of 722 . The RF mu ltip lex e r is at lo g ica l ad dress 120 ( s econdar y addre ss 15). (You must a dd requ ire d instru ment c omma nds t o line 10. ) 10 OUTPUT 722;"TRI G EXT;.... " ! Ext tri ggerin g 20 OUTPUT 70915;"OUTP O N" ! E nabl e Tri g Out 30 OUTPUT 70915;"TRIG :SOUR BUS" ! Bus tri gge rin g 40 OUTPUT 70915;"SCAN (@ 100:103)" ! Sc an chan nels 50 OUTPUT 70915;"INIT" ! E nabl e sc an 60 F OR I=1 T O 4 ! St art l oop 70 ENTER 722;A ! E nter re sult 80 PRI NT A ! Disp lay re sult 90 T RIGG ER 70915 ! A dv anc e sc an 100 NEXT I ! Inc re me nt coun t 110 EN D Figu re 3-4. Scann i ng Usin g T r ig Out Po r t Chap ter 3 Usi ng t he HP E13 66A/E136 7A RF Mult iple xer Modul e 2 9
Sca n nin g Ch ann els Comments Sca n Li st Ca n Ex ten d Ac ross Boun d a r ie s. Fo r multi pl e - mul tipl ex er switc h b ox instru m ents, the scan li st ca n ext end ac ross multiple x er boundaries . For ex am p le, fo r a two- m ultiple xer switc h b ox instru m ent, SCAN (@100:213) w i ll sc an all c hanne ls in both m ulti plexe r s. Setti ng Mu ltipl e/Con ti n uo u s Sc an s. Use ARM:CO UN < numb er > to se t from 1 to 3 2 767 sca ns throug h th e scan l ist. Us e INI T: CO NT O N to se t c ontinuo us scanni ng. S ee Ch apter 4. 30 Usi ng the HP E1366 A/ E1367A RF Multiple xer Module Ch apte r 3
Ch apter 4 Un ders tand ing the H P E13 66A/ E1367 A RF Multiplexers Using This Chapter This ch apter explai ns t ec h nique s to scan RF mu ltipl exer ch ann e ls and s ho ws h o w t o us e t h e Sca n C omp let e b i t. Th e c ha p ter co nt ent s a r e : • Sc anni n g Ch anne ls Co mmands . . . . . . . . . . . . . . . . . . . . . . P age 31 • Usi ng Scanni ng Trig ger Sou rc e s . . . . . . . . . . . . . . . . . . . . . P age 31 • Sc anni n g wi th Exter nal In str u ment s . . . . . . . . . . . . . . . . . . . P age 3 1 • Using the S can C om p let e Bit . . . . . . . . . . . . . . . . . . . . . . . . P age 36 Scanning Channels Commands Sc anni ng R F multi pl e xer chann els c on s ists of c losing a s e t of chann e ls, o ne at a tim e. Si ngl e scan, multi pl e ( 2 to 32 767) scans, or cont inuous scanni n g modes are avail able. Se e Fi gu re 4-1 fo r sc a nning c o m mand s. Using Scanning Trigger Sour ces The TRI G:SO U R c om mand spe cifi es th e source to ad vance the s can. Yo u can us e the TRIG c omm and t o ad vance th e s can wh en TRIG:SOUR BUS or TRIG :S OUR HO L D is s et. The OUTP co mm and can be use d to enabl e the HP E13 0 0 A/E1301A Trig Out or th e HP E1405A/E1406A port. F igure 4-2 sh o w s scanni ng trigg er s ou rc e s. Scanning w ith External Instruments Sc anni ng RF multi ple xer chan nels has t h e same effec t as e xecutin g multipl e CLOS e c omma nds . Thus, scann i ng is u s e ful whe n t he outp uts 7 f r o m a number of DU Ts are to be me asured wi th an in st ru m ent . Two ex am p les usin g H P B A SIC progra mmin g la ng ua g e f o llo w. Chap ter 4 Und erst andi n g th e HP E136 6A/E1367 A RF Mul t i p le xers 31
Se ts N u mbe r of Sc a n ni ng C ycle s AR M:CO UN < nu mbe r > set s 1 to 32 76 7 s can s thr ough th e ch ann el li st per IN IT command. Default is o ne sca nning cycle. Selects t he Tr igger Sou r ce TRIG:S OUR defines t he trigger source to ad vance the scan . D efault i s TRIG :SO UR I MM. TRIG :SO U R? que ri es the c urrent t rigger sou rce. S our c e s ar e : BUS = *T RG vi a HP-IB in te rface EXT = Eve nt In co nn ecto r HOLD = Ho l d tr ig g e r in g IMM = Aut om a tic a d vanc e Sel ect s Con tinu o u s Sca nn i n g Cycl es Use INIT:C ONT ON or INIT :CON T 1 to e nab le con tin uous s cann ing cy cl es. Def a ul t m a de i s fix ed numb er o f sca n s, w ith n umber set by ARM:CO UN< nu mbe r >. Selects Scan Mo de SCA N:MODE sets the RF multiplex ers for NONE , VOLT , RE S , or FR E S . NONE , VOLT , and RES have no ef fect on RF mul tiplexer operatio n. FR ES sets "p aire d-cha n n el" scan ning. Selects t he S c an List SCA N< chann el_list > def i n e s ch ann els to be s ca n ned using the trigger source s et by the TRIG:SOUR command. Enab les Scanni n g INIT starts s can n ing for any trigger s ource an d cl o s es t he firs t chan nel in t h e chan nel l is t . Advances t h e S can TRIG can be used to a dvan ce t h e sca n for TRIG :SO UR BUS or T RIG : SO UR HO L D. The command is not func ti o n al w h e n T RIG :S OUR IMM or TRIG:SO UR EXT is set. Figu re 4-1. Scann i ng Chan n els Co mmand s 32 Und erst andi n g th e HP E136 6A/E1367 A RF Mul tip le xers Ch apte r 4
Enablin g Tr i g Out Port (OUTP ON) The Trig Out por t i s shared by all inst rum e nt s i n th e ma in fr am e. Wi t h th e por t enabled (wit h OUTP ON), it gene ra tes an out put tri gge r af te r each cha n n el c l osu r e for ANY swit chb o x in the ma in fram e. T h e T rig Ou t po r t o utp uts a 5V negativ e-go i ng pulse. Bus Trigg e ring (TRI G: SOUR BUS) TRIG :SOUR BUS d efines trigg er sourc e as a *TRG or GET co m mand ex e cut ed ov er th e HP- IB. With TRI G :SO UR BUS, t h e scan list is a dvan c ed f or each *TRG or GET co m mand rec eived. Advance Sc an (TRIG) Can use TRIG com mand to ad- vance the scan list w hen sw it ch- box i s in TR IG:S OUR HOL D o r TRIG :SO UR BUS. Fo r eith er trigg er so urc e, t he scan li st advanc es one channel per TRIG comm and . T rigger Hold (T RIG:SO UR HO LD) T RIG : SO UR HO L D pr even ts e x ecu t i o n of triggers until t rigger source is changed. Can use T RIG c ommand to tr igger a switch b ox set to TRIG: SOUR HOL D. Figu re 4-2. Scann i ng Trig ger Sou rces Im medi ate Tr igg ering (TRI G: SOUR IMM) TRIG:S OUR IMM se ts immedia te (int ern al) triggering. The scan li st i s aut om atical ly advanc ed. This is the def a u lt tr i gge r mode . Exte rna l Trigger (TR IG) TRIG :SO UR EXT s ets external trigg er in g . Th e t ri g g er sour c e is a (use r supplied ) input t o th e E v ent In port. Use a 5V negat ive-g oing pul s e to trigger. Wi th two or mor e switchb o xes i n a mai nf ra me, t h e first swi t chbo x s e t for EXT trigg er ke ep s th e tr i gg er resource until th e swi tc hbox sour ce is chan g ed to BUS, HOLD, or IMM. Chap ter 4 Und erst andi n g th e HP E136 6A/E1367 A RF Mul t i p le xers 33
Examp le: Sc a nn ing wit h Ext ernal De vice This e xa m ple use s th e HP E1300A /E1301A mai nf rame "Tri g Out" po rt to synchronize the RF m u lti p le x er channel c losures to a n exte rnal measur ement dev i ce . S ee t he f igu re b elow for t ypic a l u s er c onn ect i on s. F or measur em ent s ynchr o ni za t ion, t he HP E1300A /E 1301A T rig Out BNC por t is conne ct e d to th e in stru m ent Exte rnal Trigger In por t. For th is exampl e, th e HP E1300A /E1301A and th e ins tru m ent a r e connec t ed v ia HP-IB w ith HP E1300A /E1301A address of 709 an d instrume nt address of 722. T he R F multiplex e r logical address is 120 (secondary address =120/8 =15). The m e asur ements are tr a ns fer r ed dire ctl y to th e co mpute r. (Appro priate in stru m ent com mands m ust b e added to line 10.) The s equ ence of op e ration is: 1. INI T (l in e 50) clo ses ch ann e l 1 00 . 2. Th e c hann el c l o su re c a use s a t rig g e r o u t put fr om t he "T r i g Out" port. 3 . Trigge r t o Ext Trig I n init iat es c hanne l 100 measur em e nt. 4 . R esult is s ent t o t he c o m pu t er ( lin e s 60 to 80). 5. TRIGGER command (li ne 90) a d vances th e sc an to c han nel 1 01. 6 . Step s 2-5 a r e r epeat ed f or chann e ls 101 throug h 1 02. 10 OUTPUT 722;" TRIG EXT;..." ! Confi gure inst rume n t 20 OUTPUT 70915;"OUTP O N" ! E nabl es "Trig Out" p ort 30 OUTPUT 70915;"TRIG :SOUR BUS" ! HP-IB bus tri gge ri ng 40 OUTPUT 70915;"SCAN ( @ 100; 102)" ! Sc an chan ne ls 00-02 50 OUTPUT 70915;"INIT" ! E nabl e sc an 60 FOR I = 1 T O 3 ! Start c oun t lo op 70 ENTER 722;A ! Ente r re adi ng 80 PRI NT A ! Disp lay re adi ng 90 TRIGG ER 70915 ! A dv anc e sc an 100 N E XT I ! Incre me nt coun t 110 E ND Figure 4-3. Scan ning with External Device 34 Und erst andi n g th e HP E136 6A/E1367 A RF Mul tip le xers Ch apte r 4
Examp le: Sc a nn ing Usi n g "T rig Out" and " Ev en t In " Po r ts This ex a m p le uses t he HP E13 0 0 A/E1301A mainfr a m e "Tr i g Out" and "E v e nt In " ports to sync hron i z e R F mult iplex e r c hannel c losures with an exte rnal m easu rement device. See t h e fig u re bel ow for ty pic al u ser conn ections . For th is ex amp l e, the m ainf ra me and i n st r u men t are conn ect e d via HP-IB wi th mainf rame addre ss of 709 and inst ru m ent add r es s of 7 2 2. The RF multip lex er’s logi cal address is 1 20 ( s eco ndary ad dress = 1 20/8 = 15). With this example, si nce sy nch roniz atio n wi th the c ompute r c ann ot b e ens ured, th e external in s tru men t must have in t ernal memory c ap a c it y to store the re adi ngs . Also, y ou mus t add the app ropr ia t e i nstru m ent c ommands t o l ine 10. The seq u enc e of op e ra t ion i s : 1. INI T (l in e 50) clo ses ch ann e l 100. 2. Th e c hann el c l o su re c a use s a t rig g e r o u t put fr om t he "T r i g Out" port. 3 . Tr igge r t o Ext Tr ig I n star ts c h anne l 10 0 me a sur ement. 4. Chann el 100 measu r ement resu lt is stor ed i n instru ment. 5 . Trigge r is t hen ou tput from multimet e r’s "M E A SUREMENT COM PLET E" p ort. 6 . Trigge r to "Ev ent I n " port advanc e s scan to channel 101 . 7 . Step s 2-6 a r e r epeat ed f or chann e ls 101 throug h 1 02. 10 OUTPUT 722;" TRIG EXT;..." ! Con figure inst rume nt 20 OUTPUT 70915;"OUTP O N" ! E nabl es "Trig Out" p ort 30 OUTPUT 70915;"TRIG :SOUR E XT" ! E vent In tri gge ri ng 40 OUTPUT 70915;"SCAN ( @ 100: 102)" ! Sc an chan ne ls 00-02 50 OUTPUT 70915;"INIT" ! E nabl e sc an 60 E ND Fi gure 4-4. Scan Usin g " T ri g Out " and "Event In" P o rt s Chap ter 4 Und erst andi n g th e HP E136 6A/E1367 A RF Mul t i p le xers 35
Using the Scan Complete Bit You ca n us e t he Sca n C o m p let e Bit (b it 8) in t h e O peratio n S ta tus r e gist er of a sw itchbo x to d eterm in e when a scan n in g cycl e co m pl e te s (no oth er bit s in t h e regis ter appl y to th e sw itch box). B it 8 has a d e cimal v alue o f 256 and yo u can r ead it di re ctly with the ST AT : O P E R ? command. Ref er to STAT u s :OP ERati on [ :E VENt ]? co m man d in Chapt er 5 f o r an examp le. When en abled by the STAT :OP ER:E NAB 2 56 c omma nd, t h e Sca n C omp le t e Bit will b e repo rt ed as bit 7 of the St a tu s r eg iste r. Us e th e HP-IB Seri al Pol l or t he IEEE 48 8. 2 C ommo n C ommand *STB? to re ad th e Statu s registe r. W hen b i t 7 o f t h e Status r e g ist e r is e na b l ed by t he *SRE 128 Com mon C o m m an d to as s ert an HP- IB Servic e Re qu est (SR Q ), you c an in t er r up t the c omp u t er wh e n t he Scan Com p let e Bit is s et, a f te r a sca nnin g c y cl e c omp let e s. This al lows th e c ontr o ller to do ot h e r op e ra t ions while t he sca nnin g cy cl e is i n progre ss. Th e fol l ow i n g ex am ple mon ito rs bi t 7 i n the St atu s re gi ste r to de te r min e when th e sc a nning c y cle c ompl et es . T h e co mputer use d i n this example is an HP 900 0 S eries 200/ 300 us ed wit h HP B ASIC as the progr amm ing langu a g e . The c omput er int erfa ces wit h an HP E1300 A/E130 1 A mainfr a me over HP-IB . Th e H P-IB sel e ct code i s 7, the HP-IB p rimary addres s is 09, and th e HP-IB s econ dary addres s is 1 5. Ex amp le : Sca n Co mp le te In te r r up t 10 O UTPUT 70915; "*CLS" ! Clear all switchbox status structur e 20 OUTPUT 70915 ; "STAT:OPER:ENAB 25 6" ! Enab le Sc an Comp lete B it to set bit 7 in St at us reg ister 30 O UTPUT 70915; "*SRE 128 " ! E nabl e b it 7 of St atu s re giste r to assert SRQ 40 O UTPUT 70915; "TRIG:SO UR EXT " ! E xte rnal trig ge r mo de 50 O UTPUT 70915; "SCAN (@10 0:105)" ! Select chan ne ls to be scann ed 60 O UTPUT 70915; "INIT" ! Start sc ann ing c y c le 70 W HIL E NOT BIT (SPOLL (70915) ,7) ! Wa it ing f or sc an compl ete 80 P RINT "DO OTH ER OPERA TION HERE" ! Enter program line s for computer to do ot her ope r ations 90 END WHILE 100 PRINT "INT ERRUPT GENER ATED" ! Progr am goe s to this line after interrupt ge ne rated by a completed scanning cycle 110 EN D 36 Und erst andi n g th e HP E136 6A/E1367 A RF Mul tip le xers Ch apte r 4
Ch apter 5 HP E1366A /E1367A RF Multip lexers Command Reference Using This Chapter Thi s chap t er des cribes Standar d Comman ds for P rogr am mable In st ru m ent s (SC PI) a nd su m mar izes IEEE 488. 2 Comm on ( * ) co mman ds appl icable to b oth RF Mu ltip lex e r mod u les. S ee the app ropr iate HP B- s iz e or C- s iz e c onfigurat i on gui de for addit ional in f o r m at ion o n SCPI an d Commo n c ommands. This ch apt er c ont ains t he f o llowi ng s ections. • Com mand Type s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P age 3 7 • S CPI Co m mand R efe rence . . . . . . . . . . . . . . . . . . . . . . . . . . Page 40 • IEEE 488.2 C om m on C o m m a n ds . . . . . . . . . . . . . . . . . . . . . P age 59 • Com mand Qui c k Re f ere n c e . . . . . . . . . . . . . . . . . . . . . . . . . . P age 60 Command Ty pes C o m man ds are s eparat ed i nto two typ e s: IEEE 488. 2 C omm on c o m mands and SCPI c o mma nds. Common Comman d F ormat The IEEE 48 8. 2 standa rd de f ines the C o m mon c ommands that perf orm fu nct io n s lik e re s e t, sel f-t e st , st a t us b yt e qu er y, e tc. C ommon c o mm a nd s are fou r or fiv e c haracte rs in length, always b egin with th e ast erisk c har ac t er ( * ), and may in c lud e one or m ore p aramete rs. The co mman d k e y w ord is se p ara te d f rom th e fi r st pa ram ete r by a sp ace ch ar acte r. Som e exam pl es o f C o m mon c omma nds ar e s h own b e l ow: *RST *ESR 32 *STB ? SCPI Comma nd For mat S CPI co mman ds p e rform fun cti o n s l ike cl osin g sw itch es, an d que ryi ng instr u m ent s tat e s or retrie vin g data. A subs ys t em comma nd s tructur e is a hiera r c hi cal stru ct ur e that u sua lly c ons ists of a t op-l e v e l (or root) c o mm a nd, on e o r m o re l o wer - l e v e l co mm an ds, an d the ir pa ram ete r s . Th e fo l lo wi ng exampl e sh ows part of a ty p ical subsyste m: [RO UT e:] CLOSe< ch an nel _l ist > SCAN< cha nn el_list > :MODE ? [RO UT e:] is the ro ot c omma nd, CLOS e and SCAN a re s eco n d -lev el co mma nd s w ith p ar ame te rs , an d :MODE? is a thir d- level c omma nd. Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 37
Command Separat or A co lon ( : ) always s ep a ra t es one co m ma n d f rom t he next lower- l evel c ommand as shown bel ow: ROUTe: SCAN:MODE ? Col on s se pa ra te th e roo t c om man d from th e se co nd -l eve l co mma nd ( [ROUT e:]SCAN ) and th e se cond le vel from th e th ird le v e l ( SCAN:M ODE? ). Ab brev iate d Co m mand s The c o m man d sy ntax shows m ost c o mman ds a s a mixt ure of upp er - and lower cas e le tt e rs. The up p ercas e let t ers ind i cat e t h e abbr e via t e d sp el l ing f or the c omma nd. For s hort er progra m lin e s, s end the abb r eviated f orm. For b ett er progra m reada b i lity, you ma y s e nd t h e en tire co mmand. Th e in s tru m ent w i ll accep t eithe r the ab brevi at ed fo rm or th e e nt ire co mmand. For exa mp le, if the c omma nd synta x shows MEAS u re , t hen MEA S and MEASURE are both ac c ep table form s. Oth er f or ms of MEASure , such as MEASU or MEA SU R w ill ge ne r a t e a n e r ror. Y ou ma y us e up p e r- or low e r c a s e lett ers. T h e r e f o r e , MEASURE , m ea s u r e, a n d MeAsUrE are al l acc eptab le. I mplie d Co mmand s I m pl ied co m ma n ds ar e thos e w h ic h a p p e a r in squa r e brack e ts ( [ ] ) in th e com m and synt a x. (Note th at the b rac ket s are no t pa rt of the c om mand an d ar e not s ent to th e ins tru m ent.) Supp ose you sen d a sec ond-l e v e l command bu t do no t sen d the pre c e di n g im pli e d c o m m and . In th is c ase , th e instr u m ent a ss u m es you intend to us e the implied c omma nd and it resp on ds as if you had s ent it . Exam ine the SOURce subsys t em shown b e lo w : [SOURc e:] PULSe :CO UNt < count > :COUNt? [<M IN | MA X>] :PE Ri od < period > :PERi od? [<MIN | MAX>] The roo t c om mand S O URce: is an im pli ed c o m mand . To set the instr u m ent’s pu lse cou nt t o 25, you ca n send either of the fol lowin g com mand s tateme nts: SOUR:P ULS:CO UN 25 or PULS:CO UN 25 38 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
Parameters Par a me ter Ty pes. Th e fol l o wing table contains 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. Tab le 5-1. SCPI Parameter T yp e s Pa ram et er T y pe Expl ana ti ons and Exam ple s Numer i c Acce pts al l c ommonly u s ed de ci m al represe nta tions of num b e rs i ncl udi n g opt i o nal si gns, decim al poi nts, a n d s c ie n ti f i c no ta ti on . 123, 123 E2, -123 , -1. 23E2, . 123, 1. 23E- 2, 1. 2300 0E-0 1. Sp ecial cas es include MI N, MAX, and INF. Bo olean Repres ents a singl e binar y condition t hat is either tr u e or fa ls e. ON, OFF, 1 , 0. Discr ete S elec ts fro m a finite number of v alues. Th es e pa ra m et ers use mnemon ics to repr esent each val i d setti ng. An exa mple is th e T RIGger:S OURce < sou rce > c om m and whe re < source > can b e BUS, EXT, HOL D, or IMM. Opti o na l Pa r amete r s. Para meter s shown within squa r e b r a ck e ts ( [ ] ) ar e op ti on al p ar am ete r s . (No te th a t the b rack et s are no t pa rt o f th e co m man d and ar e not sent t o the instr u m ent.) If you d o not spec if y a valu e for an optional parame t er, t h e instru m ent c h o os es a default valu e. For examp le, co nsid er the ARM:CO UNt ? [<M IN | MAX>] co m mand . If you sen d the c omm an d w i t h out s p ec if yi ng a p ar am e t er , t h e p r es en t ARM: COUNt value is re turned . If yo u s end th e MIN p aram ete r , th e co m mand re tu rns th e mi n imu m count avail able. If you s e nd th e MAX p a ra mete r , t he co mmand re turns the m ax i m u m c ou nt avail abl e . Be s ure t o place a s pac e b etw een th e c omma nd a nd t he para m et er . Linkin g Co mmand s Lin k in g IE EE 4 88. 2 C ommon Com m a n d s wi t h SC P I Com ma n ds . Us e a semico l on ( ; ) be t w een the co mmands. For e xample: *RST;O UT P ON or TRI G:SO UR HOLD; *RST L i nki n g M ult ip le S C PI C o mm a n d s . Us e b ot h a s em i co lon ( ; ) and a c ol o n ( : ) be tween the c om mands . Fo r ex ampl e : ARM CO UN 1; :TRI G:SOUR E XT Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 39
SCPI Command Reference Th is se ctio n de scri b es th e Stand ar d Comm and s for P ro gramm abl e I nst r u m e nts (SCPI) co m m an ds for t he R F mu l tipl exers . Command s are li st ed alphabe tic a lly b y subs ys tem a nd w it hin e ac h subs ys tem. AB ORt The ABO Rt su b s yst em stops a scan in pr o gress when t he scan is enabled via th e interf ace, and the t rigger m od e s are TRI Gger:SOURce BUS or TRIGger: SO URce HO L D . Subsystem Sy nta x ABORt Co m ment s • ABORt op erat io n invali dat es the current c hannel list a nd s e ts ARM:CO UNt 1 (one scannin g c ycl e p er INIT iate c o mmand), sets INI Ti ate CONT i nuous OFF ( no c on ti nuo u s sc an ni n g c y cl es ) , an d se ts TRIGger: S O URce I MMedi ate (co ntin uo us in te rn al t ri g g e r ing ) . • Stopp ing Sca ns Enabled from I nterface: Wh e n a scan is enabled from th e in ter fac e, use an in te rf ace CLEAR co m mand or the HP E1301A front panel “ Re set In str” o r “ Cl ear In st r ” k ey to stop the sca n. Wh en th e sc an i s en abl ed from th e i nte rf ac e an d th e t ri gg e r so urce is TRIGger: SO URce B U S or TRIGger :SOURce HO L D , us e AB ORt or th e HP E1301A front panel “ Re set In str” o r “ Cl ear In st r ” k ey to stop the scan. • Stopp i ng Sca ns Ena b led fr o m F ro n t P a n el : W hen a sca n is ena ble d from th e H P E1301A fron t panel , e xecu te *RST ente re d vi a the int erfa ce or t he fron t pa ne l “ R eset I n st r” or “ Cle ar I n st r” k e y t o stop the scan. • R e la te d Com m a nd s : ARM , INIT iate: CO NTi nuous , [ROUT e:]SCAN , TRIG ger Exampl e Stopp i n g a Sca n with ABORt TRIG :S OUR BUS ! *TR G command is t rigger s our ce INI T:CO NT O N ! S e t cont in uous sc ann ing SCAN (@100:103) ! Scan c han ne ls 00- 03 INI T ! Start sc an, close channel 00 . . ABO R ! A bort sc an in prog ress 40 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
ARM The ARM su b s yst e m s elects t he nu m b er of sca nni n g c y c les (1 thr ou g h 327 67) for each INIT iate comm and. Subsystem Sy nta x ARM :CO UNt < number > MI N | MA X :COUNt? [MIN | MAX] :COUN t ARM:COUNt < num ber > MIN | MA X allows scann i ng c ycles to occur a mu ltiple of t i m es (1 to 327 67) wit h on e INIT iate c ommand when INI T i ate: CONTi nuous OFF |0 is s e t. MIN set s 1 cy c le an d MA X s ets 327 67 cy cl es . Parameters Param et er Na m e Parameter T ype Ran ge of Values <numbe r > nu m eric 1 |32767 | MIN |MA X Co m ment s • Nu mber o f Sca ns: Use on ly valu e s b etween 1 t o 32767 f o r t he nu mb er of s c a nn i ng c yc les . • Re la t e d Com m a nd s : ABORt , INIT iate: IM Medi at e • *RST C o n dit io n: ARM: COUNt 1 Exampl e S etti n g Te n Sca nn i n g Cycles Thi s ex am ple s e ts an R F mul tipl ex e r fo r 10 scans of ch annels 00 th rough 03. W h en t he sca n s e qu enc e comp let e s, c h anne l 03 is c lo s e d. ARM:COU N 10 ! Se t 10 sc an s p er INIT command SCAN (@100:103) ! Sc an chan ne ls 00-03 INI T ! St art sc an, close c hann el 00 Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 41
:COUN t? ARM: COUNt? [MIN | MAX] retur ns curr e nt nu m b e r of sca nni n g c y c les s et by ARM:COUNt . The c ur r ent numb e r of scan cycl es i s ret urned when MIN or MAX is not su p pli e d. W ith MI N or MA X pa s sed a s pa ra m et ers, MI N returns 1 and MAX r etu rns 3276 7. Parameters Param et er Na m e Parameter T ype Ran ge of Values MIN | MAX nu m eri c MIN = 1, MAX = 32767 Co m m e nt s • R e la te d Com m an d s: INI Tiat e[: I M Medi ate] Exampl e Quer y Nu mber o f Sc an ning Cycl es This ex am p l e s et s a switc hbox f or 10 s cann ing c ycles of c hann e ls 0 0 throu gh 03 a nd qu e rie s t he nu mb e r of s can c y c les s et. T h e ARM:COU N? c omma nd retur ns 10. ARM:COUN 10 ! S e t 10 s c an s per INIT command ARM CO UN? ! Que ry numbe r of scans 42 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
D IS Play The DISP l ay subs ys t em monit ors t he c hannel sta t e of a s elec t ed mo dule (or card) in a s witch bo x . Th is subsyste m o p erate s only with mainf rames whic h have a d isplay, su ch as t h e HP 75000 Ser i e s B Mainfr a me (HP E130 1 A). Subsystem Sy nta x DISPla y :M ONi t o r [:ST ATe] < boolean > :CARD < number > | A UTO :MONitor[:STA Te] DISPlay: MO Nit or[ :S T ATe] < boole an > turns t he monit or mod e on or off. Parameters Param et er Na m e Parameter T ype Ran ge of Values ON | OFF | 1 | 0 boolea n ON | OFF | 1 | 0 Co m me nts • M o n i to r i n g S w it ch bo x C h a n n e ls : DI SPlay[ : STA Te] O N or DISPl ay[ :STAT e] 1 turns the monit or mod e on t o s how t h e c hannel stat e of t he s e lected modu le . DISPl ay[ :STAT e] O FF or DISPl ay[ :STAT e] 0 turns the monit or mod e off. • S el ect i n g th e Modu l e t o be Mon it or ed: Use th e DISPl ay: MONi tor :CARD < number > AUT O c o m mand to s el e ct t h e mo du le . • M o n i tor Mode on an HP E13 01A M a infra m e D isplay: A typi cal display f or the HP E1366A or HP E1367A RF Multiplex er modu l e fo ll ows , w he r e c hann el 00 (i n b an k 0 ) an d ch an ne l 1 3 ( i n b ank 1) ar e c losed. B0:0 B1:3 • *RST C o n ditio n : DI SPl a y :M ONi tor[ :STAT e ] OF F | 0 Exampl e Ena b ling the Mo nitor Mode DISP:M ON:CARD 2 ! Se le c ts mo d ule #2 in a s w it chbox DIS P:M ON 1 ! Turns the monitor mode ON Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 43
: M ONi t or: CAR D DISPlay: M O Nit or: C A RD < nu mber > | A UT O s elects t he m odu le in a sw i tc hbo x to be mo ni to re d. Parameters Param et er Na m e Parameter T ype Ran ge of Values < numb er > | AUTO num er ic 1- 99 Co m ment s • Sel ect i n g a Speci fic Modul e t o be Mo n itored : Use t he DISPl ay: MO Nitor :CARD command to s en d the modu le nu mb er f o r th e sw itc hbo x t o be mon ito re d. • Sel ect i n g th e Pre sent Modul e to be Moni tored: Us e the DIS Play: MO Ni tor:AUT O co m m a n d to s elect t he la st mo dule addre s s ed by a s witc hi ng c omma nd ( e .g., [RO UTe:]CLO Se ). • *RST C o n d i t io n: DISPlay :MONit or: CARD A UTO Exampl e Sel ect Module #2 in a Switc hbox f or Moni toring DISP:M ON:CARD 2 ! Se le c ts mo d ule #2 in a s w it chbox 44 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
INITiate The IN IT iat e subsy s tem sel ects co nt in u ous scan ning cycles and star ts the scanning cyc le. Subsystem Sy nta x INIT i ate :C ONTinuous ON | OFF | 1 | 0 :C ONTinuous ? [:IMMedi at e] :CONTinu ous INIT iate: CONT inu ou s O N | O F F | 1 | 0 en a b les or disa b le s c ont inuous sc a nning c y cl e s for th e swi tchbox . Parameters Param et er Na m e Parameter T ype Ran ge of Values ON | OFF | 1 | 0 boolea n ON | OFF | 1 | 0 Co m me nts • Co ntinu o u s S can n i ng O per atio n: C onti nu ous scan ning is enabl ed with th e INIT iat e:CO NTi n uou s O N or INIT iate:CO N T i n uous 1 command. Sending the INIT i ate[ :IMM edi ate] c ommand clos e s t he first channel in t he channel list. • Each t r ig ger from a t rigger so urc e sel e ct ed by t he T RIGger:SOURce c omma nd adva nc e s t he scan throu g h the c hann e l list . A tr i gger a t th e en d o f th e c hann el l is t cl ose s the f irst c hann el in th e ch ann el li st and t he sca n cy cl e re p e ats. • N o n- C o n tinuo u s Sc anning Operat i o n : This i s enab led with the INIT iate:CO NT in uous OFF or INIT:CONT 0 command. Sending the INIT :IMM c ommand close s t he f irst channel i n t he c hannel list. Each t rigge r fro m a tri gger source s e lec t ed by th e TRIGger: SOURce c omma nd adva nc e s t he scan throu g h the c hann e l list . At t he en d of th e scanni n g c ycl e , all c han nels in the ch ann e l li st are clo sed. • Stopp ing Cont i n uo u s Scan s : See th e ABO Rt co mmand. • Re la te d Com m an d s: ABORt , ARM:CO UNt , TRIG ger • *RST C o n d i t io n: INIT ia t e:CO NTi nuous OFF Exampl e En abli ng Con tinu ous Sc a n s Th i s e x ampl e e n abl es c o n ti nuo u s sc an n i ng o f ch a nn el s 00 th roug h 03 o f a si ng le - m o dul e sw i tch bo x . Sin c e TRIG ger:S OURce I MM edi ate (d e fa u l t ) is set , use an in terf ac e cl ear co mmand (suc h as CLEAR ) to s t op t h e sca n. INI T:CO NT O N ! Enable c on ti nuou s sc an nin g SCAN (@100:103) ! De fine cha nne l list INI T ! St art sc an c y cle , clo se c han ne l 00 Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 45
: C ON Ti nuo us? INI Tiate: CONT inu o u s? queri es th e sc a nning s tate . With co ntinuo us sca nnin g enable d, the c omma nd r e turns 1. W ith c ont inuous sca nning di sa bl ed , th e c o mma nd re tu rn s 0. Exampl e Q ue ry Cont i n uo us Sc anni n g Sta te This ex am p l e enables c o n tinuous scann ing of a switchbox and qu eries the stat e. Sinc e co ntinu ous scann i ng is enab l e d, INIT :CONT ? r eturns 1. INI T:CO NT O N ! Enable c on ti nuou s sc an nin g INI T:CO NT? ! Query c on ti nuou s sc annin g stat e [:IMMed iate] INIT iate[ :IMMed iate] st art s th e s can nin g cy cl e an d cl ose s th e f ir st chann el in t h e c h anne l list. S ucce ssi ve t rigg e rs fro m the source s e lect ed by the TRIGger: SO URce comm and advanc es t h e sc an th rough th e c han nel li st. Co m ment s • Sta rti n g the Sc a n ni ng C ycle : The INITiat e[:IMMedi ate] c ommand st arts scanning b y cl osing the firs t chan nel i n the ch ann e l lis t. Each trigg e r rec eived adva nc e s t he sca n t o the next c hannel in t he c hann e l list. An in valid c hannel list de f i nition ge ne r a t es an error ( s ee [ROUT e:]SCAN c o m mand). • Stopp i ng Sca nni n g Cycles: See th e ABO Rt c ommand. Exampl e E nabling a Single Sc an This exam p le enable s a si ngle sca n of c hann e ls 00 t hrou gh 03 of a sin gle- m od u le s witchbox. T h e t r ig g er source to advanc e the scan is immediat e (internal) triggering set with (default) TRIGger :SOURce IMMedi at e. SCAN (@100:103) ! Scan c han ne ls 00- 03 INI T ! B eg in sc an, close c hann el 00 (use imme diat e trigg eri n g) 46 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
OUTPut The OUT Put subs ys t em enab l e s or disa b les the “ Trig Out” p ort of t he HP E1300 A /E13 0 1 A main frame or t he HP E140 5 A /E14 0 6 A mo dule. Subsystem Sy nta x OUTP ut [:ST ATe] ON | OF F | 1 | 0 [: ST AT e ]? [:STA Te] OUT P ut[:ST AT e] ON | O FF | 1 | 0 en ab l e s / disables the “ Trig Out” p ort on the rear pa ne l of t he HP E1300 A/E130 1 A mainfra me or the HP E1405 A /E14 0 6 A mo d ule. OUT Put[: ST AT e] ON | 1 ena bles th e port and OU TP ut[ :STAT e ] O F F | 0 d i sabl es th e po r t. Parameters Param et er Na m e Parameter T ype Ran ge of Values ON | OFF | 1 | 0 boolea n ON | OFF | 1 | 0 Co m me nts • Ena b l i n g “ Tri g Out” Port: W hen e na b led, a pu ls e is output from th e “ T rig O ut” po rt af ter each sc anned sw itch b ox ch ann e l is cl ose d. If disab led, a pu ls e is not output from t he p ort after c hannel c losur es. The out put pulse is a 5 V negativ e- g oi ng p ul s e . • “ Trig Out” Port Shared b y Sw itchboxes: Whe n e n able d , the “ Tri g Out” po rt is pulsed by any s witch bo x each time a scann ed c hannel is c losed. To disable t he output f or a specific s witc hbox, s end th e OU TP ut[:ST AT e] OF F or O UT P ut[ :ST AT e] 0 c omma nd f o r th at switch bo x. • Re la te d Com m an d s: [ROUT E:]SCAN , TRIGger: SO URce • *RST C o n d i t io n : O UT Put[:S TA Te] O F F (port d is a b led) Exampl e E nable "Trig Out " Port OU TP :STAT ON ! Enable “Trig Out” port to output pulse afte r e ach scanned channel i s closed [:STAT e]? O UTP ut [:ST AT e] ? que rie s th e pre se n t st ate of the “ T ri g O ut” po r t . Th e co mma nd re tu rn s 1 i f th e po r t is en abl e d or 0 i f th e po rt i s di sabl ed . Exampl e Q uer y “ Tri g Out” P ort En abl e State This ex a m p le enables the “ Trig Out” Port and qu eries the enable s tat e . The OU TP ut[ :STAT e] ? co mma nd ret urn s 1 sin ce the po rt i s en abl ed . OU TP :STAT ON ! E nabl e “Trig Ou t” p ort OU TP :STAT ? ! Query p ort enab le stat e Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 47
[R OUTe: ] The ROUT e subsy stem c o nt rol s switch i n g and scann ing ope r at i on s for R F mul ti plexe r mod ul e s in a switch bo x. Subsystem Sy nta x [ROUT e:] CLOSe < chann el_lis t > CLOSe? < chann el_lis t > OP EN < channel_li s t > OPEN? < channel_li s t > SCAN < channel_l ist > :M ODE NO NE | V OLT | RE S | FR ES :MODE ? CL OS e [RO UT e:]CL OSe < c h a nn el_lis t > cl os e s th e R F m ul tipl e xer c hann els spe cifi ed by ch an nel _l ist . Th e ch an nel _l ist ha s th e fo r m (@ c cn n) w he re cc = car d n u m b er (01-99) a nd nn = c h annel nu mb e r (00-03 and 10-13 ) . Parameters Param et er Na m e Parameter T ype Ran ge of Values <c han ne l_list > nu m eric cc00- cc03 , cc10- cc13 Co m me nt s • Cl osin g C h an ne l s: To c l os e: – a sing le chann e l, us e [ROUTe:] CLO Se ( @ccnn) – mul tipl e chann el s, use [ROUT e:]CLOS e (@ ccnn,cc nn) – s equen t ial c hannels, u s e [ROUTe:] CLOS e (@cc nn:cc n n) – groups o f s e qu en tial ch ann e ls, us e [RO UTe: ]CLO Se (@ccnn: ccnn, ccnn: ccnn) – or any c o mb ina t io n. Clos ure ord er f or m ulti p l e c han nels w ith a sing l e comman d is no t gu arant eed . • Re la te d Com ma n ds : [RO UT e:]OP E N , [ ROUT e: ]CLO Se ? • * R ST Co nd it io n: All ch ann e ls ope n. Exampl e C lo s in g M ul t ip le xer C hann e ls This exam p le c l o s e s c hannels 100 a n d 213 of a tw o- m odu le s witchb ox (card nu mb ers 01 and 02). CLOS ( @100, 213) ! Close c ha nne ls 10 0 and 21 3. 100 clo ses chan ne l 00 of card #1; 213 cl ose s cha nne l 13 of card #2 48 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
CL OSe? [RO UT e:]CL OSe? < c han nel_ list > re tu rns th e c urre n t st ate of the ch a nn el (s) qu eried. T h e chan nel _l ist i s in t h e fo r m (@ c cn n) (se e [RO UTe: ]CLO Se fo r de fi ni tio n) . Th e co mma nd ret u rns 1 fo r c hann el (s) cl o s ed or returns 0 for c hannel(s) op ened. Co m me nt s • Qu e ry i s Softwa re Rea db a c k : The [ROUT e:] CL O Se? co m mand re tu rns th e c urre n t so ftw are s t at e of the chann e l (s) sp e cifi e d. It does not acc ount for re lay hardwa re failur es. A maximu m of 127 c hannels at a time can be queried f or a m u lti-modu le switc hbox. Exampl e Qu er y Ch a nn el Cl osu re This exam p le c l o s e s c hannels 100 a n d 213 of a tw o- m odu le s witchb ox and que ri es cha nn el cl o sure . Si nce th e c hann el s are p rogr amme d to be c l o s e d, 1,1 is returne d as a str i ng. CLOS ( @100, 213) ! Close c ha nne ls 10 0 and 21 3 CLOS? (@100, 213) ! Query c ha nne ls 10 0 and 21 3 stat e OPEN [ROUT e:]O PEN < chann el_list > opens th e R F mult iple x er c h anne ls spe cifi ed by chan nel_li st . Th e channel_li st h as th e fo r m ( @c cn n) w he re cc = car d n u m b er (00-99) a nd nn = c h annel nu mb e r (00-03 and 10-13 ) . Parameters Param et er Na m e Parameter T ype Ran ge of Values <c han ne l_list > nu m eric cc00- cc03 , cc10- cc13 Co m me nt s • Ope ni ng Ch ann els: To open : – a s ing le chann e l, us e [RO UT e:] OPEN ( @ cc nn) – for m ultiple chann els, use [ROUT e: ]OPEN (@ccnn,c cnn) – s equen t ial c hannels, u s e [ROUTe:] OP EN (@ccnn: ccnn) – groups o f s e qu en tial ch ann e ls, us e [RO UTe: ]OPE N (@ cc nn:cc nn,cc nn:cc nn) – or an y co m b i nation. Open in g o rder f or m ultiple chan nels w ith a sing l e comman d is no t gu arant eed . • Re la te d Com ma n ds : [ROUT e:]CLO Se , [ RO UTe: ]OPE N ? • *RST C o n ditio n : A l l chann e ls ope n. Exampl e Open ing Ch a n ne ls This exam p le op ens c hanne ls 100 a nd 213 of a t w o- m o dule s witch b o x (car d nu mb ers 01 and 02). OPEN (@100,213) ! Open chann el s 100 an d 213. 100 o pe ns channe l 00 of c ard #1 ; 213 o pe ns channe l 13 of c ard #2 Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 49
OPEN? [RO UT e:]O PEN? < chan nel_li st > re tur ns t h e cur r en t sta te of t h e c ha n n e l (s ) qu eried. T h e channel_list is in the fo rm (@ccn n) (se e [RO UT e:] OPEN fo r defi ni tion ). Th e comm and re tu rns 1 f or chann el (s) open or ret urns 0 fo r c hannel(s) cl os ed. Co m me nt s • Qu e ry i s Softwa re Rea db a c k : The [R O UT e:] O PEN? co m mand re tu rns th e cu rre nt softw a re st ate of the chann e ls spe ci fie d. It do e s not acc ount for re lay hardwa re failur es. A maximu m of 127 c hannels at a time can be queried f or a m u lti-modu le switc hbox. Exampl e Quer y Ch a nn el Open St a te This exam p le op e ns c hannels 100 a nd 213 o f a t wo- m o d u le s witch b o x and qu eries c h annel 213 sta t e . S i nc e channel 21 3 is pr ogr a mm e d t o b e op en, 1 is returne d. OPEN (@100,213) ! Ope n chann el s 100 an d 213 OPEN? (@213) ! Que ry c ha nne l 21 3 state 50 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
SCA N [ ROUTe:]SCAN < c hann el_list > de f i n es the chann e ls to be sc ann ed. The cha nn el_list has th e form ( @ccn n) where cc = c ard n u mbe r (01-99 ) and nn = c hannel nu mb e r (00-03 and 10-13 ) . Parameters Param et er Na m e Parameter T ype Ran ge of Values <c han ne l_list > nu m eric cc00- cc03 , cc10- cc13 Co m me nt s • De f ining Sca n List : W he n ex ecut ing [ROUT e:] SCAN , t he c hannel l ist is che c k e d fo r v al id card and c hann el num b e r s. An e r ror is ge ner a ted fo r an i nv al i d chann e l l is t. • Sca nn ing C h a n nels: Y ou c an sc an si ngl e c hann el s (@c cnn) ; m ulti pl e ch a nn e l s ( @ccn n ,ccn n, .. .); se que nti al c hann el s (@ cc nn : ccn n ); groups o f s equ ent ial c hannels (@ cc nn :ccn n,cc nn :ccn n); or any c omb ination. • Sca nn ing Oper a tion : Wh en a vali d chann el li st is def in ed, INI Ti ate[ :IMM edi ate] b egi ns the sca n a n d cl os es the f irst c hannel in th e ch an nel li st . Succ es siv e t ri gge rs from th e so urce spe ci fi ed by TRIGger: SOURce advanc e s the sc an through th e c hannel l ist. • Stopp ing Sca n: See the ABORt comman d. • Re la te d Com m an d s: TRI G g e r , TRI Gger :S O URce • *RST C on d itio n : A l l c hann e ls ope n. Exampl e Sca nn i n g Usin g Exte r n al Devi ces S ee C hapt er 4, “ Examp le: Sca nnin g W i t h Externa l D e vic e ” or “ Examp le : Sca nni n g Us in g "Trig Out " and "E ve nt In " Port s” for exam p le scann ing progra ms u s ing external instr u ments. Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 51
SC AN:MODE [ROUTe:]SCAN:MODE NONE | VOLT | RES | FRES s e ts th e sca n mo de f or th e RF multi pl e xers . NONE , VO LT , a nd RE S hav e no e ff ec t on m ulti pl e xer op eration. W ith FRES , t he sw itch is s e t fo r “ p aire d - c h ann e l” scann in g. That is , when a ch ann e l in b ank 0 is c lose d, the assoc iated ch ann e l in bank 1 is si multaneo usly c lose d. Parameters Param et er Na m e Parameter T ype Ran ge of Values NONE | VOLT | RES | FRES discr e te NONE | VO LT | RES | FRES Co m m e nt s • Ord er of Command Ex ec u tion: The [RO UTe:]SCAN:M O DE comm a n d mu st b e ex ecu ted b efore th e [ RO U Te :]SC A N < channel_li s t> c ommand. • FRES Mod e Descrip t ion: With FRES , and c hann el c l o s e d i n b ank 0 auto matic a lly c lose s the p aired c hann el in b an k 1 . For e xampl e, with FRES , c l os i n g chann e l 0 0 al so sim ultaneo usly c l ose s chan nel 1 0, c losi ng c hannel 01 c l oses c hann e l 11, etc. Use on ly c hannels 00 -0 3 fo r t h e channel_list . Sp e cify i n g c hann e ls 10-13 cau ses an error. • *RST C o nditio n : ROUT :SCAN:M ODE NONE Exampl e Sel ecti n g P a ire d-Ch ann el Scan nin g TRIG :S OUR E XT ! Ext e rnal trig ge r so urc e SCAN:MO DE FRES ! Paire d- ch anne l sc an nin g mode SCAN (@100:103) ! Se le c t c h an ne ls fo r sca n nin g INI T ! St art sc ann ing , clo se c han ne ls 100 a n d 110 SCA N :MO D E? [ROU Te:]SCAN:MODE? ret urns the cu r rent st at e of t he scan m od e. Th e c omma nd r et ur ns " NO NE " , "VOL T ", "R ES " , or " FR ES " dep e nd i ng on th e [RO UT E: ]SCA N:MODE paramete r se tti ng. Exampl e Quer y Sc a n Mode Si nc e this exa mp l e selects t he FRES (pai red-c hann el scann i ng), th e q u ery c ommand ret urns " FR E S ". SCAN:MO DE FRES ! Se le c ts pa ire d-c ha nne l sc ann ing SCAN:MO DE? ! Que ry sc an nin g mode 52 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
STA T us The ST ATu s subs yst em re p orts the bit valu es of a S ta ndard O p era t ion S t atu s regi ster. I t enabl es the S tatus registe r to se t a bit af t er a b it is s e t to 1 by the St a ndard Ope ratio n registe r. Subsystem Sy nta x STAT u s :OPERat i on [:EVENt ]? :ENA Ble < number > :OPERation [:EVENt]? S T ATus: OPERati on [:EVENt ] ? retur ns t h e bit va lu e of the Op erat io n St a tu s reg ist er (o nly bit 8 is used by the multip lex er modu les). Co m ment s • Sett i n g Bit 8 of th e Oper a t i o n St atus Register: B i t 8 (Scan Com ple te ) i s se t to 1 afte r a s can ni ng c ycle compl ete s . B i t 8 r et u rns 0 afte r se n ding th e STAT u s :OPE Ration[ :EV ENt] ? co m mand . • Ret ur n e d D at a aft er se n d ing the STATu s:O PERat ion[:EV ENt]? Com ma n d: The co m man d returns 256 i f bit 8 of the Op era t io n S ta tus re gi ste r i s s e t to 1 . Th e co mma nd re tu rn s 0 i f bi t 8 of th e O p eratio n Sta tus r eg ist er is s et to 0. • R e la te d Com m an d s: [ROUT e:]SCAN Exampl e Read i n g th e Oper at i o n Stat us Regi ster After a Sc a n nin g Cyc le ST AT :O PE R? ! Returns t he b it v al ues of the Standa rd Ope rati on S t at us regist e r. Returns 25 6 if bit 8 is set to 1 o r ret urns 0 if bit 8 is se t to 0 . :OPERation:ENA Ble ST ATus: OP ERati on:E N A Ble < number > en able s the Ope rati o n S t atus reg i s t er t o s et a b it in t he Status r e gist e r . Fo r RF mu ltip l ex e r mod ules, s ettin g bit 8 i n th e O p er at i on S t atus re g i ster to 1 s et s bit 7 in the S tatus regi ster to 1. Parameters Param et er Na m e Parameter T ype Ran ge of Values <numbe r > num er ic 1- 327 67 Co m me nt s • Setting Bit 7 of the Stat us Register: STA Tus:OP ERation :ENA Ble 256 sets bit 7 of th e Status register to 1 after bit 8 o f the Op era tion Sta tus register is set to 1. • R e la te d Com m an d s: [ROUT e:]SCAN Exampl e E n ab ling Statu s Registe r Bit 7 STAT:OPE R:ENA B 256 ! E nabl e s b it 7 o f St atu s re gi ste r Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 53
SYSTem The SYST e m subsyste m retu rns er ror nu mbers / messa g es in t h e e rror qu eue of a sw itchbo x, an d re tu rns mod ul e type s and de scripti o n s in a s witc hbox. Subsystem Sy nta x SYSTem :ERRor? :CDEScript ion? < numb er > :C TYPe? < num be r > :CPON < numb er > | ALL :ERRor? SYSTem:ERRo r? returns the er r or numbe rs/ m essages in the er ror qu e u e of a s witc hbox. S ee Append ix C f or e rror mess a ge inf ormation. Co m ment s • Error Numb ers/Mess ages in the Error Que u e: Ea c h error gen era ted b y a s witch bo x sto res an er ror num be r and c or res p ondi n g er ror mes s a ge in the e rror queue. Th e erro r nu mbe r i s a lways neg a t iv e and t he e r ror m es sa g e ca n b e up t o 25 5 char act e rs l ong. • Clearin g t he E rror Q ue u e: An erro r n um ber/ m essage i s re moved from th e q u eue each ti m e th e SYSTem :ERRor? c ommand is s e nt. The e rrors are c lea red first-i n, fi rst-ou t. When th e queue i s empty , each f ol l ow ing SYSTem:ERRor? c o mmand r e turns 0, “ No error” . To c lear a ll e rr o r n u mb er s /mes sa ge s i n t h e q u eu e, ex ecut e *CLS . • M aximum Error Nu mbers/Messages in t he E rror Q ue u e: Th e qu eu e hol d s a max imu m of 30 error n u mb e rs /messa ge s f or eac h sw i tc hbo x . I f i t ove rfl ow s, the l as t e r ror in th e q ue ue i s re pl ac ed by -350, “ Too many errors” . The le as t r ec ent er r or nu m b e rs / message s rema in in t h e qu eu e and t h e m ost r ecent are d iscar d e d. Exampl e R eadi n g t h e Error Q ueue SYST:ERR? ! Que ry t he erro r q u eue :CDEScripti on? SYSTem:CDEScri ption ? < number > returns t h e descr ipt ion of a s el e ct ed mo dul e ( card) in a switchbox. Parameters Param et er Na m e Parameter T ype Ran ge of Values <numbe r > num er ic 1 - 99 Co m me nt s • R F Multiplexers M odule Description: Th e SYST:CDEScip tion? < number > co m man d re turns : “ 50 O hm RF Mux ” f or the HP E1366A or “ 75 Oh m RF Mux ” f or the HP E1367A. Exampl e Re ad i n g t h e Descr ipti o n of a Car d #1 Modu le SYST: CDES? 1 ! Ret urn t he d esc ri ption :CT YPe ? SYSTem: CTY Pe? < nu mb er > ret u rns th e mo dule (c ard) type of a se lec ted mo d u le in a s w it c hb ox. 54 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
Parameters Param et er Na m e Parameter T ype Ran ge of Values <numbe r > num er ic 1- 99 Co m me nt s • R F M ult ip le xe rs M o de l N u m b e r: The SYST em :CT YPe? < number > c o mma nd r et ur ns " HE WL ET T- PA CK AR D, E1 366A ,0 ,A .0 1. 00 " (E1366 A), or retu rns " HE WL ET T- PA CK AR D,E1 36 7A ,0 ,A .01. 00 " (E1367A), where t h e " 0 " afte r " E1 36 6A " or " E 1 36 7A " is t he mo du le s er ia l n u mb er ( a lw ay s 0 ) a n d " A. 01 .0 0 " is an examp le of t he mod u le r evis ion c od e numb e r. Exampl e Rea din g t h e Mode l Nu mbe r of a Car d # 1 Modu l e SYST: CT YP? 1 ! Return t he mode l number :CPON SYS Tem: CPO N < nu mbe r > | A LL s et s t he s e lected module (ca rd) in a switchb ox to its power- on stat e. Parameters Param et er Na m e Parameter T ype Ran ge of Values <numbe r > num er ic 1- 99 Co m me nt s • RF Mul tip lexer s Power-On S t ate : The po wer-on s tate i s all c h annels ( r elays) open. Note that *RST o pen s al l c hann el s of all mo d u les in a s witch b ox, whil e SYST em: CPO N o p ens the c hannels in on ly th e modul e (c ard) spe cifi ed i n the co mmand. Exampl e Setti ng Car d #1 Modu le t o i ts P ower-on State SYST: CPO N 1 ! Sets m od ule #1 to p o wer-o n stat e Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 55
TRIGger The TRI Gger subs ys t em c ontr ols t h e trig g e r i ng op erat ion o f RF mu lt ip le x e r mo d u les in a s witch b ox. Subsystem Sy nta x TRIG g er [:IMMedi at e] :SOURce BUS | EXTernal | HOLD | I MMedi ate :S O URce? [:IMMed i ate] TRIGg er[:I MM ediate] caus es a t r ig ger to oc cur when th e defin ed t r igg e r so urce i s TRIGger: SO URce HO L D or TRIG ger:S OURc e BUS . Co m ment s • Ex ecu ti ng th e TRIG ger[ :IMMed iate] Com m a nd : A c hann el li st mu st b e defi ned wit h [ROUT e:] SCAN < ch annel_ list > an d an INI Ti ate[ :IMM edi ate] c o m ma n d m ust b e ex e cu t e d b e fo r e TRIG ger[ :IMM edi ate] wi l l be exe cute d. • HOL D or BUS S o urce Rem a ins : The TRIGger:SO URce HO LD or TRIGger: SO URce B U S co m m a n ds rema in in e f fect, if s el e ct ed, a fter t rigge ri n g a sw itch box w ith th e TRIG ger[ :IMM edi ate] command. • R e la te d Com m a nd s : INI T i ate , [RO UTe:] SCA N Exampl e Ad van c i ng Sca n Usi ng t he T RIG ger Com m an d Th is e x ampl e use s th e TRIG ger c om m and to advanc e th e scan of a si n gl e- m odul e sw itch box from chan nel 00 throug h 0 3. Sin ce TRIGger: SO URce HO L D is se t , th e sc an i s adv ance d o ne c hann el e ach ti me TRIGger is e x ecu t ed . TRIG :S OUR HO L D ! Sets trigg er source to HOL D SCAN (@100:103) ! De fi ne s ch a nne l list INI T ! Beg in sc an, close c hann el 00 loop statement ! St art c oun t lo op TRIG ! A dvanc e scan t o nex t channel increm ent loo p ! Inc re me nt loop c oun t 56 HP E136 6A/E1367 A RF Mul t i p le xe r s C ommand Ref ere nce Ch apte r 5
:SOURc e TRI Gger:SO URce BUS | EXTern al | HOL D | I MM ediate speci fi es th e trigg e r sour c e to advanc e the c hann e l list dur i ng sca nnin g . Parameters Param et er Na m e Parameter T ype Ran ge of Values BUS discret e *TRG or GET co mman d EXTernal discrete “ Event In” BNC po r t HOL D discr et e Hold t rigg eri ng IM Mediate disc r ete Immediate t r igg ering Co m ment s • Enablin g t he Trigger S o u rce: Th e T RIGger:SO URce co m ma nd onl y s elects t he trigger s ourc e . The INI Tiat e[:IMMedi ate] co m ma n d enabl es th e t rigge r so u rce . • Usi ng t he TRIG Com man d : You can use TRIG ger[ :IMM edi ate] to advan c e the scan when TRIGger: SOURce HOLD or TRIGger: SO URce B U S is s e lec t ed. • U si ng Ex tern al Tri gger I n p u ts: With TRIGger :SOURce E XTernal sel ecte d, on l y o n e sw itch box at a time c an use th e exte rnal tri gger inp ut at the H P E130 0 A/E130 1A main frame “ E vent In” BNC port . The trigge r inpu t is a ss ig ned t o the f irst switch b o x that requ e sted the ex t ernal tr igge r s ourc e (with a TRIGger: SO URce EXT ernal c omma nd). • Assi gni ng Ext er n a l Tri gger: A sw itc hbox assign e d wit h TRIGger: SO URce E XT ernal rem ai ns a ssi gne d to th at so urc e un til th e s wi t chb ox trig g er source is c hanged to BUS , HO LD , or I MM edi ate . W hen t he s our c e is changed, t he ext e rnal tri gger sourc e is availab le to th e next switchbox whic h re q u e sts it ( wit h a TRIGger: SO URce E XT ernal co m ma n d). I f a s w it c hb o x r eq u e sts a n exte rnal t rigg er inp ut alre ady assig ned to ano ther s witch bo x an err or is genera t ed. • Using Bus Tr iggers: To trigg e r t he s witch b ox wit h TRIGger: S O URce B US sel e cted, us e the IEEE 488.2 c o mmon co m m an d *TRG or t he H P - IB Group Exe cute Trig g er ( GE T ) c ommand. • Tr i g Ou t P or t Sh ared b y Switch box es : See the OUT Put c ommand. • Rel a ted Commands: ABORt , [ROUT e:]SCAN , T RIGger • *RST C o nditio n : TRIGger :SOURce IM Medi at e Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 57
Exampl e Sca nn i n g Usin g Exte r n al Tr i gger s Thi s ex amp le use s extern al t riggeri ng ( TRIG:SO UR EXT ) t o scan c h anne ls 00 through 03 of a si ng le- module swi tc hbox. The trig g e r so urc e to advance the sca n is t he inp ut t o t h e “ E v e nt In ” BNC on a n HP E1 300A/E1301A main f ra me . W h e n INIT i s ex ecute d, th e scan is star t e d and c hann e l 0 0 i s clo s ed . Then e ac h t rigg e r recei ved at the “ Ev ent In ” BNC advances the sca n t o the next c h anne l. TRIG :S OUR E XT ! Se lec t ex ternal tri gge rin g SCAN (@100:103) ! S c an chan ne ls 00 through 03 INI T ! Beg in sc an, c lose channel 00 trigger ex ternal ly ! Advanc e s c an t o nex t chann el Exampl e Sca nn i n g Usin g Bu s Tr iggers This exam p le uses bus t ri ggering ( TRIG :S OUR BUS ) t o scan c h anne ls 00 th rough 03 of a s ing l e - m odule sw itch box. The t rig ger so u rc e to adv an c e the sca n is the *TRG c o mman d ( as s e t wi th TRIGger: SOURce BUS ). W hen INI T is e x ecuted, t h e sca n is start e d a nd c h annel 00 is cl os ed. Th e n eac h *T RG c omma nd a dva nc e s t he scan to t he next c h annel. TRIG :S OUR BUS ! Sele c t inte rf ac e (b u s ) trigge ring SCAN (@100:103) ! Sc an chan nels 00 throug h 03 INI T ! Start sc an, c lose channel 00 loop statement ! Loop to scan all chann els *TRG ! A dv anc e scan using b us tri gge rin g increm ent loop ! Incre me nt loop c oun t :SOURce? TRI G ger:SO URce? retu rns th e c urrent t rigger so urc e for the s wi tchb o x. C o m man d returns ei t h er "BUS " , "EXT " , " HO LD ", or "IMM " fo r trigg e r so urces BUS , EXTernal , HOLD , or IM Me d iat e , resp ectively. Exampl e Q uery Tr i gger So urce Th i s e x ampl e se t s exte r nal t ri gg er in g and que rie s the trig g er so u rc e . Si nc e ext ernal t r iggering is s et , TR IG :SOU R? r eturns " EXT ". TRIG :S OUR E XT ! Set e x te rnal tri gge r sourc e TRIG:SOUR? ! Que ry trig ger so urce 58 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
IEEE 488.2 Common Commands The fo llowi ng t a b le lists the IEEE 488.2 C om mon ( * ) C om mands that app ly to t h e R F Mu lt ip le x e r m odu le . The o p er a t i on of s ome of t hes e c omma nds is descr ib e d in C h a p t er 4 o f t h is manu al. For in f o r m at ion o n Commo n C o mm a n ds, r ef er t o t h e HP B- siz e co nf igur a t io n gu id e or t he ANS I/IEEE Sta ndar d 488.2-19 87 . Com man d Ti tl e D e scrip t i o n * I DN? *RST Ide n tifi ca ti on R e set Returns ident ifica t ion s tr ing o f the switchbo x. Op ens all chan n els, and inva l i da tes cur r ent channel list f or Op e ns all chann el s, and i nval i dat es curr ent cha n n el list for scann ing. Sets ARM:CO UN 1, T RIG:SO UR IMM, and INI T:CO NT OFF. *TST? S elf-Test Alway s returns 0 . *O P C * O PC? *W A I Op erat ion Com pl ete Op erati on Com pl et e Q u ery Wa it to Co mple te See n o te be lo w . See n o te be lo w . See n o te be lo w . *CLS *ESE *ESE? *ESR? *SRE *SRE? *STB? C le ar st at us Ev ent s t atus enable Ev ent s tat us enable query E v en t stat us r e gi st e r q u ery Serv ice reque st enable S erv ic e reque st enab l e query R ead status byte query Clea rs a l l stat us registers (see STATus: OPERat ion[ :EVENt ]?). See n o te be lo w . See n o te be lo w . See n o te be lo w . Ena ble s s tatu s reg is ter b its (se e C hap ter 4 fo r o pe ra tio n). See n o te be lo w . See n o te be lo w . *TRG Trig g er Triggers t h e swi t chb o x t o advan ce th e sc an w h en s can is ena bl ed and trigg er s ourc e is TRI Gg er:S O URc e BUS. *RCL *SAV R ec a l l instrument state Store i nstrum ent st at e See n o te be lo w . See n o te be lo w . Note: Th ese co m mands ap ply to m an y instrum en ts and ar e not docu ment ed in d etail here. S ee the appr opr i at e HP B- si ze or C-size c onf i gur at io n gui de, or the ANS I/IEEE Sta ndard 488. 2-1 987 for more in fo r m ati on . Chap ter 5 HP E13 66A/E136 7A RF Mult iple xers Co mmand Re fer ence 59
Command Quick Reference The fo llowi ng t a b les su mm ariz e SCPI a n d IEEE 488. 2 C ommo n (*) c omma nds f or the R F Mu ltiplex e r mod u les used in a s witchb ox. SCPI Command s Quick Referen ce Com man d De s cri ptio n ABORt Abo rt a scan i n progr ess . ARM :CO UNt < nu mbe r > :CO UNt? [ MI N |M AX] Mult iple scans per INI T co m mand. Query nu mber of scans. DISPlay :MON ito r[ :STAT e] < boo lean > :MONit or:CARD < nu mbe r > | AUTO Se le cts moni to r m ode . Se le ct s modu le to be m on it ore d. INITiat e :CO NTi nuou s O N |O FF :CO NTinuou s? [: I MMe d ia te ] Ena bl es/di sab les cont i nuo us sca nni ng. Query co ntin uous s can stat e. Star t s a s cann ing cycl e. OUTPut [:ST A T e] ON |OF F [:ST A T e]? Ena bles/ disab les "T rig Out" pul s e. Query po rt enable sta te. [RO U T e:] CLOS e < chan nel_lis t > CLOS e ? < chann el_ list > OPEN < chann el_list > OPEN? < channel _list > SCAN < chann el_list > SCAN:MODE NO N E |VOLT | RE S |FRES Close c hannel (s). Query ch annel( s) clos ed. Open chan n e l(s ). Query ch annel( s) op ened. D efin e channels for scan ni ng. S ets scan m o de. STATus :OPERat ion[:EVENt ]? :OPERat ion:ENABle R eturns status of Operati on Status register . Enabl es th e Operati on Stat us regist er to set a b i t in th e Status regi ster . SYSTe m :ERRor? :CDEScri ption? < nu mb e r >. :CTYPe ? < numbe r > :CPO N < nu mb e r >| ALL R eturns error nu m ber/messa g e in a swi tchbox Error Qu eue. R eturns description of module i n a s wi tchb o x Re tu rns the m odul e ty pe. S ets specified mo dul e to i t s pow e r-on stat e. TRIG g er [:IM M ed i at e] :SOURce BUS :SOURce EXTe rna l :SOURce HOLD :SOURce IM M edi ate :SOURce ? Ca use s a t r igge r to oc cu r. Tri g g er sour c e is *T RG . Tr ig g er sour c e is "Eve nt In". Hol d off tr i g g eri ng . Con tinu ous ( interna l) trig g ers. Query sc an trigger sou rce. IEEE 488.2 Co mmon Command s Quick Referen c e Com man d Ti tl e Description *RST R eset Op ens all chan n els , and inva lidates cur rent channel l ist f or scan ning. S ets ARM:CO UN 1, T RIG:SO UR IMM, and INI T:CO NT OFF. *TRG Bus Tr ig ger W hen scan i s enabl ed and trigg er sourc e is TRI G: SOUR BUS, use t he *TRG com m and to trigg er th e swit chb o x to adva n c e th e scan. *TST? Self-Test Alway s returns 0 . 60 HP E136 6A/E1367 A RF Mul t i p le xe rs C ommand Ref ere nce Ch apte r 5
A ppe ndix A HP E 136 6A/ E1367A RF Mult ipl exer Specificati ons Inpu t Ch ar ac ter ist ics Maximu m Vo l tage - any cente r or shiel d to any othe r ce nte r , shie ld, or chassi s: 42 V Pea k Ma x imum Cu rr e nt per C h a n ne l or Commo n : 1 Adc or a c rms M a xi m um Po w er p e r C h a n ne l or Commo n : 24 W or 24 V A Gen er al Cha nne ls co n s ist o f no n- latc hing armat u r e re lays . Typi cal Rel ay Life : Wit h no load : 5 x 10 6 oper a t i on s Wit h max . r ate d lo ad: 1 0 5 op er at ion s Note: Re la ys are sub ject to normal we arout ba se d o n t he num be r o f o pe rati on s. DC Performance Ther m al Offset: <6 µ V Typi cal Clo sed C h ann el Resi st a n ce: <1 Ω End of Rel ay Life C l osed Ch annel Resista nce: <3 Ω Insu lati on Resi sta nce ( any ter m inal to any te r m inal): ≤ (40 ° C, 65% RH): >10 8 Ω AC Performance Fo r Z L = Z S = 50 Ω (E 1366 A ) Fo r Z L = Z S = 75 Ω (E 1367 A ) <1 0MHz < 100 MHz < 500 M Hz < 1.3GH z Insertion Los s (dB ) ≤ (40 ° C, 65 % RH) <0 . 3 <0. 7 <1. 5 <3. 0 Cross talk(dB ) (Chann el-Ch annel*, or Cha nnel-Com mon ) 1 <- 9 0 < -80 <- 60 <- 4 0 VSWR <1. 2 <1. 2 5 <1.3 5 <1. 5 5 * W ith o ne ch anne l clo se d. 1 Sp ec i fi ca tio n a ssu m e s 5 0 Ω o r 75 Ω t er mi nati on. If a l l c hann els un te r mina t ed, d e r ate s pec if ic atio n b y 6dB . Riset i m e: < 300p s e c Sig n al De lay: < 3 nsec ± 50 psec C a pac it an c e: Cen ter-sh ield < 60 pF Cha ssis-sh ield < 0. 15 µ F Module Size/Devi ce T ype : B, regist er - b ase d Connectors Used : P1 N umb er o f Slots: 1 V XIbus In terf ac e Ca pa b i l it y: Sl a ve, In terru pter , A16, D 16 Interrup t Level : 1-7, selecta bl e Powe r Req ui re me n ts: Voltag e 5 12 Pea k m o dul e cur re n t, IPM (A): 0.10 0. 18 D y nami c mo d ule cur ren t , IDM ( A): 0.01 0.01 Wat ts/Slot: 3. 0 Appen di x A HP E13 66A/E1367A RF Mult ip l e xer Speci f icati ons 61
Co o ling/S lot: 0. 05 m m H 2 O @ 0.25 l it e r/se c Humidi ty: 65% 0 ° to 4 0 ° C Op era ti ng Tem p era tu re: 0 ° to 55 ° C Stora ge T em pera t u re: - 4 0 ° to 75 ° C EMC, RF I , Safe ty: meets FT Z1 046/ 198 4, CSA556B, IEC3 48, UL1 244 Net Weight ( k g ): 0.7 Typi c al Crosstalk ( c h annel-c h a n ne l ) Typi cal Ret ur n / Loss V SVR Typ ical In sertion Loss 62 HP E1366 A/E1 367A RF Multipl e xer Speci ficat ions Append ix A
Relay L i f e Elec tromech anic a l relays a re subje ct to norm al wea r- ou t . Rel ay lif e dep e nds o n s everal fa ct or s. The eff e cts of loa din g and switc hi ng fr equen c y ar e brief ly discu s s ed b elow: Rel ay Loa d. In general, hig h e r p o w er s witch i ng redu c es relay li fe. I n addition, capacitive/inducti v e loads and high inrush c ur rents ( e .g., turnin g on a lamp or start in g a mo tor) r educes re lay lif e . Exc eedin g specified maximum in puts can cau se cat astr ophi c fa ilur e. Swit c h in g Freque n cy. R ela y co ntacts hea t up when s witch e d. As the s witch i ng fr eq u e nc y incr eas e s, t h e c o ntacts ha ve le ss t im e t o diss ipat e heat. The r esu lt in g incr ea s e in c o nt act t e m p e ratu re also re d u c es r elay li f e. E nd of Life De te ct io n A prev e ntative main tenanc e rout ine can pr e ve nt prob lems ca u s ed by u nexp ec t ed rela y failur e. The end o f th e life of t he r elay ca n b e d e t erm ine d by u sing the thre e meth o ds descri b ed b el ow. Th e best meth o d ( or c ombinatio n of m et hods), as well as the failure cr it eria, dep e nds on the appl i catio n in wh i ch t he r elay is used. Cont ac t Resi sta nce. As t he r elay b egi ns to wea r ou t, its c o ntact r es istanc e in creases. W hen th e re sist anc e e xceeds a pred e termi nded val ue, th e relay sh oul d be r e pla ce d. Sta b il ity of Conta ct Resi sta n ce. The st a b il ity of t he c ontact r es istanc e dec r eas es with age . Using t h is met h od, t he co n tact r esistanc e is me a sur e d s everal (5-10) ti m es , a n d the varianc e of t he measurements is de t ermined. An in crease i n the v ariance i ndicate s deteri orati n g perfo rmanc e. N u mber of Operat i o n s. Re lays can be re place d af ter a predete rmined nu mb er of c ontact c losur es. Howeve r, th is meth od re q u ires knowl e d ge of th e appli e d load and li f e sp ec ific ations f or th e appl ied l oad. Re pl acem e nt St rategy The re place m ent st rate g y d ep en ds on the appli cati on. If so m e r elays are us ed more oft en, or at a hig h er load, than the o t hers, the relays ca n b e in d i vi dually repl ac e d as needed. I f all the re lays see si milar l oads and s witch ing freq u e ncies, the entire c ircu it board s h ould be rep lac e d wh e n t he end o f life approach es. The sensitiv ity of th e appli catio n sh oul d be wei gh e d agai nst the co st of rep laci ng relay s with so me u s eful li f e remain i ng . No te Rela ys that w ear out no rmall y or fail du e to misuse sho uld no t be consid ered d efecti ve and are n ot covered by the p r oduct’s w arra nty. Appen di x A HP E 1 3 66A/E1367A RF Mul t ip l e xer Speci f icati ons 63
Not es 64 HP E1366 A/E1 367A RF Multipl e xer Speci ficat ions Append ix A
A ppe ndix B HP E1 366A/E136 7A Mul tip lex er Registers Re gi st er D efi ni tio n s The HP E136 6 A an d HP E136 7 A RF multiplex ers ar e reg ister-bas e d slave devic e s. Regist er def i nitions are : ID Register b 00 h 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 W r i t e Unde fin e d Undefi n e d R e ad* R e g - Bas A16 Manuf ac t u r e r ID * R e t u r ns F F F F h = H e wl et t -Pac kar d A16 onl y r e g i s t er -ba s e d Devi c e T ype Regi s t e r b 02 h 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 W r i t e Unde fin e d R e ad* 1 (A16 o n l y ) Modul e I D Code * R e t urn s : F F 8 0 h (E1 366A) o r F F 84 h (E13 67A) Sta t u s/Con t r o l R e g i ster b 04 h 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 W r i t e* U n d ef i n ed R Re a d * * F F h B7 F h * R =Mul t i pl exer r e se t t o pow er- on st at e ( a l l sw i t ches ope n) ** S t at us " b usy" i s l o w - t r ue i n bi t #7 ( F F 7 F h ) B a n k 0 C h an n e l E n ab l e Registe r b 08 h 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 W r i t e * Unde fin e d 0 3 0 2 0 1 0 0 Read A l ways r e t u r n s FFFF h * W r i t e "1" c l o s e s c hann el , wr i t e "0" o p e n s chan n e l B a n k 1 C h an n e l E n ab l e Registe rs b 0A h 15 1 4 1 3 1 2 1 1 1 0 9876543210 W r i t e * Unde fin e d 1 3 1 2 1 1 1 0 Appen di x B HP E136 6A/E1367 A Mult iple xe r Reg ister s 65
Addressing the Register s To read or w rite to spe cifi c reg iste rs , you mus t use th e re g iste r add r ess . Sin c e the ad dresse s f o r H P 7 5000 Se ri es B or Ser ies C plug -i n module s are A00 through A15, u se the VME A 16 mn em oni c for the address space. Th e addr e ss spa c e wit hin th e mainfr a m e/ c omma nd mo dule mem or y ma p dep e nds o n the mainfr a me / c ommand m odu l e us ed. F or exam p le, the add r ess of the HP E1300 A/E130 1A M a in frame star ts at 1 F 0000 h . For t h e HP E1 300/ E1301 , t h e A16 spa ce is di v ided s o modu le s are addre ss ed onl y at locat ions b eg inni ng with C 000 h with i n A16 . Eac h mo d ule is allo cat ed 64 r egis t e r a ddre ss es (40 h ). The module b as e addre ss is related to t he logical address s et by the logical addre ss switch (L ADDR) on t he mo du le : base ad dress ( h ) = (lo gical ad dress h )*40 h C000 h For t h e RF mu lt iple x ers, th e fa ct ory- s et logical addr ess is 120 (7 8 h ), s o the b as e add re ss = ( 78 h ) * (40 h ) C 000 h = DE0 0 h . Then , for ex ample , to ad dress the St at us/C ont r o l reg iste r of an R F multi pl e xer i n an H P E1300A /E1301A , th e registe r add re s s = [ A16 lo cation] h [ b ase ad dr es s ] h [reg iste r of fse t] h = 1F0000 h DE00 h 0 4 h = 1FDE0 4 h . Reading the Registers You ca n read the f o llo w ing R F mu lt iple x e r re gist ers : • I D re gi s te r ( b ase 00 h ) • De vi c e T ype re gi s te r ( base 02 h ) • S ta tu s/Contr ol regis t er (bas e 04 h ) • Bank 0 Channe l E n ab le reg ister (bas e 08 h ) • B a nk 1 C ha nne l E n ab le reg ister (bas e A h ) ID/De vi ce T ype Reg iste r s For e it h e r RF m ulti p l e xer, a read of t h e ID reg ister (add ress base 00 h ) r et ur ns FF FF h sin ce t he mu lt ip le x er s ar e manufa ct ur ed b y H e wl e tt-Pa ckar d and are A16 on l y, re giste r- base d d e v ice s. The De vi c e Ty p e re gis ter ( base 02 h ) re tur ns F F80 h f or th e HP E 1366A (5 0 Ω ) mult ip lex e r and retur ns F F84 h f or the HP E1367 A (75 Ω ) mul tipl ex er. St a tu s/Cont rol Re gi ster Eac h rel ay re qu ires abou t 15 mse c e x ecutio n ti me (cl ose to ope n or ope n to close ) du r ing which ti me the RF multi plexer s are “ busy” . A read of th e Stat us/C ont r o l reg iste r (b as e 04 h ) re tur n s F FF F h wh en the mo dule i s n o t busy or r eturns F F7 F h (bit 7 is low- tr u e) w h e n the module is busy. Ch ann el Ena b le Reg is te r s A re ad of e it her of th e two Channel En abl e regis ters (base 08 h f or bank 0 or bas e A h fo r bank 1 ) always returns FFF F h , r egard le ss o f th e channel sta t e s. 66 HP E1366 A/E1 367A Multip le xer Regist ers Append ix B
Writing to the Regist ers You can write to th e foll owi ng R F multi pl e xer re g iste rs: • Statu s/Contr ol regis t er (ba s e 04 h ) • Bank 0 Channe l E n ab le reg ister (bas e 08 h ) • Bank 1 Channe l E n ab le reg ister (bas e A h ) St a tu s/Cont rol Re gist er The only writ e allo w ed t o t he S ta tu s/C ontrol regis t e r (bas e 04 h ) is to bit 0 . Writi n g a “ 1” to bit 0 reset s the multipl exer to i ts p o we r-on s tate with all c hannels open a nd term inat ed and both co m m ons open. Ch ann el Ena b le Reg is te r s W rite s to the Cha nn el En a bl e re gi ste r s (b ase 08 h and bas e A h ) e nabli n g yo u to o p en or c lose th e desi r ed c hann el ( se e Reg iste r De fi ntio ns at the be ginn in g of thi s ch apte r) . Fo r e xam ple , wr ite a “ 1” to bi t 2 of the b ank 0 Chann el En abl e re giste r to c l ose chann el 02 . O r, write a “ 1” to bi t 3 of th e Bank 1 Channel E nabl e registe r to cl ose chan nel 13 . Writing a “ 0” to bit s 0 - 3 r e sults in a ll c h anne ls o p en an d ter minat ed and t h e common o p en. O nly o ne chann e l p er ba nk ca n b e clos ed a t a t ime. Any bit pa t t ern not sh o wn in Reg iste r De fi ntio ns at the beg i nn ing o f this chapte r, res ul ts i n th e lowest -n u m bered c h annel b e ing c lo s ed. Appen di x B HP E136 6A/E1367 A Mult iple xe r Reg ister s 67
68 HP E1366 A/E1 367A Multip le xer Regist ers Append ix B
A ppe ndix C HP E 1366 A/E13 67A RF Mu lt iplex er Error Messages The t able be low li sts t he er ror m essag e s associ at ed with t h e mu ltipl exer mo d ules pr ogra mmed b y SCP I. S ee the app ropr iate mainfr a m e manua l f o r a co mp lete list of erro r mes sages . No. Tit le Potent ia l Cause( s) -211 Tri gg er ignor ed Trig g er r eceiv ed wh en scan no t enabl ed. Tr igg er r eceiv ed aft er scan com plet e. T ri gge r too fa st . -213 Init I gnored Attempting to execu t e an I NIT co m m and when a sc a n is alread y i n p rogr e s s. -224 Illegal par am eter valu e At temp ting to ex ecute a comm an d with a param eter not appl icab le to th e comman d. 1500 External trigger sou r ce already a llocat ed Assig n ing an exter nal trigger sou rce to a swit chb o x w h en t he trig g er s our c e has already b e en assign ed to another swit chb o x. 2000 Invalid card numb er Address in g a m o dule (card ) in a switchbox tha t is n ot part of t h e swit chb o x. 2001 Invalid channel nu mb er Attemp ting to ad dress a chan nel of a m o dule in a switchbox th at is not suppor ted by th e module (e. g., channel 9 9 of a multip le xer m od ule). 2006 C o m mand n ot s upported on th is car d S endin g a c om m and t o a module ( car d) in a switchbo x that is uns uppo rted by t h e modul e. 2008 Scan l i st not initialized E xecuting a scan withou t the INIT co m mand. 2009 Too many chann els in channel l ist Attemp t ing to address more ch annel s than ava ilable in th e switchb o x. 2012 Inval i d Chann el Rang e Inval id cha nn el(s) specif ied in SCAN < cha nnel_ li st > com mand. Attemp ting to beg in scann i ng when n o valid c han nel l t is d efine d . 2600 Function not support ed on th is car d S endin g a co m mand to a modul e (car d) in a swit chbo x that i s no t suppor ted by t h e modul e or swi tc hbox. 2601 Chan nel list required S e ndin g a c om m and requi ring a chan n el l ist wi thout the chann e l l i st. Appen d ix C HP E1366A/E13 67A RF Multiple xer Er ror Message s 6 9
70 HP E1366 A/E1 367A RF Multipl e xer Erro r Messages Appendi x C
Inde x HP E1366 A/67A RF Multiple xers Use r’s Manu al A A bbreviated Comm a nds, 38 AB OR t, 40 , 60 ABOR t sub s y ste m, 40 AC Per for mance , 6 1 Addr ess logica l, 14 Addr essi ng register s, 6 6 A RM s ubs ystem, 41 - 4 2 A RM: C O U Nt, 39, 41, 60 A RM:C O UNt?, 42, 60 B Bank chan nels, 11 BNC ca bles, 19 BNC c onnect or, 11 - 1 2, 18 BNC po r t, 29, 34, 57 - 58 C Cabl es, gui deli nes , 19 Cabl es, list of, 19 Ca pa cit an ce, 6 1 Card Num bers, 14 mult iple mod ule s w itch box , 14 CDEScr i ption?, ( SYStem :CDE Scri ption?), 54 Cer ti ficat ion , 5 Chang ing Mu lt iplexer C omp onen ts, 23 Ch an n el add ress, 1 3 closi ng, 25 common , 11 desc rip tio n, 1 1 number s, 14 open i ng, 25 quer y op en /close, 28 sc an ni ng, 2 9 s el e ct in g, 1 3 sw i tchi ng, 2 5 termin ation resist or, 11, 23 Chann el Closur e O r der , 28 CLOS? (CLOSe? ), 15 CLOSe, (ROUT e:CLOSe ), 48 CLOSe? , (ROUTE:CL OSe?), 49 Comm and Qui ck Ref erence, 60 Co mma nd R e f e re nce AB OR t s ub sy s te m , 40 A RM subs y stem, 41 - 42 DISPlay subsy stem , 43 - 44 INITia t e subsy stem, 45 - 46 O UTPut subs y stem, 47 RO UTe: s u bs y st em, 4 8 - 52 STAT us subsy stem, 5 3 SYSTem s u bs y stem, 54 TRIGger subs ystem, 56 - 5 8 Comma nd Separa tor, 38 Comma nd Types, 37 Co mmands abb r ev ia ted , 38 AB OR t, 40 , 6 0 A RM:C O U Nt, 30, 39, 41, 6 0 A RM:CO UNt?, 4 2, 6 0 DISPlay: MONit or :CAR D, 44 , 60 DISPlay: MONit or[ :STAT e] , 43, 60 IEEE 488 . 2 , 59 impl ied, 38 INITia t e: CONT in u o us, 45, 60 INITia t e:CONT in u ous?, 46, 60 INITia t e[ :IMMedi a te], 46, 60 linki ng, 39 opti onal para met er s, 39 O UTPut[:ST ATe], 47, 60 O UTPut[:ST ATe]?, 47, 60 pa ra me t er s, 3 9 Quick Re ference , 6 0 RO UTe:CLOSe, 37 , 48, 60 ROUTe :CLOSe? , 49 , 60 RO UTe:OPE N, 49, 60 RO UTe:OPE N ?, 50, 60 RO UTe:SCAN, 37, 51, 60 RO UTe:SCAN: MODE, 52, 60 RO UTe:SCAN:MODE?, 37, 52 SCPI, 13, 37 STATus: OPE Ra tion:ENABle, 3 6, 53, 6 0 STATus: OPERation[: EVENt ]?, 36, 5 3, 6 0 HP E 1366A/67 A RF Multip lex ers User’s Man u al Index 71
SYSTem:C DEScr i pt i on?, 54, 60 SYSTem:C PON, 55 , 60 SYSTem:C TYPe?, 5 4, 6 0 SYSTem:ERR o r ?, 5 4, 6 0 TRIGger: S O U Rce, 25, 31, 57, 60 TRIGger: S O U Rce?, 58, 60 TRIGger[: IMMedi ate], 56, 60 ty p e s , 3 7 Comment sheet, rea der, 9 Co mmo n (*) Co m ma nds , 37 *CLS, 3 6, 5 9 *E SE, 59 *ESE?, 59 *ES R ?, 37 , 59 *IDN?, 5 9 *OPC, 59 *OPC?, 5 9 *RCL, 59 *R S T, 37 , 39 , 59 - 60 *SAV, 5 9 *SR E , 36 , 59 *SR E?, 59 *S TB ?, 3 6 - 37 , 59 * TR G , 59 *TST?, 59 *WAI, 5 9 list of, 59 Quick Re ference , 6 0 Comm on Comma nd Forma t, 37 C ommon, ch a nnel, 11 Compon en ts ch an gin g, 2 3 Co nf igu rat ion s , 20 mat rix - t ype, 22 s tan d ard, 2 0 t ree, 21 Conform i t y , declarati on of, 7 Conne c tin g field wiri ng, 19 Co nn ec ti ng U se r Inp u ts, 18 Co nn ec tor s , loc at io ns of , 19 CONTin u ous, (INI Ti a te:C ONTi nuous), 45 CONTin u ous?, (INIT i ate:CONT i nu ous ?), 46 COUNt, (ARM:COUN t), 30, 41 CO UNt?, ( A RM:C O UNt?) , 42 CPON, (SYST em: CPON), 55 CTYPe? , (SYSTem:CT YPe? ), 5 4 D DC Per for mance , 6 1 De clara ti on of c o nf o rmit y, 7 DISPla y , 43 DISPla y s u bs y stem, 43 - 44 DISPla y :MONi tor:CARD, 44 , 60 DISPla y :MONitor[:ST AT e], 6 0 D ocumenta ti on h istory, 6 D UT, 29, 31 def i ned, 22 E Error Messa ge C ha nnel list requi red, 6 9 C omman d not supp orted on this c a rd, 69 Exter na l trigger sou r ce alrea d y alloc a ted, 69 Functi on not support ed on t h is card , 69 Illega l para m eter va lue, 69 I n i t ignored, 69 Inval id card number , 69 I nv ali d cha nn el n u mbe r, 69 Inval id ch anne l r an ge, 69 Sc an li st not ini tiali zed, 69 Too m an y cha nne ls i n c han ne l lis t, 69 T rig ge r ig no re d , 69 Error Messa ges, 6 9 Error n umber s, 6 9 ERRor ?, (SYST em: E RRor ?) , 54 Ex am ples m atrix-type sw it ching , 28 sc an comp lete inte rrup t, 36 sc an ni ng us ing Ev e nt I n Po rt , 35 sc an ni ng us i ng Tri g O u t P ort , 29 , 3 5 sc an ni ng w it h e x tern al dev ice , 34 s tan d ard s w it chi ng , 26 t re e sw i tchi ng, 2 7 F FR ES , 32 , 48 , 52 , 60 Fuses, location of, 23 G Guideli nes, w irin g, 1 9 H HP-IB p ri mary a dd ress, 36 secondary ad dress, 36 sele ct code, 36 Service Request (SRQ), 3 6 72 HP E1366A/67 A RF Multiple xers User’s Man ual I nde x
I IEE E 488.2 Comman ds, see Comm on (*) Command s, 37 IMMediat e, (INIT iate[: IMMedi ate]), 46 IMMediate, (TRI Gger [:IMMedia t e]), 5 6 Impl ied C omma nds, 38 Initi al Opera tion, 15 INITi ate su bs y stem, 45 - 46 INITi ate:CONT i nu ous, 45, 60 INITi at e:CONT i nu ous ?, 46, 60 INITi ate[:I MMediate], 46, 60 Inp ut C h a r act er ist ics, 61 I n su la tion re si s ta nce, 61 I nterru pt Le v e l, 61 Inter rup t Pri ori t y Jumper s, 23 L L inki ng Com m ands , 39 L og ical Ad d ress, 14 L og i cal A d dress S wi t ch, settin g of, 23 M Ma tri x-Typ e S witch ing, exam pl e o f, 2 8 M odule D escri pti on, 11 MONitor :CAR D, (DISPl a y:MONi tor :C A R D), 44 MONitor[ :ST AT e], (DISPla y:MONit or[: ST ATe]) , 43 Multi plexer basic oper a tion, 11 c ar d n u mbe rs , 14 chan nel num bers, 14 chan nels, 11 comma nds, 25 comp onent s, cha nging of, 23 c onf ig u ratio ns , 2 0 - 22 def i ned as sw i tc hbo x ins tru me nt , 1 3 desc rip tion of modu le , 1 1 error messag es, 69 error nu m b ers, 69 lo g ical address s w itch, 23 progra mmi ng, 13 rea d ing r egist er s, 6 6 register t y pes, 66 sw i tc hi ng di ag ram, 12 t y p ica l c onfigur ation , 1 3 writ in g t o regi ster s, 67 Mul tiplexer C h a n nel Addr ess, 13 g r ou ps of sequen tial cha nnel s, 13 m ul tip le cha nne ls , 13 seq uen tia l channels, 13 single ch an nels, 13 N NONE, 48, 52, 60 O OPEN,( RO UTe:OPE N), 4 9 OPEN ?, (RO UTe:OPEN?), 50 Opera tion i nit ia l , 15 OPERa tion:ENABle, (STAT us:OPE Ra t ion:EN A Ble), 53 OPERa tion[: E VENt]?, (STAT us:OPERat i on:EVE Nt?), 53 Opt i onal Par am eter s, 39 O UTPut subsy stem, 4 7 O UTPut[ :ST AT e] , 47, 60 O UTPut[ :ST ATe]?, 47, 60 P Para met er s, 39 P ower Requirem en ts, 61 Prog ra mm i ng th e Mul ti pl ex er Modul e, 13 Q Quer y Ch an nel Sta t es, 28 Quick R ef eren ce comma nd, 60 R Rea der comm ent s h eet , 9 Re a din g ch a n nel ena ble re gi ster s, 66 de vice t y p e regi ster s, 66 ID t y pe regi ster s, 66 register s, 6 6 st atus/co ntrol r egist ers, 6 6 Regi ster s addressin g, 6 6 def i nitio ns , 6 5 reading chann el en able, 6 6 reading device t ype, 66 re adi ng ID typ e, 6 6 read ing st atus/ c o nt rol, 66 sta tu s, 36 t y p es of multi plex er m od ules, 66 wri ting to, 6 7 HP E 1366A/67 A RF Multip lex ers User’s Man u al Index 73
writ i n g to ch anne l e n a bl e, 67 writin g to Status/ C ontrol, 6 7 Relay Life , 61 Relay Repl acemen t St ra tegy , 6 3 RE S , 32 , 48 , 52 , 60 RO UTe: su bs ystem, 48 - 5 2 RO U Te:CLOSe, 3 7, 48, 6 0 RO UTe:CLOSe?, 49, 60 RO UTe:OPEN, 4 9, 6 0 RO UTe:OPE N?, 50 , 60 RO UTe:SCAN, 37, 51, 60 RO UTe:SCAN:MODE , 52, 60 RO UTe:SCAN:MODE ?, 37, 52 S Sa fe t y wa rni ngs, 6 Scan Complet e Bit setting a nd using, 36 Scan Com plet e In ter ru p t, exa m p le of, 36 Scan List, ex ten di ng a cr oss bou nda ri es, 30 SCAN, ( ROUTe:SCAN) , 51 SCAN:MODE, ( ROUTe:SC AN:MODE ), 52 SCAN:MODE?, ( RO UTe:SCAN:MODE ?), 52 Scan ni n g chan nels, 29 - 31 chan nels c omment s, 30 comma nds, 31 externa l inst rum en ts, 31 t r i gger sourc e s, 31, 33 usin g Ev en t In P or t, ex am pl e o f, 35 usin g Tr ig Out Port, exa m ple of, 29, 35 with external device, 34 SCPI Comm a nds, 13, 37 forma t, 37 li nki n g m ult ip le comm ands , 39 opti onal para met er s, 39 pa ra me t er s, 3 9 qui ck r ef eren ce, 60 ref e re nce , 4 0 spec ifyin g, 13 with IE EE 488 . 2 c omma nds, 39 Service Request (S RQ) , HP-IB, 3 6 Setting continuous scans, 30 mu lt ipl e s ca ns, 30 sc an c o mple te bit, 36 SO URce, (TRI Gger :SOU R ce ), 57 SO UR ce ?, ( TRIGger:SOU Rce?), 58 Sta nd a r d Comman ds for Progr a mma ble In str umen ts see SCPI Comma nds, 13 Stand a r d S witching , exam ple of, 26 ST ATe, ( O UTPut[ :ST ATe]), 47 STATe?, ( O U TPut[:ST ATe]?), 47 Stat us Regist er, 3 6 ST Atus subsy stem, 5 3 STATu s:OPERati on: E N A Ble, 36, 53, 60 STATu s:OPE Ra tion: E VENt ?, 36 , 53 STATu s:OPERati on[ :EVE NT] ?, 60 Sw i tc h logical add r ess, 23 setting of, 23 S witchbox c ar d n u mbe rs , 14 c onf ig u ratio n, 14 mult iple m od ule, 14 mult iple m od ule, exam pl e o f, 14 sc an ni ng c han ne ls , 29 , 31 sele cti n g c h an nels, 13 single modul e , 14 S w it ch in g C h a n ne l s, 25 S wit ch in g Dia gra m , 12 SYSTem s u bs ystem, 54 SYSTem :CDE S cription?, 54 , 60 SYSTem: CPON, 55, 60 SYSTem: CT Y P e?, 54, 60 SYSTem: E R Ror?, 54, 60 T Ter mina tion resi s tor, 11, 23 T re e S witch ing, exam pl e o f, 2 7 Trigge r S ou rces, scanning , 31 TRIGger subsy stem, 5 6 - 58 TRIGger : S O URce, 25, 31, 57, 60 TRIGger : S O URce ?, 58, 60 TRIGger [ :IMMedi a te], 56, 60 U User Inpu ts, con necti ng, 18 V VOLT, 32, 48, 52, 60 W WA RNINGS, 6 War rant y , 5 Wr it in g to regi ster s, 67 74 HP E1366A/67 A RF Multiple xers User’s Man ual I nde x