Instruction/ maintenance manual of the product Pulse Generator CH Tech
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Man ua l P ar t No: 1 10 26 33 9 D MO DE L VX462B USER'S MANUAL VXI PULSE GENERA TOR MO DU L E.
COPYRIGHT C&H T echn ologies, Inc. ( C&H) pro vi des t hi s man ual "as is" wi t h out war rant y o f any ki n d, ei t her expressed o r i m pl i ed, in cl udi ng but not l i m i ted t o t he i m pl i ed warrant i es o f merch antabi l i t y and fit n e ss fo r a p a r t ic u la r p u r p o s e .
iii AMENDM ENT NOTICE C&H T echn ol ogies, Inc. m ak es every at t em pt t o pro vi d e up - to - dat e m anual s wi t h the associ ated equi pm en t. O c c as i on a l l y , c h a n ge s ar e m ad e to th e eq u i pm e n t wh e re i n i t i s n ec e s s ar y to pro v i d e am endm ents to the m anual .
iv INTRO DUCTION Th i s m an ua l desc ri be s t he f un cti o nal o perati on of t h e C& H Model VX46 2B V XI Pu l s e Ge ne rator (Part No. 1 10263 35). Th i s m odul e i s o n e o f a num b er o f tes t an d da ta ac q ui s i ti on /c on trol mo d u le s in t h e V M E a n d V X I fo r ma t p r o v id e d b y C & H .
v TAB LE OF CONTENTS 1.0 GENE RA L DES CRIPTI ON ............................................................................................. 1 1.1 PURPO SE OF EQUIPMENT ............................................................................... 1 1.
vi LIST OF FIGUR ES Figur e 1 . E l ect r ical T i ming a n d O u t p u t C ha r a c t e r is t ic s ........................................................... 2 Figur e 2 . Sim pli f i ed Blo ck D i ag ra m ..........................................
1 1.0 GENERAL DESCRIP TION Th e VX 462 B i s a B - si z e V XIbus co m pat ib l e pr o gra m mabl e 20 MHz pulse g enerat o r with an addi t i onal 40 MHz square wav e f uncti on. The m o dul e ca n output si n gl e or doub l e pu l se p attern s th at ca n b e co n ti n uou s s tre am s or e x ter n a l l y tr i gg e re d or g ate d.
2 Fig ure 1 . El ect r ical Tim ing and Ou tput C har acter ist ics 1.2.4 En vi ronm en t a l Th e en vi ron m en t al spe ci f i cati o n s of t he m o dul e are : Operat i ng Temperatur e: 0 C t.
3 1.2.5 Bus Co m pli ance Th e m o dul e com pl i es wi t h t he VXIb us Spe ci f i cati o n Re v i si on 1.4 f o r B - si ze re gi ster based mo d u le s a n d w it h V M E bu s S p e c if ic a t io n A N S I / I E E E S T D 1 0 1 4 - 1987 an d IE C 821.
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5 2.0 INS TALLATIO N 2.1 UNPACK ING AND INSP ECTION In m o st cas es the VX4 62B i s i n di vi dual l y se al ed an d packa ged f or sh i pm en t. Veri f y t h at t h ere h as bee n no d amag e t o t he s hi pp ing c o nt a i ner .
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7 3.0 FUN CTION AL D ESCR IPTI ON 3.1 GE NERAL Th e VX4 62B i s con f i gure d, con t ro l l ed, an d status ed thr o ugh o n - bo ar d r e gist e r s ac ce ss i bl e th rou gh th e V XI b ac kp l a n e .
8 3. 3 INDIC A TORS Two L ED i ndi ca to rs are provi ded on the f ron t pa ne l . On e i n di cates th e M OD ID s ta tus a n d th e oth er i n di c a te s th e b oa rd s tatu s . MODI D: Thi s f ront pan el LED i l l um i na tes wh en ev er th e h ost pro cess o r appl i es t he MODID si gnal t o t he sl o t t h e mo d u le i s occup y i n g.
9 3.5 CONFI GURA TION REG IST ER S Th ere are se v eral t y pes o f regi s t ers us ed to conf i gure an d con tro l the VX4 62B . Th e VXI co n f i gurat i on r egi st ers pr ovi de for co ntr ol and st atus as r equi red by t he VXI b us speci f i cati on.
10 00 VXI ID Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Write No t Used No t Used Read De vi ce Class Addre ss Space Manuf act ure r I D Dev ic e Class Dev ice Cla ss (Re gist er B ase d = b inar y 11) Addre ss Space Addr ess Space (A16 Only = binary 11) Manuf .
11 3.5.2 Pul se Con f i gurati on Regi sters Pul se Repe t i t i o n Interval Regi ster (08) T h i s r e a d / w r i t e r e g i s t e r c o n t r o l s t h e p u l s e r e p e t i t i o n int e r va l a nd t h e s t at e o f t he o utpu t rel ay . See F i gur e 6 f o r detai l s.
12 Del ay Regi s ter (0A) T h i s r e a d / w r i te r e g i s t e r c o n t r ol s d e l a y of th e p r i m a r y p u l s e f r o m th e tr i g g e r out or the de la y o f t h e s e c o n d p u ls e o f a d o u b le p u ls e fr o m t he t r ig g e r o u t .
13 Pul se Contro l Regi s te r (0 E) T h i s r e a d / w r i t e r e g i s t e r c o n f i g u r e s t h e o p e r a t i n g m o d e o f t h e p u l s e .
14 Lo w/H i gh Level Ref erence Regist er ( 10 & 12) Tw o 1 2 b i t D i g i ta l to A n a l og C on v er te rs ( D A C ) are used t o c reate t he l o w and hi gh l ev el ref eren ces to t h e o utput l o gi c. The se regi sters are wri te on l y .
15 4.0 OPERAT ING INSTR UCTIO NS Th e VX46 2B provi de s t hre e n orm al m odes, thre e tri gg ered m odes , an d t hre e spec i al m o des of ope rati on , al on g w i t h v ol tag e l ev el p rog ra m m i n g, ou tpu t di sc on n ec t, a n d pu l s e en ab l e con trol s .
16 4.2 PROGRA MMING SE QUENCE Th e RU N b i t i n th e Pul se Con tro l Reg i ster i s th e b as i c On /Of f con tro l f or pul se g en era t i on. A separ at e ou t put relay c onnect s/d i sco nn ect s t he ge n er at ed pul s e t o/ f r om t h e BNC co nn ect or .
17 4.4 TRIGG ERED MO DES OF OPERA TION Th e p ul se stream c an b e program m ed to run c onti nuous l y , out put a s i ng l e f un cti on wh en tri gg er e d, or out put co nti nuousl y as long as t he gat e (t ri gger i n ) i s hi gh (i.e., f ree run, t ri gger, o r gat ed r epeti t i o n.
18 4.6 OUT PUT VOLT A GE LEVEL PRO GR A MM ING Two 12 bi t di gi tal t o an al og con v erters (DA C' s) provi de the out put swi tch ref ere nc e vol t ages .
19 5.0 TRO UBLE ANALYSIS 5.1 BUI LT IN TES T AND DI AG NO S T I CS Bui l t i n t est functions are p ro vi de d f or t he VX 462B in t he form o f re ad back r egisters.
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A -1 APPENDI X A - BOAR D L AYO UT.
A -2.
B-1 APPENDI X B - C ONN EC TOR S PIN C B A 1 2 3 4 5 D08 D09 D10 D11 D12 - - - BG0IN* BG0OUT* D00 D01 D02 D03 D04 6 7 8 9 10 D13 D14 D15 GND - BG1IN* BG10UT* BG2IN* BG20UT* BG3IN* D05 D06 D07 GND - 11.
B-2 PIN C B A 1 2 3 4 5 - - - - - +5V GND - - - - - - GND - 6 7 8 9 10 - GND - - GND - - - - - - - - - G ND 11 12 13 14 15 - - - - - - GND +5V - - - - - - - 16 17 18 19 20 GND - - - - - - - - - GND - - - - 21 22 23 24 25 - GND - - - - GND - - - - GND - - - 26 27 28 29 30 - - GND - GND - - - - - - - - MODID 31 32 - - GND +5V GND - Fig ure B - 2.
B-3 BNC FRON T VIEW PULSE PULSE OUT TRIGGE R OUTP UT TRIG OU T TRIGGE R/GATE IN PUT TRIG IN Fig ure B - 3. Fr ont Panel Connector.
B-4.
N O T E S.
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READER'S CO MM ENT FORM Yo ur co m m en t s assi st us in im pro vi ng t he usef ul nes s of C&H' s publ icati ons; t hey are an i m po rt ant part o f the i nputs used f o r revi si o n.
INSTR UCTION S In i t s con t i nu i n g ef f o rt to i m prov e do cum en t at i o n, C& H Tech nol ogi es , In c . p r ov i d e s th i s f or m f or use in subm i t ti ng any comm ents o r suggesti o n s t h a t t he user m a y hav e.
An important point after buying a device CH Tech Pulse Generator (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought CH Tech Pulse Generator yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data CH Tech Pulse Generator - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, CH Tech Pulse Generator you will learn all the available features of the product, as well as information on its operation. The information that you get CH Tech Pulse Generator will certainly help you make a decision on the purchase.
If you already are a holder of CH Tech Pulse Generator, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime CH Tech Pulse Generator.
However, one of the most important roles played by the user manual is to help in solving problems with CH Tech Pulse Generator. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device CH Tech Pulse Generator along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
