Instruction/ maintenance manual of the product Pulse Generator C&H Technologies
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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) pr ovi des t hi s man ual "as i s" wi tho ut warr anty o f an y ki nd, either 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 a kes ever y at t em p t t o pr ovi de up - to - dat e m a n uals wi t h the associ ated equi pm en t. O c ca si o n a l l y , c h a n g es ar e m ad e to th e eq ui p m en 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 an ual .
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 a cq 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 Speci f i ca t i on Rev i si on 1.4 f o r B - size r egister 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 and IEC 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 ship ping co 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 VX I 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 oc cup y i n g.
9 3.5 CONFI GURA TION REG IST ER S Th ere are se v eral t y pe s of regi s t ers us ed to conf i gure and con tro l the VX4 62B . The VXI co n f i gurat i on r egi st ers pr ovi de for co ntr ol and stat us as requi red by t he VXIbus speci f i cat i 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 Interva l 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 v a 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 Regis t er (0A) 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 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 ble p u ls e fr o m t he t r ig g e r o u t .
13 Pul se Contro l R egi 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 h e l o w and hi gh l ev el ref eren ces t o 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 connect s/d i sc onnect s t he gener at ed pulse t o/fro m t he 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 the gat e (t ri gger i n) i s hi gh (i.e., f ree run, t ri gge r, 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 f unct i o n s ar e pro vi ded for t he VX 462B i n t he f orm o f r ead back r egis ters.
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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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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 sub m i t ti ng any comm ents o r suggesti o n s t h at t h e user m ay hav e.
An important point after buying a device C&H Technologies 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 C&H Technologies 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 C&H Technologies Pulse Generator - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, C&H Technologies Pulse Generator you will learn all the available features of the product, as well as information on its operation. The information that you get C&H Technologies Pulse Generator will certainly help you make a decision on the purchase.
If you already are a holder of C&H Technologies 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 C&H Technologies Pulse Generator.
However, one of the most important roles played by the user manual is to help in solving problems with C&H Technologies Pulse Generator. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device C&H Technologies 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
