pcrelay8/in8 8-bit isa add-on board 2192-09458-000-000 j553 pcrelay8/in8 page 1 preface packing list this product is shipped as follows: ? board ? user manual ? utility disk ? pcbus library datasheet if any of the above appear to be missing, please telephone arcom on 01223 411 200. utility disk this product is shipped with a utility disk which contains: ? pcbus library manual ? source code for all pcbus i/o boards ? a test program called examp-01.exe handling this board contains cmos devices which could be damaged in the event of static electricity being discharged through them. at all times please observe anti-static precautions when handling the board and always unpack and install the board in an anti-static working area. please ensure that should a board need to be returned to arcom, it is adequately packed and if a battery is fitted, that it is isolated. product information full information about other arcom products is available via the f f a a x x - - o o n n - - d d e e m m a a n n d d s s y y s s t t e e m m , (telephone numbers are listed below), or by contacting our w w e e b b s s i i t t e e in the uk at: w w w w w w . . a a r r c c o o m m . . c c o o . . u u k k . . u u s s e e f f u u l l c c o o n n t t a a c c t t i i n n f f o o r r m m a a t t i i o o n n customer support sales or for the us: e-mail tel: +44 (0)1223 412 428 tel: +44 (0)1223 411 200 icpsales@arcomcontrols.com fax: +44 (0)1223 403 400 fax: +44 (0)1223 410 457 e-mail: support@arcom.co.uk e-mail: sales@arcom.co.uk u u n n i i t t e e d d k k i i n n g g d d o o m m arcom control systems ltd clifton road cambridge cb1 4wh, uk tel: 01223 411 200 fax: 01223 410 457 fod: 01223 240 600 u u n n i i t t e e d d s s t t a a t t e e s s arcom control systems inc 13510 south oak street kansas city mo 64145 usa tel: 816 941 7025 fax: 816 941 0343 fod: 800 747 1097 f f r r a a n n c c e e arcom control systems centre d?affaires scaldy 23 rue colbert 7885 saint quentin cedex, france tel: 800 90 84 06 fax: 800 90 84 12 fod: 800 90 23 80 g g e e r r m m a a n n y y kostenlose infoline: tel: 0130 824 511 fax: 0130 824 512 fod: 0130 860 449 n n e e t t h h e e r r l l a a n n d d s s gratis 0800 nummer: tel: 0800 0221136 fax: 0800 0221148 i i t t a a l l y y numero verde: tel: 1677 80841 fax: 1677 90841 fod: 1678 73600 b b e e l l g g i i u u m m groen nummer: tel: 0800 7 3192 fax: 0800 7 3191 ? 1997 arcom control systems ltd. arcom control systems is a subsidiary of fairey group plc. all trademarks recognised. arcom control systems ltd operate a company-wide quality management system which has been certified by the british standards institution (bsi) as compliant with iso9001:1994 whilst arcom?s sales team is always available to assist you in making your decision, the final choice of boards or systems is s olely and wholly the responsibility of the buyer. arcom?s entire liability in respect of the boards or systems is as set out in arcom ?s standard terms and conditions of sale. if you intend to write your own low level software, you can start with the source code on the disk which is supplied. this is e xample code only to illustrate use on arcom?s products. it has not been commercially tested. no warranty is made in respect of this co de and arcom shall incur no liability whatsoever or howsoever arising from any use made of the code.
page 2 intr oduction the pc r e l a y8/i n8 is an 8-bit i sa bus add-on boar d pro viding 8 changeo ver r elays. the po wer switching r ating is 60w (r esistive load). this allo ws supplies upto 48v dc and switching curr ents 1.0a. ther e ar e also 8 opto-isolated inputs pro viding an input to output isolation of 1500v. features ? ce compliant design ? 8 changeo ver r elays with a po wer switching r ating of 60w (r esistive load) ? s witching voltage up to 48v dc and switching curr ents up to 1.0a ? 8 opto-isolated inputs complete with two curr ent limiting r esistors per input ? opto-input switching voltage: 10v to 30v ? output status r eadback r egister ? occupies 4 bytes of addr ess space ? r elay drivers disabled on po wer-up and r eset ? both normally closed and normally open r elay terminals ar e available at the i/o connector ? link selectable debounce option on inputs ? link selectable, even boundary base addr ess ? boar d access l e d ? oper ating temper atur e r ange, +5c to 55c ? p o wer consumption +5v 0.25v 250ma typical + 40ma per r elay oper ating ? r elay life r ating 500,000 oper ations minimum (dc full load) getting star ted ? s witch off pc ? install boar d in supplied configur ation ? s witch on pc ? r un e xa m p-01.e x e (supplied on the utility disk) ? an access/user l e d should flash. if not check default link configur ation (p age 5) oper ation each r elay is switched b y writing a ?1? to the r elay output r egister. on po wer-up or r eset the output latches that drive the r elay drivers ar e disabled. t o enable them it is necessary to write ?01? to base addr ess +1. f or system initialisation, it is r ecommended that the output r egister is written with the r equir ed r elay states befor e the r elay r elay enable bit is set. the status of the opto inputs is r ead form i/o addr ess base +1. when an input channel is switched on the value r ead b y the host will be a ?0?. 2192-09458-000-000 j553 pcrelay8/in8
i/o map links address selection lk1 the base addr ess of this boar d is set using lk1; inserting a jumper selects ?1?. debounce option lk2 page 3 2192-09458-000-000 j553 pcrelay8/in8 address offset 00 relay output relay status relay enable opto-inputs w r w r write to relays 0/7 readback from relay drivers enable relay driver latches read opto-inputs 0/7 00 01 01 register name read/write comments relay outputs relay status relay enable opto inputs bit function bit 0-7 for relay 0-7 0 = relay nc contacts closed 1 = relay no contacts closed bit 0-7 0 = relay nc position 1 = relay no position bit 0 0 = all relays off (nc position) 1 = relays controlled by relay output register bit 0-7 0 = input on 1 = input off f f a9 a8 a7 a6 a5 a4 a3 a2 link position a b c d e f g h 0 1 2 3 4 5 6 7 data bit
default link position [default address 180h] user configuration record output connector pl1 pin assignments page 4 2192-09458-000-000 j553 pcrelay8/in8 ribbon cable dtype not connected relay 1 no not connected relay 2 common relay 2 nc not connected relay 3 no not connected relay 4 common relay 4 nc not connected relay 5 no not connected relay 6 common relay 6 nc not connected relay 7 no not connected relay 8 common relay 8 nc common -ve input (low bits) +ve input bit 1 +ve input bit 3 +ve input bit 5 +ve input bit 7 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 relay 1 common relay 1 nc not connected relay 2 no not connected relay 3 common relay 3 nc not connected relay 4 no not connected relay 5 common relay 5 nc not connected relay 6 no not connected relay 7 common relay 7 nc not connected relay 8 no not connected +ve input bit 0 +ve input bit 2 +ve input bit 4 +ve input bit 6 common -ve input (high bits) 1 1 18 35 3 20 37 5 22 39 7 24 41 9 26 43 11 28 45 13 30 47 15 32 49 17 dtype 34 2 19 36 4 21 38 6 23 40 8 25 42 10 27 44 12 29 46 14 31 48 16 33 50 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 function ribbon cable function
installation for ce compliance t o maintain compliance with the r equir ements of the e mc dir ective (89/336/e ec), this product must be corr ectly installed. the pc in which the boar d is housed must be ce compliant as declar ed b y the pc manufactur er. the type of external i/o cable can be chosen accor ding to the notes belo w: 1. r emo ve the co ver of the pc observing any additional instructions of the pc manufactur er. 2. l ocate the boar d in a spar e i sa slot and pr ess gently but firmly into place. 3. ensur e that the metal br acket attached to the boar d is fully seated. 4. fit the br acket clamping scr ew and firmly tighten this on the br acket. note: good contact of the br acket to the chassis is essential. 5. r eplace the co ver of the pc observing any additional instructions of the pc manufactur er. cable cable length 1 metr e or less : ribbon cable satisfactory cable 1m to 3m : commer cial scr eened cable gives the protection r equir ed l onger cable or noisy environment : use fully scr eened cable with metal backshells e.g. ar com c ab50ce the following standards have been applied to this product: bs e n50081-1: 1992 generic emissions s tandar d, r esidential, commer cial, light industry bs e n50082-1: 1992 generic immunity s tandar d, r esidential, commer cial, light industry bs e n55022: 1995 it e emissions, class b, limits and methods page 5 2192-09458-000-000 j553 pcrelay8/in8
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2192-09458-000-000 page 8 j553 pcrelay8/in8 r evision histor y manual issue a issue b issue c issue d issue e issue f issue g v1 i1 v1 i2 v1 i3 v1 i3 v1 i3 v1 i3 v1 i3 960927 first full r elease of manual. 961129 [ec o2359,2370] 970124 [ec o2458] 970207 [ec o2465] 970326 [ec o2493] 980127 [ec o2684] 980707 [ec o2748] pcb comments
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