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pcio8 8-bit isa bus add-on board with 8 opto-isolated digital inputs and 8 opto-isolated digital outputs 2192-09070-000-000 j557 pcio8 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 datasheet ? 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 fax on demand system, (telephone numbers are listed below (fod)), or by contacting our website at: www.arcom.co.uk. additional useful contact information: c c u u s s t t o o m m e e r r s s u u p p p p o o r r t t : : ( ( t t e e l l ) ) +44 (0)1223 412 428, ( ( f f a a x x ) ) +44 (0)1223 403 400, ( ( e e - - m m a a i i l l ) ) support@arcom.co.uk s s a a l l e e s s : : ( ( t t e e l l ) ) +44 (0)1223 411 200, ( ( f f a a x x ) ) +44 (0)1223 410 457, ( ( e e - - m m a a i i l l ) ) sales@arcom.co.uk united kingdom (head office) arcom control systems ltd clifton road cambridge cb1 4wh, uk tel: +44 (0)1223 411 200 fax: +44 (0)1223 410 457 e-mail: sales@arcom.co.uk fod: +44 (0)1223 240 600 united states arcom control systems inc 13510 south oak street kansas city, mo 64145, usa tel: 888-941-2224 fax: 816-941-7807 e-mail: sales@arcomcontrols.com fod: 800-747-1097 germany arcom control systems tel: 0130 824 511 fax: 0130 824 512 fod: 0130 860 449 belgium arcom control systems tel: 0800 7 3192 fax: 0800 7 3191 fod: +44 (0)1223 240 600 netherlands arcom control systems tel: 06022 11 36 fax: 06022 11 48 fod: +44 (0)1223 240 600 italy arcom control systems fod: 1678 73600 france arcom control systems centre d?affaires scaldy 23, rue colbert, 7885 saint quentin cedex, france tel: 0800 90 84 06 fax: 0800 90 84 12 fod: 0800 90 23 80
page 2 intr oduction the pcio8 is an 8-bit i sa bus add-on boar d pro viding 8 opto-isolated digital inputs an 8 opto- isolated digital outputs. each input channel may be individually driven b y an external sour ce or from the on-boar d isolated +24v supply. the outputs ar e configur ed as open collector drivers with a capability to sink up to 500ma for channels 0 to 5 and up to 300ma for channels 6 and 7. pcio8 boar d inputs driven b y external po wer sour ce pcio8-dc/dc boar d fitted with +24v isolated dc/dc converter to pro vide excitation supply f eatur es ? ce compliant design ? 8 opto-isolated digital inputs ? 8 opto-isolated digital outputs ? output channels 0 to 5 sink up to 500ma 6 and 7 sink up to 300ma ? occupies 4 b ytes of addr ess space ? optional dc-dc converter ? r c filter pro viding 10ms of debounce ? link selectable base addr ess ? boar d access l e d ? oper ating temper atur e r ange, +5c to 55c ? p o wer consumption pcio8 150ma pcio8-dc/dc 500ma ?m tbf: 559,ooo pcio8 148,000 pcio8-dc/dc 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 l e d should flash. if not check default link configur ation. 2192-09070-000-000 j557 pcio8
page 3 2192-09070-000-000 j557 pcio8 oper ation reading or writing to the boards control of the pcio8 is achieved b y writing to a data r egister to r ead or write the r equir ed data. each time the boar d is accessed the r ed l e d will flash momentarily. opto-isolated inputs when an input channel is switched on the value r ead b y the host will be a ?0?. each input is configur ed as follo ws: output channels each output channel is switched on b y writing a ?0? to the channel control r egister. the darlington output will be sinking curr ent when switched on. on po wer-up or when r eset is asserted, all the outputs ar e disabled and switched of f . if the po wer on the host system is switched off at any time all the outputs will be switched of f . the outputs ar e enabled b y writing to base +2 addr ess.
power dissipation and current handling for each device ic1 and ic2 in or der to pr event damage to the output darlington drivers, the t t o o t t a a l l po wer dissipation for ic1 (output groups 0, 1, 2 & 6) and ic2 (output groups 3, 4, 5 & 7) must be belo w 760mw @ 25c. this must be de-r ated at 6mw/c abo ve 25c. the follo wing chart gives a guideline to maximum curr ent handling for each device, and ho w this is der ated with incr eased temper atur e. note- output channels 0 to 5 ar e capable of sinking up to 500ma. channels 6 and 7 will sink up to 300ma. f or further information r egar ding the output drive capability of this product, please r efer to ar com p roduct notice no . 32 which may be found on the ar com w ebsite, or b y using the ar com f ax on demand system. page 4 2192-09070-000-000 j557 pcio8
page 5 2192-09070-000-000 j557 pcio8 i/o map i/o functions registers address offset 00 outputs outputs inputs output enable w rite r ead r ead w rite outputs r ead output control r egister inputs w rite bit ?0? for output enable (1), disable (0) 00 01 02 function read/write register description
2192-09070-000-000 page 6 j557 pcio8 links the base addr ess of the boar d is set using lk11. inserting a jumper selects a ?1?. power supply selection lk1 fitted use the on-boar d supply w w a a r r n n i i n n g g : ensure lk1 is removed if using an external supply. lk2-9 these connect the positive input of each channel to the positive side of the common isolated supply b y inserting a jumper. lk10 these connect the debounce cir cuit to the input channels. default link position (default address 180h) user configuration record lk1 1 9 8 7 6 5 4 3 2 lk10 lk2 lk3 lk4 lk5 lk6 lk7 lk8 lk9 lk1 lk1 1 9 8 7 6 5 4 3 2 lk10 lk2 lk3 lk4 lk5 lk6 lk7 lk8 lk9 lk1 default address = 180h
page 7 2192-09070-000-000 j557 pcio8 connector p l1 signal d-type pin no. common supply 0v (inputs only) 1 34 18 2 35 19 3 36 20 4 37 21 5 38 22 6 39 23 7 40 24 8 41 25 9 42 26 10 43 27 11 44 28 12 45 29 13 46 30 14 47 31 15 48 32 16 49 33 17 50 rc pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 channel 0 negative input channel 0 positive input channel 1 negative input channel 1 positive input channel 2 negative input channel 2 positive input channel 3 negative input channel 3 positive input common supply +24v (inputs only) common supply 0v (inputs only) channel 4 negative input channel 4 positive input channel 5 negative input channel 5 positive input channel 6 negative input channel 6 positive input channel 7 negative input channel 7 positive input common supply +24v (inputs only) not connected common supply 0v (inputs only) common supply 0v (inputs only) common supply 0v (inputs only) common supply 0v (inputs only) isolated ground (outputs only) isolated ground (outputs only) isolated ground (outputs only) isolated ground (outputs only) not connected isolated ground (outputs only) channel 0 output channel 1 output channel 2 output channel 3 output channel 4 output channel 5 output channel 6 output channel 7 output common positive supply (outputs only) isolated ground (outputs only) not connected not connected not connected not connected not connected not connected not connected not connected common positive supply (outputs only)
2192-09070-000-000 page 8 j557 pcio8 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 of less : ribbon cable satisfactory cable 1 metr e to 3 metr es : 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.
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2192-09070-000-000 page 12 j557 pcio8 the choice of boards or systems is the responsibility of the buyer, and the use to which they are put cannot be the liability of arcom control systems ltd. however, arcom?s sales team is always available to assist you in making your decision. ? 1997 arcom control systems ltd arcom control systems is a subsidiary of fairey group plc. specifications are subject to change without notice and do not form part of any contract. 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 iso 9001:1994 r evision histor y manual issue a issue b issue c issue d issue e issue f issue g v1 i1 v1 i1 v1 i1 v1 i2 v1 i2 v1 i2a v1 i2a 960927 first p ublished in this format. 970106 [ec o2460] 970130 [ec o2466] 970408 [ec o2468, 2476] 970603 edits to page 7 971208 [ec o2695] 980129 [ec o2684] pcb comments

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