PCDAC12-4
Contents
1. Page 2 rcom CONTROL SYSTEMS J260 PCDAC 12 4 2192 09063 000 000 Contents Preface A A IA A 2 Packagingilist iia A a qat de pes 2 Utility DISK 32 id ee ee 2 Handling ESD Packaging sssssssllllle rrr 2 Hevision HISTON i562 sr eere oto sem Una See E ogc ue Ghee seus ADM E p eee 2 Introduction ovr A A arme Rex 5 Features cos iso etes ra A ae Pad eee 5 Getting Started os soe A EE Kein eel catu eg uu ieu ae eee cus 5 Operation M ene aaa hod So senna ahs Gi upd cre eee goa en a ead bea Gee ead Genes wae eA aed ee ee 6 Reading or Writing to the Board eee 6 Setting a DAC Valle Ri o RR RE Er enata 6 Special FUNCIONS s cci nre es id 6 VOM Sot Re LEER NL RD day de 6 I O Function Registers Ses idana na Dia i aana hr rrr 6 DAG Data Registers aueh Ne A Deuda 7 Links as de a ia ae a ACRI EES 8 Default Link Position Diagram 1 0 0 onen e e I 8 Base Address Switches ar ru un TA ES A GGG AER AE 8 Board Functions eet ese A A A has 8 User Configuration Record Diagram 0 00 cc ee 9 Calibration 52 225 4 ae ee el er m ieee ee eae a a a 10 Connectors sorae 31 serie apa sd insel eed 11 Installation for CE Compliance oocccococ nn 12 Circuit Diagrams ov a ERR E rex x a eR Ee mare s RR RR NR mn 13 rcom Page 3 CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 Page 4 rcom CONTROL SYSTEMS J260 PCDAC 12 4 2192 09063 000 000 Introduction The PCDAC12 4 is an 82. AEN CTCS RZ AL SFLEI Aa OFFS Al A2 SPEC A3 RA BIOWR D z 5 BIOUR ra Jus 4s for Jon os to BOARD ID 29 IC2l 7415244 end 2v4 2A3 era 2 2 eve EEZEEEEN m enl evi 144 1v4 143 173 142 This drawing is 1Y2 LAL 16 lvi 2G I ls RED BOARD ACCESS Title PCDAC412 PCbus 4 Channel 12 Bit DAC Fe s EEE eene I Sheet 1 of 3 the property of Arcom Control Systems Ltd and must not be copied or disclosed without written consent CJ Drawing No J260 1998 LAST ACCESSED 15 Aug 1998 Page 13 Arcom J260 PCDAC 12 4 2192 09063 000 000 DE UAPOS Wbace WDACI AGND wa csa ADYS47 RFA CSB UR D11 Dia Da Ds Dr DE DS D4 D3 De DL Da OUTA URA UDD AGND DGND RFB OUTB URB VAPOS Rigs 3 eLo ciel 5 dd 2 fel
3. Function Registers hex Register Name 0 o1 02 03 80 Green ED of 81 Read Board identification Bit 0 7 Always 29h for PCDAC12 4 Page 6 rcom CONTROL SYSTEMS J260 PCDAC 12 4 2192 09063 000 000 DAC Data Registers Address Register Name Data Bit Function Base 2 DAC low byte DAC data bios Base 3 DAC high byte Bit 0 7 DAC data bit 4 11 rcom Page 7 CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 Links Default Link Position Diagram ld ll Default Link e Id Base address switches The three rotary switches adjust the base addresss of the board A hexadecimal value for the address is shown directly in the dial windows Board functions LK1 LK2 LK3 LK4 These links select the range independently for each DAC LK1 operates with DACO LK2 with DAC1 etc LK1 4A 5V output range 10V output range LK1 4C External range An external reference or audio band AC signal must be connected to the corresponding input pin on the D50 when the C position is set rcom Page 8 CONTROL SYSTEMS J260 PCDAC 12 4 2192 09063 000 000 LK11 LK12 LK13 LK14 These links select uni polar or bi polar operation for the corresponding DAC channel LK11 operates with DACO LK12 with DAC1 etc LK11 14A Uni polar voltage output LK11 14B Bi polar voltage output Current loop outputs To scale a cur
4. achieved by writing to a pointer register and then accessing a data register to read or write the required l O register The pointer register need only be written with a new value if a different register is to be accessed The board occupies only two bytes of PCbus I O space Each time the board is accessed the red LED will flash momentarily Setting a DAC value The DAC channel is first selected by writing to the pointer register On this board unlike other Arcom ISA boards the value is then written to two dedicated data registers The standard function data register at Base 1 is not used when writing to the DAC s DAC data is in binary for uni polar operation and offset binary for bi polar operation Special Functions The PCDAC12 4 has two special function registers User LED and Board Identifier After the pointer register is set Read Write Data for either of these registers is addressed to Base 1 1 O Map A value written to the Pointer register is used to select the Function register or DAC channel next to be accessed This board occupies four consecutive addresses and must be set to an address which is a multiple of 4 e g 180h 184h 200h Address Read Write Register name Register function Base Write only Pointer register Select DAC or data register Base 1 Read write Functions registers On boarddata control Base 2 Write only DAC low byte LS Data to DAC Base 3 Write only DAC high byte MS data to DAC 1 0
5. bit ISA bus add on board with four 12 bit digital to analogue converters DAC Voltage output ranges of 5V or 10V and uni polar or bi polar operation may be selected by jumpers The board also supports 4 20mA current outputs sourced from a regulated 15V supply The D 50 I O connector conforms to Arcom s standard Signal Conditioning System SCS and may be used to drive a range of Signal Conditioning Boards SCB see Arcom s PCbus catalogue for more details Features CE compliant design Four independent 12 bit DAC channels Voltage output ranges 5V 10V or external Uni polar or bi polar outputs High stability on board references 25ppm C Current loop outputs 4 20mA 15V sourced Compact I O addressing scheme link selectable base address Board access LED User controlled indicator LED 8 bit ISA bus interface I O connector conforms to Arcom Signal Conditioning System SCS Operating temperature range 5 C to 55 C Power required 5V 200mA typical 12V 200mA max MTBF 235 000 hours using generic figures from MIL HDBK 217F at ground benign Getting Started Switch off PC Install board in supplied configuration Switch on PC Run EXAMP 01 supplied on utility disk An access LED should flash If not check default link configuration rcom Page 5 CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 Operation Reading or Writing to the Board Control of the PCO24 is
6. to assist you in making your decision Led onde To P TEI O 1996 Arcom Control Systems Ltd mu en d Arcom Control Systems is a subsidiary of Fairey Group Plc quality management Specifications are subject to change without notice and do not form part of any contract tered bythe Brito All trademarks recognised en 1509001 1994 rcom CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 WindowsNT FREE Windows NT4 0 Drivers Visit the PC ISA bus Boards page on the Arcom Website www arcom co uk ntdrv10_AR exe to download Preface Packing List This product is shipped as follows e Board e User Manual e Utility Disk e PCbus Library Datasheet If any of the above appear to be missing please telephone Arcom 01223 411200 Utility Disk This product is shipped with a utility disk which contains e PCbus library Manual e Source Code for all PCbus I O boards e Test programs for calibration 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 Revision History Manual PCB Comments Issue A V1 Iss 1B 960724 Issue B V1 Iss 1B 980116 ECO2684
7. 0V 10V range Bi Polar Channel Set the jumpers for the required bi polar range Monitor the output voltage ref analogue OV Use the program to set the DAC to half scale 0800h Adjust the corresponding trimmer to give 0 00V rcom CONTROL SYSTEMS J260 PCDAC 12 4 Connectors rcom CONTROL SYSTEMS 2192 09063 000 000 Signal Title 5V 5V 12V 12V D A4 V OUT D A3 V OUT D A2 V OUT D A1 V OUT OVA OVA EXTIN4 OVA EXTINS OVA EXTIN2 OVA EXTIN1 OVA OVA OVA OVA D A4 I OUT OVA D A3 1 OUT OVA D A2 1 OUT OVA D A1 OUT OV OV D Type No RIO oj AJ Oo no AJ A gt oO ojo AJN aj co AJN A AJN jN AJN D ol o AJN o wj no oj w nm Co ho w no SI w N ojo 09 al wo N A A gt A A A Aa A A 4 o RC No col St AP SP SP SP SP SPS 2 2ININININI MPD DPM DS N a CO wji wj COPA el ala RL al LI PI PAST CO PM A OH OD N oO Of Of PO CO A MD N CO OF OF N COT KI GH MD NI Co Of OC PO GS A OT MD N Go Oo N A O1 DI Ny oo Page 11 2192 09063 000 000 J260 PCDAC 12 4 Installation for CE Compliance Page 12 To maintain compliance with requirements of the EMC Directive 89 336 EEC this product must be correctly installed The PC in which the board is housed must be CE compliant as declared by the PC Manufacturer The external I O cable should be Arcom CAB
8. 50CE or a fully screened cable to the same pattern 1 Locate the board in a spare ISA slot and press gently but firmly into place Ensure that the metal bracket attached to the board is fully seated Fit in the bracket clamping screw and firmly tighten this on the bracket Fit the screened l O cable to the 50 way board connector Ensure that the jack screws for the cable connector are tightened use a screw driver Replace the cover of the PC observing any additional instructions on the PC manufacturer N 01 B DD Remove the cover of the PC observing any additional instructions of the PC manufacturer The following standards have been applied to this product BS EN50081 1 1992 Generic emissions standard Domestic commercial light industry BS EN50082 1 1992 Generic immunity standard Domestic commercial light industry BS EN55022 ITE Emissions Class B Limits and methods rcom CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 ircuit Diagrams C rcom CONTROL SYSTEMS LTD MS NIBBLE la gt LS NIBBLE 3 AUDACZ X9 nace il uDac i2 pace BIORD Ici K 22018 Al m USER LED ID LORD 10 5 be TOUR DEN GREEN I0EQ
9. J260 PCDAC 12 4 2192 09063 000 000 PCDAC12 4 Analogue Output Board Technical Manual Product Information Full information about other Arcom products is available via the Fax on Demand System Telephone Numbers are listed below or by contacting our WebSite in the UK at www arcom co uk or in the US at www arcomcontrols com Useful Contact Information Customer Support Sales Tel 44 0 1223 412 428 Tel 44 0 1223 411 200 Fax 44 0 1223 403 400 Fax 44 0 1223 410 457 E mail support arcom co uk E mail sales arcom co uk or for the US E mail icpsales arcomcontrols com United Kingdom United States France Germany Belgium Arcom Control Systems Ltd Arcom Control Systems Inc Arcom Control Systems Kostenlose Infoline Groen Nummer Clifton Road 13510 South Oak Street Centre d affaires SCALDY Tel 0130 824 511 Tel 0800 7 3192 Cambridge CB1 4WH UK Kansas City MO 64145 USA 23 rue Colbert Fax 0130 824 512 Fax 0800 7 3191 Tel 01223 411 200 Tel 816 941 7025 7885 SAINT QUENTIN FoD 0130 860 449 Fax 01223 410 457 Fax 816 941 0343 Cedex FRANCE Netherlands FoD 01223 240 600 FoD 800 747 1097 Tel 800 90 84 06 Italy Gratis 06 Nummer Fax 800 90 84 12 NumeroVerde Tel 06022 11 36 FoD 800 90 23 80 FoD 1678 73600 Fax 06022 11 48 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
10. ced ce csl cia AAN AGND cid ceil cel cel cal cii cid ced 4 4 4 4 4 4 VANEG LAST ACCESSED 15 Aus 1998 Page 15 Arcom 2192 09063 000 000 J260 PCDAC 12 4 Page 16 rcom CONTROL SYSTEMS
11. disclosed without written consent ca PL2 mE RCEO DEO THE RIBBON CABLE WIRE NUMBERS START WITH RC 5 RE43 Dl THE D CONNECTOR PIN NUMBERS ON THE HO s ds PCB MOUNTED D CONNECTOR START WITH D 212 Res D16 Li RC4S e 2 0 ROAR RC45 D32 RC44 DE TS cat RC43 dirae pai hs LM7 540 E ND RE41 D4 IBMCON UB rm TRIG RC48 D14 3 Ba 1d LM7SL 15 RC39 22 Due 000 M36 a 3 ae Tono TRF1 da rn our VAPOS Bee Le CORERMB GND Se 23 28 8 is R3 cis RE3 D13 pl wi 5 REF a2 gt RC37 R 6 D29 aa 28 238 12 t 27 27 Sl 16 AGND RC3S D45 B4 ee me 11 al Fdo Rt34 D12 a Ea sE oy AN 2 Ll l cra 1 ES waa 3 carH D4 2 GND 3 RC33 D28 AO D44 B7 53d wit R43 R42 Ht IN OUT UANEG RC31 D11 a8 Se Si R37 TR11 LM 8L15 RESO D27 amp 88 5m sE T 7 21 21 cada Rao ces RES 043 A 20 za cag Rcze D10 a9 ma Rte Des a mis Ti RCPB D42 Zu mE IL Rees D9 ia TE 16 16 REPBA D25 Zu m Reed D41 LE ee 14 14 Rcz2 08 d ORD REZI D24 TOUR RC2 D4e Au mie 11 11 RE1S D AENA RE18 D23 OE 0g 09D REL D39 D Sm mete REIS DE DI m REIS D22 02 m2 REL4 038 D3 c z R13 DS D4 ale D21 D5 m IRGZ ROLL D37 05 RO 15 REGIO D4 Dr e RESET ES c89 D20 mi aGND 36 RHS COMPONENT SIDE SOLDER SIDE Beyer Da Re ois BCS D35 Ree BC4 D2 BCS D18 mis Ec2 D34 ACHD Bci Di Y UAPOS ciel ced ceg cil cal
12. ice i Ries 3 4 4 R104 RC43 varos VANEG x HZ 1 ano 23 R206 cege ree 24 Toei gt Reo 5 22 REA RC44 ICIS can PDTS4 RFA CSB UR D11 Dia DS Ds D DE DS D4 D3 D2 Di Do OUTA URA YDD AGND DGHD RFE OUTB URB VAPOS 3 R326 cag 5 eJl 1014 1 R3e5 il 4 4 R304 RCAS 21 VAPOS VANEG x 4 i VANEG HE AGND 23 R406 c4eE 24 I 5 5 Ze RCAB rcom CONTROL SYSTEMS LTD This drawing PCDAC412 PCbus 4 Channel 12 Bit DAC is the property of Arcom Control Systems Ltd and must not be copied or disclosed without written consent C 1998 Drawing No Sheet 2 of 3 a J260 LAST ACCESSED 15 Aug 1990 Arcom Page 14 2192 09063 000 000 J260 PCDAC 12 4 rcom CONTROL SYSTEMS LTD 50 WAY D SOCKET Title PCDAC412 PCbus This drawing is the property of Arcom Control Systems Ltd and must not be copied or
13. rent loop output correctly the links must be set for the corresponding DAC voltage output LK1 4A 5V range LK11 14A Uni polar output User Configuration Record Diagram Link Default User LK1 LK2 LK3 LK4 LK11 LK12 LK13 LK14 rcom Page 9 CONTROL SYSTEMS 2192 09063 000 000 J260 PCDAC 12 4 Calibration Page 10 PCDAC12 4 is accurately calibrated before leaving the factory however re calibration will be required from time to time There are six trimmers on the board which are intended for fine adjustments only To calibrate the board the test program e g PCDAC124 bas or demda124 C should be used and measurements made with a 5digit DVM or better VR5 VR6 Reference Trim VR5 10V reference adjust VR6 5V reference adjust Set one of LK1 to LK4 to the desired range Monitor the voltage at the link ref analogue OV Adjust the corresponding trimmer to give exactly 5V or 10V VR1 VR2 VR3 VR4 Channel Trim These trimmers adjust individual channels VR1 for DACO VR2 for DAC1 etc The effect at the output is to adjust full scale on a uni polar channel and to adjust the zero point for a bi polar channel Uni Polar Channel Set the jumpers for the required uni polar range Monitor the output voltage ref analogue OV Use the program to set the DAC to half scale 0800h Adjust the corresponding trimmer to give 2 50V 5V range or 5 0
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