ISO-813 - ICP DAS
Contents
1. 125 nA typical at 25 C On chip sample and hold Over voltage continuous single channel to 70Vp p Input impedance gt 1OMQ 3 3 A D Converter Type successive approximation Burr Brown ADS 774 or equirement Conversion time 8 micro second Accuracy 1 bit Resolution 12 bits ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 O 1SO813 32 channels isolated analog input card 1 3 4 Applications Signal analysis FFT amp frequency analysis Transient analysis Production test Process control Vibration analysis Energy management Industrial and lab measurement and control 1 4 Product Check List In addition to this manual the package includes the following items SO 813 multifunction card SO 813 utility diskette Attention If any of these items 1s missing or damaged contact the dealer who provides you this product Save the shipping materials and carton in case you want to ship or store the product in the future ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 6 1SO813 32 channels isolated analog input card 2 Hardware Configuration 2 1 Board Layout JP1 Input range setting JP2 Unipolar Bipolar 150 813 3000Vdc photo isolation SW 1 VO Address protection 37 pin D sub connector 32 channels analog input ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 1SO813 32 channels isolated analog input card 2 2 O Base Address Set2. Ver 1 2 Oct 2003 IPH 011 12 3 1SO813 32 channels isolated analog input card 1 Introduction 1 1 General Description The ISO 813 1s a bus type isolated 12 bit 32 channel analog input board for the PC AT compatible computer It s isolatation range is increased to 3000V and extend the application field to real industry application It is backward compatible to ACL 813 add X16 programmable gain control range 1 2 Features 12 bit A D resolution 3 000 Vdc photo isolation protection The maximum sample rate of A D converter is about 10K sample sec PC AT compatible ISA bus A D trigger mode software trigger A D data transfer mode polling 32 single ended analog inputs Software selectable input ranges Programmable gain x1 x2 x4 x8 x16 Input range Bipolar mode 10V 5V 2 5V 1 25V 0 625V 0 3125V Input range Unipolar mode 0 10V 0 5V 0 2 5V 0 1 25V 0 0 625V Bipolar Unipolar input mode by jumper selection ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 4 1SO813 32 channels isolated analog input card 1 3 Specifications 1 3 1 Power Consumption umb single power 5V 09300 mA maximum Operating temperature 0 C 50 C 9 2 Analog Inputs Channels 32 single ended 12 bit resolution isolation 3000 Vdc Input range software programmable Bipolar 10V 5V 2 5V 1 25V 0 625V 0 3125V Unipolar 0 10V 0 5V 0 2 5V 0 1 25V 0 0 625V Input current 250 nA max
3. AI 19 Al 22 140 32 AI 21 Al24 150 33 AI 23 Al 26 16 0 34 AL25 AL28 17 O V7 35 Al_27 AL30 18 36 Al29 AGND 190 37 Al 31 Note 1 AI n Analog input channel n 2 AGND Analog Ground ISO 813 AI 0 32 channel Analog input AI 1 AI n VA Analog Ground ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 16 ISO8 amp 13 32 channels isolated analog input card 3 1 Daughter Board Option The ISO 813 can be connected with many different daughter boards The function of these daughter boards are described as follows 3 1 1 DB 8325 Screw Terminal Board 37pin cable 100 200mm GRRE EEK DB 8325 wi Screw Terminal Board l l 4mm HEBRRRRERER ISO 813 220mm 3 1 2 DB 37 DN 37 general purpose screwing terminal board The DB 37 DN 371s a general purpose 37 pin connector The DB 371s direct connect to a 37 pin D sub connector the DN 37 via 37 pin d sub cable connection It is suitable for easy signal connection and measurement 37pin cable 100 200mm ISO 813 DB 37 ETT ESE TEESEL ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 7 1SO813 32 channels isolated analog input card 4 Software The ISO813 lib is a collection of data acquisition subroutines for ISO 813 These subroutines are written with C language and perform a variety of data acquisition operations These subroutines can be classified as follow It is recom
4. Before use the A D conversion function user should notice the following 1ssue 1 Makesure input range Unipolar Bipolar by JP2 10V 20V by JP1 and gain value by software setting from I O BASE ADDRESS 0x9 2 Select input channels I O BASE ADDRESS OxA Channel 0 Channel 31 Delay 10u sec 3 Trigger A D Converter I O BASE ADDRESS 0xC Delay 70u sec 4 Get A D MSB Data VO BASE ADDRESS 0x5 and maksure A D conversion ready bit is logic low Bits 4 Reading again if bit 4 1s logic high 5 Get A D LSB Data I O BASE ADDRESS 0x4 6 Conversion A D data value Ad data LSB x 256 LSB The block diagram is given below 32 channel Analog A T input Input BASE 0x9 Gain ADS 774 A D Converter 12 Bits Data BASE 0xC A D Trigger 3000Vdc Protection Phtocouple Bus isolation BASE 0xA MUX FPGA M Miis Buffers SW 1 I O Address BASE 0x4 LSB 5 I O Register AE ISA DATA BUS Nn ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 sed 5 1SO813 32 channels isolated analog input card 3 CN1 Pin Assignment The ISO 813 provides three connectors Connector 1 ALO 1 0 ALO2 2 20 AI 01 Al O4 3 i 2 21 AI 03 Al 06 4 5 Q 22 Al 05 Alos 5 23 Al_07 A 12 7 0 0 25 AL 11 Al 14 8 0 26 AI 13 AGND 9 O 27 Al 15 AGND 100 O 28 AGND Al 16 110 29 AGND AL 18 120 Y 30 AIL 17 AL20 130 31
5. trigger signal to the A D converter and check the ready bit of A D conversion If the ready bit can not be clear to zero in a fixed time this subroutine will return CheckBoardError O Syntax int 150813 Check Address int BaseAddr O Input Parameter BaseAddr base address of the board O Return Value CheckBoardError The BaseAddr does not match with the hardware setting NoError O Example 1 include ISO813 h main t if ISO813 Check Address 0x220 NoError t printf n0x220 find a card y else t printf n0x220 cannot find any card y y 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 7 8 1SO813 32 channels isolated analog input card 4 5 150813 AD SetChGain O Description This function is used to set the A D channel number gain and operation mode Syntax void ISO813 AD SetChGain int Channel int Gain Input Parameter Channel A D channel number 0 31 Gain A D gain control code 0 4 O Return Value None O Example 1 include ISO813 h main t int Gain Mode ISOS13 Initialize 0 0x220 user must define Gain Mode here for channel 0 channel 32 channel ISO813 AD SetChGainMode channel Gain delay settling time 1f needed j ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 24 1SO813 32 channels isolated analog input card 4 6 IS0813 AD PollingVar O Description This function perfor
6. 1SO813 32 channels isolated analog input card ISO 3813 User s Manual Warranty All products manufactured by ICP DAS are warranted against defective materials for a period of one year from the date of delivery to the original purchaser Warning ICP DAS assume no liability for damages consequent to the use of this product ICP DAS reserves the right to change this manual at any time without notice The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use nor for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 1998 by ICP DAS All rights are reserved Trademark The names used for identification only may be registered trademarks of their respective companies License The user can use modify and backup this software ON A single machine The user may not reproduce transfer or distribute this software or any copy in whole or in part 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 ses 1SO813 32 channels isolated analog input card Tables of Contents I LOOGENBRAL DESCRIPTION e eae adds 4 A Fe ATTIRE E to tod traut tub ott letter M e tuedubtst 4 A Ee AION cone PEO O b a E 5 LIME OWE COHSIIDILOR cd ddan RU 5 13 2 2 IOS DHT eG cer eraot a te ga mtu arate MM pea a ea te E ean an ea 5 II Gee et ee o e nee ee nent 5 TODA AP A AAA adh Bats sateen PA att M Bo II 6 L4 PRODUCT CHE
7. CK IS Tilda dias 6 2 HARDWARE CONFIGURATION cssccscdesesssocsecstessececcccdistesscdeasaetesssssteatecessn P Ze Ls BOARD LAVO Uta 7 2 2 MO BASE ADDRESS SE Nes dans 8 LI BER SE IN e Ries e and eo 9 2 3 1 JP Analog Input Range Selection A A a is 9 2 9 AP Bipolar IDOL TS LEO DASS AS 9 24 VO INE GIS TE RAN DID REISS ld 10 ZA AD AI UE BUI REST a A A ri casas 11 24 2 AFGAN Control IRCCS UCP ci eoe ated hates idee tud eoe A e AAAS 12 LAS D Multiplex Control Reetster c PRENANT MM I EE 13 ZU AMT SO VUE THIS Ser CONTO REIS TET uen a o Na 14 234 Inn A ESS E S 13 S CNI PIN ASSIGNIVEEN Brin ad O DUI DAUGHTER BOARD COPTION To e 7 3 4 4 DB 80325 Screw Terminal Board imitatio ta o ea ln an Ra Eu iade dus beta du std spes I7 3 1 2 DB 37 DN 37 general purpose screwing terminal board sss T ON PIE SNE REM cm 19 LA AS AS P 19 A e A A O aloes aes Mls ease NEL TERME CNET PUN EET RATS 19 RA OERE OANA A EEI cs A Ra m asc tendat td een que 19 2 2 C VAN GUAGE LIBRA Cd lt lolis 20 A3 IBEARY DUNGTIONS sad o o dad 21 4 3 1 R0 S0 IVA toi nidad 21 AAOS I AVED OUTO ioa TD ET 22 ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 ee 1SO813 32 channels isolated analog input card AA SOS LS CHECK ADDRESS e O Maa eds 23 AS ISO AD EN 24 A A E 25 4 4 BOSI AD POLEINGARRAY ii 26 Se CALIBRATION aa 2 Se CALIBRATION VR DESCRIPTION ita 2 DS db OUI DEOHONMED ea taste AEN I E ca E ali ales E E D eae 26 ISO 613 User s Manual
8. IBRATION push bottom Address Setting 20H 2720H Channels o Ez Gains n El E 150 813 Isolation AI Card Al DATA VB select B vni El vR2 El vas 2 3 4 HEXT CALIBRATION Single Channel Multi channels 4 Adjusting VR1 until AI DATA between 2047 and 2048 5 Press NEXT push bottom m Panell Ol xl Address Setting 220H a Channels o Gains E 150 813 Isolation 471 Card AI DATA YR zelect 2048 E El vn El vas T Al Voltage El vn4 IC em p Panell VR1 Adjusting Apply OY to AFl Channel O Adjust VH1 until Al DATA between 2047 and 27048 l ANNE Stable lso e alo e und A 1 4 8988 v Jumper Setti 20 813 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 2 ISO8 amp 13 32 channels isolated analog input card 6 Adjusting VR2 until AI DATA between 4094 and 4095 7 Press NEXT push bottom Address Setting 220H a Channels E gt Gains E 150 813 Isolation A71 Card Al DATA WA select p Panell YEZ Adqustmg Apply 4 9988 to AFl Channel 1 And Adjust A2 untill Al DATA between 4094 and 4095 l JP4 oo Stable dj AL l voltage Jumper Setti ALT a 4 3388 asa 8 Adjusting VR4 until AI DATA between 2047 and 2048 9 Press NEXT push bottom 150 813 Isolation amp 1 Card Al DATA 2048 UU 00 62 Em Panell R4 Adjusting VH select IB vni Apply OF to ASI Channel 0 Adjusting A4 until Al DATA betwe
9. ae suem deeem j define IS0813 BI 1 0x00 define IS0813 BI 2 0x01 define IS0813 BI 4 0x02 define IS0813 BI 8 0x03 define 150813 BI 160x04 define IS081 3 UNI 10x00 define ISO0813 UNI 20x01 define IS0813 UNI 40x02 define ISO0813 UNI 80x03 define IS0813 UNI 16 0x04 OMS denme tie error mulbor eee define NoError 0 define CheckBoardError 1 define TimeOutErrorOxffff define CardNumError4 ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 01 1 12 20 1SO813 32 channels isolated analog input card 4 3 Library Functions 4 3 1 150813_Initialize e Description ISOS13 Initialize initialize the ISOSI3 board This function should be called before using the other ISOS13 lib subroutines This function will detect automatically ISO813 board according to I O base address Auto detection failure will occur 1f I O base address not match with hardware DIP switch The others can perform A D operation via polling After this subroutine is executed the board which CardNo specified will be active If more than one board in a system the ISOSI3 ActiveBoard int CardNo int BaseAddr must use to switch to the active board O Syntax int ISOS13 Initialize int CradNo int BaseAddr O Input Parameter CardNo The validate card number is from 0 to 7 IOBase I O base address must match with hardware DIP switch O Return Value CheckBoardError IO base address detection error CardNumeError error in card number input
10. e 5 A D High Byte Data Format FERA CENNERE X Don t Care A D 12 bits data D11 D0 D11 MSB DO LSB READY 1 A D 12 bits data not ready 0 A D 12 bits data is ready The low 8 bits A D data are stored in address BASE 4 and the high 4 bits data are stored in address BASE 5 The READY bit is used as a indicator for A D conversion When a A D conversion is completed the READY bit will be clear to zero ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 01 1 12 1SO813 32 channels isolated analog input card 2 4 2 AID Gain Control Register X Don t Care The gain control register control the gain of A D input signal Bipolar Unipolar will effect the gain factor It is important to select the correct gain control code according to Bipolar Unipolar input ISO 813 Bipolar mode GAIN CONTROL CODE TABLE JP2 Bipolar JPISIOV JP1 20V Input Range Input Range GAIN2 GAINI o jesv kov 2 easy sv MS GAIN2 o Ll 4 isy e25V o E0 625V_ 125V_ 0 4 16 B03125 0 625 ISO 813 Unipolar mode GAIN CONTROL CODE TABLE JP2 Unipolar fs Proy JP1 20V Input Range Input Range GAIN2 GAINI 0 10V Not use 2 osv jo tov 8 J 125V o2 5V 16 j0 025V 0 125V d GAIN2 o 4 posvy osv o o 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 sel 1SO813 32 channels isolated analog input card 2 4 3 A D Multiplex Control Register This functio
11. en 2047 and 7046 l JP ell Stable Eg L l voltage Jumper Setting Ab 4 4 3988 5 81 5 ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 29 ISO813 32 channels isolated analog input card 10 The VR3 adjusting is unipolar offset you can by pass this step if using bipolar input range of your application If you are using unipolar mode shut down windows and turn off PC then take out the ISO 813 interface card and change JP2 to unipolar mode Then insert ISO 813 to isa bus slot then turn on your PC RUN DIAG813 diagnostic program Apply OV to AI channel 0 By pass VR1 VR2 VR4 calibration step if there are ready Adjust VR3 until AI DATA between 0 and 1 Address Setting 220H 7 a o masa El Gains x gt 150 813 Isolation Al Card YR select Ej Panel YES Adjusting Change JP to Unipolar mode Apply UV to AZ Channel O Adjust YR4 untill Al DATA between 0 and 1 l Stable ud le se 2 ALB voltage Jumper Setting Ali 4 39858 50 815 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 30 ISO813 32 channels isolated analog input card Diagnostic single channels This function can show one channel value El Fanell Single Channel Address 220H channels E a Al DATA Voltage Lil uP 2 0 0 3125 te Graph Display Inspect 5 1050 1100 1150 1200 time Diagnostic multi channels This fuction can show 32 channels data E Fanell Multi Channels Address ZEE g
12. ing file is ISOS13 H There are 5 different model library files ISO813S C M L H LIB support TC 2 x compiler Use text editor to create a project file include program c SO813 lib Use TC integrated environment to select the correct compiler model A NSOS 13 demo prj give some examples for compiler amp link project file 4 1 3 using BC The including file is ISOS13 H There are 5 different model library files ISO813S C M L H LIB support BC 3 x compiler Use BC integrated environment to create a project file include program c I8O813 lib Use BC integrated environment to select the correct compiler model A NSOS 13 demo pr give some examples for compiler amp link project file ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 9 1SO813 32 channels isolated analog input card 4 2 C Language Library eo SO813 H peers Declare ISOS13 Board Interface tt strstr rs int 1IS0813 ActiveBoard int BoardNo int 150813 Check Address int BaseAddr int 1IS0813 Initialize int CardNo int BaseAddr void IS0SI3 AD SetChGain int Channel int Gain unsigned int IS0813 AD PollingVar void void IS0813 AD PollingArray unsigned int Buffer unsigned int Length pres define DNOSIS relative address 9449 m mp US Dee Sob opm define AD LO 0x04 Analog to Digital Low Byte define AD HI 0x05 Analog to Digital Hiht Byte define SET GAINOx09 define SET CH OxOA define SOFT TRIG 0x0C fce define the gain mode mb S
13. ingArray Buffer DesireCount for 170 1 lt 10 i printf nBuffer d ox 1 Buffer 1 ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 26 1SO813 32 channels isolated analog input card 5 Calibration The ISO 813 is calibrated to its best state of operation For environment with large vibration recalibration is recommended Before calibrating the ISO 813 user should take care the following issue One stable voltage source 4 9988V O Diagnostic program DIAG813 for MS WINDOWS 95 MS WINDOWS 98 MS WINDOWS NT 4 0 MS WINDOWS 2000 this program included in the delivered package will guide the user to proceed the calibration Insert disk to 3 5 1 44MB floppy disk driver then RUN AADIAGSETUP EXE WOLAGGL 3 Installation Setup will install this application into the following directory which it will create on your hard disk directory and or drive type the name of the directory below If you want to install the application in a different Copy to REGIE Cancel 5 1 Calibration VR Description There are four VRs on the ISO 813 Description VRI A D Full Scale VR2 A D Offset VR3 A D Unipolar Offset VR4 JPGA Offset ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 s2 ISO8 amp 13 32 channels isolated analog input card 5 1 1 Calibration Step 1 RUN DIAG813 2 Apply OV to AI channel 0 and 4 9988V to AI channel 1 3 Press CAL
14. mended to install the ISO 813 application software to your hard disk to get the best performance Before beginning to make a backup copy of the ISO 813 application software Store the original diskette in a safe place The ISO 813 application disk includes the following files o DIAGSETUP EXE Diagnostic program for MS WINDOWS 95 MS WINDOWS 98 MS WINDOWS NT 4 0 MS WINDOWS 2000 o ISOSI3MIbISOSISS lib The small mode library for MSC TC o ISO813 Hb ISO813M lib The medium mode library for MSC TC o 80813 lb ISO813C lib The compact mode library for MSC TC o ISO813 Hb ISO813L lib The large mode library for MSC TC o S0813 lb ISO813H lib The huge mode library for MSC TC o SO813 demo The demo program 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 16 1SO813 32 channels isolated analog input card 4 1 Compiler link 4 1 1 using MSC The including file is ISOSI3 H There are 5 different mode library files ISOSI3S C M L H LIB Support MSC 6 x compiler SMALL mode compiler amp link command CL AS program c ISOS13S LIB COMPACT mode compiler amp link command CL AC program c ISO813C LIB MEDIUM mode compiler amp link command CL AM program c ISO813M LIB LARGE mode compiler amp link command CL AL program c ISOSI3L LIB HUGE mode compiler amp link command CL AH program c ISO813H LIB A ISO813 demo msc bat give some examples for compiler amp link batch file 4 1 2 using TC The includ
15. ms the A D conversion by polling O Syntax unsigned ISO813 AD PollingVar void Input Parameter None O Return Value The result of A D conversion _ If there is a timeout occurred the data will be set to Oxffff O Example 1 Hinclude ISO813 h include stdio h main 1 int channel gain mode unsigned PoliData float volt ISOS13 Initialize 0 0x220 channel 0 channel 0 gain 0 bipolar gain 1 range 5V 5V JP1 10V JP2 BI ISO813 AD SetChGainMode channel gain PollData ISO813 AD PollingVar volt float PollData 2048 0 2048 0 5 0 printf ndata xH 995 3f Vn PollData volt ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 25 1SO813 32 channels isolated analog input card 4 7 1 0813 AD PollingArray O Description This function performs the A D conversion by polling method Syntax void ISOSI3 AD PollingArray unsigned Buffer unsigned Count e Input Parameter Buffer address of buffer Count number of A D conversions O Return Value None If there is a timeout occurred the data will be set to Oxffff O Example 1 Hinclude ISOS13 h include stdio h main 1 int channel gain mode unsigned int 1 Buffer 1000 DesireCount 1000 ISOS13 Initialize 0 0x220 channel 0 channel 0 gain 0 bipolar gain 1 range 5V 5V JP1 10V JP2 BI ISOSI3 AD SetChGain channel gain ISOS13 AD Poll
16. n 1s change analog input channels WRITE Base A A D Multilexer Control Register Format ps D2 DI po A D input channel selection data 5 bits D4 D0 D4 MSB DO LSB X don t care ooo s oos 16 Ox 24 ois x0 9 0x9 17 ou 25 o9 0x02 OXLA 0x03 OXIB 0x04 0x1C 0x05 OXID 6 o 14 2 o6 30 OE r lem we s lr eur Note The ISO 813 change A I channnel and gain must be delay 10u sec BASE 0x0A BASE 0x09 Select channels Select Gains 0 31 1 2 4 8 16 A D converter Amp Delay time 10uSec 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 3 ISO8 amp 13 32 channels isolated analog input card 2 4 4 A D Software Trigger Control Register WRITE Base C A D Software Trigger Control Register Format Lx X x X dont care XXXXXXX X any 8 bits data is validate The ISO 813 A D convertion is polling mode The A D converter must be trigger when you reading each data ADS 774 J Analog PIE T O BASE 0x0C WA A D converter Software Trigger NY Settling time 70u sec PC 357 Photo couple 12 Bits Digital Data ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 4 1SO813 32 channels isolated analog input card 2 4 5 A D Conversion This section explains how to get data from the A D conversions and using I O register
17. t Channels Scan ISO 813 User s Manual Ver 1 2 Oct 2003 IPH O1 1 12 3
18. ting The ISO 813 occupies 16 consecutive locations in I O address space The base address is set by DIP switch SW1 The default address is 0x220 A9 AS A7 A6 AS A4 BEAGLE SWI BASE ADDRESS La lala du ee ee ca ae Pets ee lg Dai 3F amp 3FF OFF OFF OFF OFF OFF 5 default base address is 0x220 The PC I O port mapping is given below XT Hard Disk EE Ww EA ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 1SO813 32 channels isolated analog input card 2 3 Jumper Setting 2 3 1 JP1 Analog Input Range Selection 10V 10V pd e H 20V 20V Input Range 5V Input Range 10V Gain 1 Gain 1 MDefault setting 2 3 2 JP2 Bipolar Unipolar Selection UNI UNI e e H BI BI Bipolar mode Unipolar mode MDefault setting The input range will be change if the JP1 and JP2 in different position ane Unipolar MUX Reference 32CH A A Bipolar Reference A D Converter 20V ISO 613 User s Manual Ver 1 2 Oct 2003 IPH 011 12 9 1SO813 32 channels isolated analog input card 2 4 VO Register Address The ISO 813 occupies 16 consecutive PC I O addresses The following table lists the registers and their locations ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 01 1 12 10 1SO813 32 channels isolated analog input card 2 4 1 A D Input Buffer Register READ Base 4 A D Low Byte Data Format D7 ps Ds D4 ps p2 pi po READ Bas
19. validate numbers are from 0 to 7 ChecklIrqError error in IRQ channel number NoError O Example 1 include ISO813 h main t int CradNo 0 only one card int IOBase 0x220 The IO base address for ISO813 ISO813 Initialize CardNo lOBase board_0 is active only one card in this system so no need to call ISOSI3 ActiveBoard 0 ISO 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 2 1SO813 32 channels isolated analog input card 4 3 2 150813_ActiveBoard O Description This driver support 8 different cards in one system max The ISO813 Initialize will initialize the separate boards But only one board can be active at one time So the software should active the selected card before perform specific function The ISO813 ActiveCrad 1s used to active the desired card in the system If only one card in the system there 1s no need to use this subroutine O Syntax int ISOSI3 ActiveBoard int BoardNo e Input Parameter BoardNo The validate board number is from 0 to 7 This number 1s equal to CardNo in ISOS13 Initial CardNo O Return Value CardNumeError error in card number input validate numbersare from 0 to 7 NoError 180 813 User s Manual Ver 1 2 Oct 2003 IPH 011 12 DY 1SO813 32 channels isolated analog input card 4 4 150813 Check Address O Description This subroutine check if the I O base address is match with the board This subroutine send a software
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