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PCI-1723 User Manual

1. REF Al REF AO Ref V reference voltage index 00 10 V 01 OV 10 N A 11 10 V C 24 Summary Calibrate the range of the specific channel Step 1 BASE 14H Step 2 BASE 1EH Step 3 BASE 18H Change the range of the specific channel Step 1 BASE 14H Step 2 BASE 26H Synchronized output channel Step 1 BASE 12H Step 2 BASE 00H 0FH Step 3 BASE 20H 57 Appendix C PCI 1723 User Manual 58
2. PCI 1723 User Manual 40 18 Calibration parameter strobe x x x x x x X X X xX X X x X X x N A 1A Digital 1 O port setting i x x x x x x x X X xX X x xX X HD LD IO lo Digital I O port mode 0 0 0 0 0 0 0 0 0 0 0 0 0 0 HD LD IO lo 1C Write digital output command a D1 D1 D1 D1 D1 D1 D9 D8 D7 D6 D5 D4 D3 D2 D1 DO 5 4 3 2 1 0 Read digital input data D1 D1 D1 D1 D1 D1 DY D8 D7 D6 D5 D4 D3 D2 D1 DO 5 4 3 2 1 0 1E Write calibration command i x x x x x x x X D7 D6 D5 D4 D3 D2 D1 DO Read calibration status 0 0 0 0 0 0 0 0 D7 D6 D5 D4 D3 D2 D1 DO 41 Appendix C Table C 1 PCI 1723 register format Part 3 Base PUI 1723 Register Format Address HEX T T4 13 112111110 9 8 7 6 4 T3 20 IW Synchronized strobe H XIX X X IX X IX IX IX IX IX IX IX IR NA 22 IW Reset all D A channels strobe H IX X X X IX X IX IX IX IX IX IX IX IR NA 24 W Reset the calibration controller strobe H IX X X X IX X IX IX IX IX IX IX IX IR NA 26 W Change D A channels output type strobe H IX X IX X X X IX IX IX IX IX IX IX R N A 28 W Select the calibration Ref V H X IX X X IX
3. DA15 DAO D A channel output data DAO the least significant bit LSB of the D A data DA15 the most significant bit MSB 43 Appendix C C 4 D A ch latch data BASE 00H 0EH Table C 3 Register for D A Channels Latch Data Base Addr 19 14 13 12 11 10 DIA chan nel U latch data IDA 15 14 DA 13 DA 12 DA 11 DA 10 y iE BE s a gt Ss hM org D A chan nel 1 Tatch data 15 14 DA 13 DA 12 DA 11 DA 10 3 s BE 75 a gt S 3 ME org DIA chan nel 2 latch data 15 14 DA 13 DA 12 DA 11 DA 10 gt s BE i SB gt S VE org DIA chan nel 3 latch data 15 14 DA 13 DA 12 DA 11 DA 10 gt s BE 75 a gt a Be org D A chan nel 4 latch data IDA 15 14 DA 13 DA 12 DA 11 DA 10 3 s BE s 75 gt S 5 ME org DIA chan nel 5 latch data IDA 15 14 DA 13 DA 12 DA 11 DA 10 os gt BE 75 3 gt S 3 VE org DIA chan nel 6 latch data IDA 15 DA 14 DA 13 DA 12 DA 11 DA 10 S s BE s IE gt S 3 hM org D A chan nel 7 Tatch data IDA 15 DA 14 DA 13 DA 12 DA 11 DA 10 o s BE 75 a gt 3
4. 44 C 5 Board ID BASE 10H nennneesneneeennennnnnnnen 45 C 6 All D A Ch Synchronized Settings BASE 12H 46 C 7 All D A Ch Synchronized Status BASE 12H 46 C 8 DAC Range amp Calibration Mode BASE 14H 47 C 9 DAC Range amp Calibration Status BASE 14H 48 Cl SADC Control Command for Calibration Function BASE 16H 49 C 11 SADC Control Status for Calibration Function BASE 16H 50 C 12 Calibration Parameter Strobe BASETF18H 50 C 13 Digital I O setting BASE 1AH ee 51 C 14 Digital I O port mode BASE I AH 52 C 15 Write Digital Output Command BASE I1CH 52 C 16 Read Digital Input Data BASE 1CH 53 C 17 Write Calibration Command BASE 1EH 53 C 18 Read calibration status BASE IEH 54 C 19 Synchronized Strobe BASE 20H n se 55 C 20 Reset all D A channels strobe BASE7F22H 55 C 21 Reset the calibration controller strobe BASE 24H 56 C 22 Change D A channels output type strobe BASE 26H 56 C 23 Select the calibration Ref V BASE728H 57 C24 SUMMARY 5 rer engen E EE ER EEE OEE EE 57 PCI 1723 User Manual vi CHAPTER Introduction This chapter gives background infor mation on the PCI 1723 Sections include Features Applications Installation Guide Software Overview Device Driver Progra
5. PCI 1723 16 bit 8 ch Non lsolated Analog Output Card User Manual Copyright The documentation and the software included with this product are copy righted 2006 by Advantech Co Ltd All rights are reserved Advantech Co Ltd reserves the right to make improvements in the products described in this manual at any time without notice No part of this man ual may be reproduced copied translated or transmitted in any form or by any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reli able However Advantech Co Ltd assumes no responsibility for its use nor for any infringements of the rights of third parties which may result from its use Acknowledgements PC LabCard is a trademark of Advantech Co Ltd IBM and PC are trademarks of International Business Machines Corporation MS DOS Windows Microsoft Visual C and Visual BASIC are trademarks of Microsoft Corporation Intel and Pentium are trademarks of Intel Corpo ration Delphi and C Builder are trademarks of Inprise Corporation All other product names or trademarks are properties of their respective owners Part No 2003172300 Edition 2 Printed in Taiwan November 2011 PCI 1723 User Manual ii Product Warranty 2 years Advantech warrants to you the original purchaser that each of its prod ucts will be free from defects in materials and workmanship for two years
6. 1 0 Addr W Reset all D A channels strobe X X X IX IX IX IX IX IX IX IX IX IX IX IX IX 55 Appendix C C 21 Reset the calibration controller strobe BASE 24H Write any values to BASE 24H to reset the calibration controller Table C 20 Register for reset the calibration controller strobe ase 15 14 113 12 TTT 110 9 8 7 76 5 4 3 2 1 TO Addr W Reset the calibration controller strobe H X IX IX X X X X X IX IX IX IX IX IX IX IX C 22 Change D A channels output type strobe BASE 26H Write any values to BASE 26H to change D A channel output type Table C 21 Register for change D A channels output type strobe ase 15 14 113 112 111109 8 7 6 5 4 3 2 IT YO Addr W Change D A channels output type strobe H X IX X IX IX IX X X IX X IX X XX IX X X Note Once you want to change the range of the specific channel be sure to write the value to BASE 14H first After that write any value to this register to strobe the change PCI 1723 User Manual 56 C 23 Select the calibration Ref V BASE 28H Table C 22 Register for select the calibration Ref_V ase 1715 114 113 12 11 110 9 T8 7 6 9 4 3 2 1 IO Addr W Select the calibration Ref V H X IX X X X X IX IX IX IX IX IX IX IX
7. 6 5 4 3 2 1 0 R D A channel 1 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 9 8 7 6 5 4 3 2 1 0 04 W D A channel 2 output data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 113 12 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 2 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 9 8 7 6 5 4 3 2 1 0 06 W D A channel 3 output data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 3 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 14 113 12 11 10 9 8 7 6 5 4 3 2 1 0 08 W D A channel 4 output data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 4 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 1144 13 12 11 10 9 8 7 6 5 4 3 2 1 0 OA W D A channel 5 output data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 113 12 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 5 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 1144 113 12 11 10
8. 9 8 7 6 5 4 3 2 1 0 39 Appendix C Table C 1 PCI 1723 Register Format 0C W D A channel 6 output data H DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 6 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 1144 113 12 11 10 9 8 7 6 5 4 3 2 1 0 OE W D A channel 7 output data H DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 14 113 112 11 10 9 8 7 6 5 4 3 2 1 0 R D A channel 7 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 14 13 112 11 10 19 8 7 6 5 4 3 2 1 0 10 Wi N A H R Board ID 12 W All D A channels synchronized setting x x x x x x x X X X X x X X X SY R All D A channels synchronized status 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SY 14 W DAC range and calibration mode H x x x x x x x SE X X R1 RO O C CHIC R DAC range and calibration status BU INI X x x x x SE ID ID R1 RO O C CH IC SY T LF X1 X0 H2 1 HO 16 W SADC control command for calibration function x x x x x x x X X X X x x CS DA CL R SADC control status for calibration function x x x x x x x X X X X x x CS DA CL
9. Card and a photocopy proof of purchase date such as your sales receipt in a shippable container A product returned without proof of the purchase date is not eligible for war ranty service 5 _ Write the RMA number visibly on the outside of the package and ship it prepaid to your dealer iii CE This product has passed the CE test for environmental specifications when shielded cables are used for external wiring We recommend the use of shielded cables This kind of cable is available from Advantech Please contact your local supplier for ordering information Technical Support and Assistance Step 1 Visit the Advantech web site at www advantech com support where you can find the latest information about the product Step 2 Contact your distributor sales representative or Advantech s cus tomer service center for technical support if you need additional assistance Please have the following information ready before you call Product name and serial number Description of your peripheral attachments Description of your software operating system version appli cation software etc A complete description of the problem The exact wording of any error messages Packing List Before setting up the system check that the items listed below are included and in good condition If any item does not accord with the table please contact your dealer immediately Before you install your PCI 1723 card please make sur
10. ME org DA15 DAO D A channel latch data DAO the least significant bit LSB of the D A data DA15 the most significant bit MSB PCI 1723 User Manual 44 C 5 Board ID BASE 10H The PCI 1723 offers Board ID register BASE 10H With correct Board ID settings users can easily identify and access each card during hard ware configuration and software programming Table C 4 Register for Board ID ase 15 114 113 12 TTT 110 9 18 7 6 5 4 73 2 VT TO Addr R Board ID H IU IU IU IU IU IO T0 0 lU IU IU lU TBDIBDIBDIBD 3 2 1 Jo BD3 DBO Board ID BDO LSB of the Board ID BD3 MSB of the Board ID BD3 BD2 BD1 BDO Board ID Ki 1 1 1 15 1 1 1 U 14 ki 1 U 1 13 1 1 U U 12 1 U 1 1 TI 1 U 1 U TO 1 U U 1 9 1 U U U 8 0 1 1 1 7 0 1 1 U 6 0 1 U 1 5 0 7 0 0 4 IU 0 1 1 3 0 0 1 U 2 IU U U 1 1 0 0 0 0 0 45 Appendix C C 6 All D A Ch Synchronized Settings BASE 12H The PCI 1723 provides an innovate function in which all D A channels can output their data in synchronization Table C 5 Register for all D A channels synchronized setting ase 115 14 13 T12 11 110 9 8 7 6 75 4 73 72 TT TO Addr W All D A channels synchronized setting H X IX X IX X X IX X IX IX X IX IX IX IX
11. Manual is available by accessing the following path Start Programs Advantech Device Drivers V2 0 Device Drivers Manual PCI 1723 User Manual 14 2 3 Hardware Installation Make sure you have installed the driver first before you install the card please refer to 2 2 Driver Jnstallation After the Device Drivers installation is completed you can then install the PCI 1723 card into any PCI slot on your computer However it is sug gested that you refer to the computer user s manual or related documenta tion if you have any doubt Please follow the steps below to install the card onto your system 1 Note Turn off your computer and unplug the power cord and cables TURN OFF your computer before installing or removing any com ponents on the computer Remove the cover of your computer Remove the slot cover on the back panel of your computer Touch the metal part on the surface of your computer to neutralize the static electricity that might be on your body Insert the PCI 1723 card into a PCI slot Hold the card only by its edges and carefully align it with the slot Insert the card firmly into place Use of excessive force must be avoided otherwise the card might be damaged Fasten the bracket of the PCI card on the back panel rail of the computer with screws Connect appropriate accessories 68 pin cable wiring terminals etc if necessary to the PCI card Replace the cover of your computer chassis Re connect t
12. cess The Advantech Device Drivers Setup program for the PCI 1723 card is included in the companion CD ROM that is shipped with your DA amp C card package Please follow the steps below to install the driver software Step 1 Insert the companion CD ROM into your CD ROM drive Step 2 The Setup program will be launched automatically if you have the autoplay function enabled on your system When the Setup Program is launched you will see the following Setup Screen ADVANTECH Device Driver V2 0 In Device Manager Latest device drivers help to optimize the Individual Drivers performance of Advantech device Examples amp Utilities Figure 2 1 Advantech Automation Software Setup 13 Chapter 2 Note If the autoplay function is not enabled on your com puter use Windows Explorer or Windows Run com mand to execute SETUP EXE on the companion CD ROM Step 3 Select the Device Drivers option Step 4 Select the specific device then just follow the installation instruc tions step by step to complete your device driver installation and setup AD ANTECH Device Driver V2 0 Inst LT PR PCI 1720 17 l PClA721 PCI 1734 Pr 1750 PCl 1751 PCI 1710 PCI 1712L PCI 1752 PCI 1710L PCI 1716 PCI 1753 E PCI 1710HG PCI 1716L PCI 1754 PCI 1710HGL PCI 1731 PCI 1240 PCI 1784 Full Installation Others Figure 2 2 Options for Driver Setup For further information on driver related issues an online version of the Device Drivers
13. from the date of purchase This warranty does not apply to any products which have been repaired or altered by persons other than repair personnel authorized by Advantech or which have been subject to misuse abuse accident or improper instal lation Advantech assumes no liability under the terms of this warranty as a conseguence of such events Because of Advantech s high guality control standards and rigorous test ing most of our customers never need to use our repair service If an Advantech product is defective it will be repaired or replaced at no charge during the warranty period For out of warranty repairs you will be billed according to the cost of replacement materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encountered For example CPU speed Advantech products used other hardware and software used etc Note anything abnormal and list any on screen messages you get when the problem occurs 2 _ Call your dealer and describe the problem Please have your man ual product and any helpful information readily available 3 _ If your product is diagnosed as defective obtain an RMA return merchandize authorization number from your dealer This allows us to process your return more guickly 4 Carefully pack the defective product a fully completed Repair and Replacement Order
14. fulfill your flexible range needed applications Users can define the specific voltage output range and output data format via the enclosed software utility and driver Keeping Output Values After System Reset Users can independently set the eight outputs to different ranges 10 V 0 20 mA or 4 20 mA and all ranges are software selectable When the system is hot reset power not shut down the PCI 1723 can either retain the last analog output values or return to its default configuration depending on the jumper setting This practical function eliminates dan ger caused by improper operation during unexpected system reset Board ID The PCI 1723 has a built in DIP Switch that helps define each card s ID when multiple PCI 1723 cards have been installed on the same PC chas sis The board ID setting function is very useful when users build their system with multiple PCI 1723 cards With correct Board ID settings you can easily identify and access each card during hardware configura tion and software programming Note For detailed specifications of the PCI 1723 please refer to Appendix A Specifications 1 2 Applications Process control Programmable voltage source Programmable current sink e Servo control Multiple loop PID control 3 Chapter 1 1 3 Installation Guide Before you install your PCI 1723 card please make sure you have the following necessary components PCI 1723 DA amp C card PCI
15. specially designed for PCI 1723 cards to provide high resistance to noise To achieve a better signal quality the signal wires are twisted in such a way as to form a twisted pair cable reducing cross talk and noise from other signal sources Furthermore its analog and digital lines are separately sheathed and shielded to neutralize EMI EMC problems Wiring Board ADAM 3968 The ADAM 3968 is a 68 pin SCSI wiring terminal module for DIN rail mounting This terminal module can be readily connected to the Advan tech PC Lab cards and allow easy yet reliable access to individual pin connections for the PCI 1723 card 9 Chapter 1 PCI 1723 User Manual 10 CHAPTER Installation This chapter gives users a package item checklist proper instructions for unpacking and step by step procedures for both driver and card installation Sections include Unpacking Driver Installation Hardware Installation e Device Setup and Configuration Chapter 2 Installation 2 1 Unpacking After receiving your PCI 1723 package please inspect its contents first The package should contain the following items PCI 1723 card Companion CD ROM Device Drivers included User Manual The PCI 1723 card harbors certain electronic components vulnerable to electrostatic discharge ESD ESD can easily damage the integrated cir cuits and certain components if preventive measures are ignored Before removing the card from the antis
16. strobe the parameters into EEPROM 53 Appendix C C 18 Read calibration status BASE 1EH Table C 17 Register for read calibration status ase 15 14 113 112 111 110 9 8 7 6 75 A 73 Addr R Read calibration status H 9712779 10 010 19 0 0 7 D6 D5 D4 D3 D7 DO Calibration result data DO the least significant bit LSB of the data D7 the most significant bit MSB PCI 1723 User Manual 54 C 19 Synchronized Strobe BASE 20H Write any values to BASE 20H to synchronize all D A channels Table C 18 Register for synchronized strobe ase 115 114 113 112 111 110 9 8 7 6 4 73 2 TT JO Addr W Synchronized strobe H X IX IX X IX IX IX IX X IX IX IX IX IX IX IX Note Be sure to enable the synchronize function by writing the value to BASE 12H first Next write the specific data into BASE 00H OFH Lastly write any value to this register to synchronize all D A channels On the other hand it you did not enable the synchro nize function by writing the value to BASE 12H first all the specific data which was written to BASE 00H OFH will be output immediately C 20 Reset all D A channels strobe BASE 22H Write any values to BASE 22H to reset all D A channels Table C 19 Register for reset all D A channels strobe ase 115 114 113 112 11 0 9 8 7 6 5 4 3 2
17. 1723 User s Manual Advantech DLL drivers Included in the companion CD ROM Wiring cable PCL 10168 option Wiring board ADAM 3968 option Personal computer or workstation with a PCI bus slot running Win dows 2000 95 98 NT ME XP Some other optional components are also available for enhanced opera tion such as application software ActiveDAQ GeniDAQ and other third party software packages After you get the necessary components and maybe some of the accesso ries for enhanced operation of your Multifunction card you can then begin the installation procedure Figure 1 1 on the next page provides a concise flow chart to give users a broad picture of the software and hard ware installation procedures PCI 1723 User Manual 4 Install Driver from CD ROM then power off PC Install Hardware and power on PC Use driver utility to configure hardware Use test utility to test hardware Read examples amp driver manual Start to wri te your own application Figure 1 1 Installation Flow Chart 5 Chapter 1 1 4 Software Overview Advantech offers a rich set of DLL drivers third party driver support and application software to help fully exploit the functions of your PCI 1723 card Device Drivers on the companion CD ROM LabVIEW driver Advantech ActiveDAQ Advantech GeniDAO Programming choices for DA amp C cards You may use Advantech applica tion software such as Advantech Device Drivers On the
18. JSY NC SYNC D A channels output synchronous 0 Disable all D A channels output directly 1 Enable Note Be sure to enable the synchronize function by writing the value to this register first Next write the specific data into BASE 00H OFH Lastly write any value to BASE 12H to synchronize all D A channels On the other hand it you did not enable the synchronize function by writ ing the value to this register first all the specific data which was written to BASE 00H OFH will be output immediately C 7 All D A Ch Synchronized Status BASE 12H Table C 6 Register for All D A Channels Synchronized Status ase 115 14 13 12 TTT j10 9 B 7 J6 75 4 3 72 IT TO Addr R All D A channels synchronized status H jo jo IU IU IU IU IU Up o JO JO TSY SYNC D A channels output synchronous 0 Disable all D A channels output directly 1 Enable PCI 1723 User Manual 46 C 8 DAC Range amp Calibration Mode BASE 14H Table C 7 Register for DAC Range and Calibration Mode ase 15 Addr W 13 712 717 TI0 9 T8 7 6 I gt 4 73 2 IO DAU range and calibration mode X IX IX IX IX JSE IX IX R1 RO TO_ TCHTCH CH LF G 2 0 CH2 CHO Select D A channel 000 001 010 011 100 101 110 111 OG 0 1 Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channe
19. Platform Partner Rta WWW YH INDY bine tm Device Manager m Installed Devices My Computer Setup Test Remove Supported Devices 38 Advantech PCI 1713 3 Advantech PCI 1716 3 Advantech PCI 1720 3 Advantech PCI 1721 g About Advantech PCI 1723 lt Advantech PCI 1730 38 Advantech PCI 1733 23 Advantech PCI 1734 238 Advantech PCI 1750 H ME hdmi DDI 17F1 RE El Figure 2 4 Device Manager Dialog Box 17 Chapter 2 3 Scroll down the List of Devices box to find the device that you wish to install then click the Add button to evoke the Device s found dialog box such as one shown in Fig 2 5 The Device s found dialog box lists all the installed devices on your system Select the device you want to configure from the list box and press the OK button After you have clicked OK you will see a Device Setting dialog box such as the one in Fig 2 6 Advantech PCI 1723 device s found x List below is how many PCI 1723 cards on MotherBoard Please select one from listing Device PC ardlD 15 _ IAU BSODH IRO 10 Figure 2 5 Device s Found Dialog Box 2 4 2 Configuring the Device 4 _ On the Device Setting dialog box Fig 2 6 you can configure the voltage output range for the 8 D A channels Base Address Hex Interrupt 10 m D A Voltage Reference gt DIO Configuration Channel 10 10 x Channel 1 10 1 Low byte v Channel 2 joniw Channel3 10 10 x Hi
20. X IX IX IX IX IX IX IX TA TM 7 o Il PCI 1723 User Manual 42 C 3 D A ch output data BASE 00H 0EH Table C 2 Register for D A Channels Output Data Base 15 714 773 T12 TTT 710 79 8 7 6 5 4 3 2 IT 7 Addr 00 TW D A channel O output data H DAID DAD DADA DD E E E ME 15 JA1 13 A1 11 110 JA A8 4 2 9 02 W D A channel 1 output data H DAD IDAID DA DAJD D JDA 15 JA1 13 lA1 11 10 A A8 4 2 9 E E E ME N 04 W D A channel 2 output data H DAD TDATD TDATDATD D JDA 15 A1 13 A1 111 110 A A8 4 2 9 EE ME N 06 W TD A channel 3 output data H DAD TDATD TDATDATD D JDA 15 A1 13 A1 111 110 A A8 2 9 og ME N 4 108 W D A channel 4 output data H DAD DAD DA DAJD D JDA 15 A1 13 lA1 11 10 A A8 4 2 9 E E E ME N JOA W D A Channel 5 output data H IDATD TDATD TDATDATD D JDA 15 A1 13 A1 11 10 A A8 4 2 9 E 5 ME N JOC W D A channel 6 output data H DAD TDATD TDATDATD D JDA 15 A1 13 A1 111 10 A A8 4 2 9 E E E ME N DE W D A channel 7 output data H DAD DAID DA DAJD D JDA 15 A1 13 lA1 11 10 A A8 4 2 9 EE ME N
21. ame on the List of Devices Box 19 Signal Connections ses 22 Overview HY ie dy uk Geese 22 Switch and Jumper Settings Wu u u u dseneserrererrrrrrrreernee 22 Figure 3 1 Card Connector Jumper amp Switches 22 32 1 JR wn GG Yw ddn DD trans 23 32 2 JPII PS i Sei GN GT Wn gi 23 3 2 3 Setting the Time to Reset Analog Outputs 23 3 2 4 Board ID setting ccc ceeeesseeceeceeceeeeeeceeceeceeceaeeaes 24 Signal Connections cuneesensenseensernenneenne nennen nennen 3 3 1 Pin Assignment Figure 3 2 1 0 Connector Pin Assignments 3 3 2 VO Connector Signal Descriptions wo Table 3 1 1 0 Connector Signal Descriptions Y 3 3 3 Analog Output Connection u sessese renerne Figure 3 3 Analog Output Connections Figure 3 4 Current Mode Diagram sscceeernrreee Field Wiring Considerations Specifications innen Analog Output nn 32 Digital Input Output us ene nnion 32 v Table of Contents A3 Appendix B Appendix C Generali FWY OU 33 Block Diagram ss 36 Register Structure amp Format 38 CL Overview i y eg dg 38 C 2 I O Port Address Map cccseessesseeseeseeeseesecsseeecesenseens 38 Table C 1 PCI 1723 Register Format 39 C 3 D A ch output data BASE 00H OEH 0 43 C 4 D A ch latch data BASE 00H 0EH
22. arameter strobe a X IX X IX X X IX X IX X IX IX IX IX IX IX PCI 1723 User Manual 50 Note If you want to calibrate the range of the specific channel be sure to write the value to BASE 14H first Next write the data to BASE 1EH for calibration purposes Lastly write the value to this register to strobe the parameters into EEPROM C 13 Digital I O setting BASE 1AH Table C 12 Register for digital I O port setting ase 1715 114 113 12 11 110 9 8 7 6 5 74 73 72 T JO Addr Digital 1 0 port setting H X IX IX IX X X X IX X X IX IX IX X HDILDI IO O LDIO Setting the Low byte DIO port 0 Output 1 Input HDIO Setting the High byte DIO port 0 Output 1 Input Note The port that is setup as output supports read back function The port that setup as input supports mask function Above registries must be accessed by one word at a time 51 Appendix C C 14 Digital I O port mode BASE 1AH Table C 13 Register for digital O port modes ase 15 J14 7173 12 11 T10 9 8 7 T6 4 T TO Addr R Digital 1 0 port mode H 0 10 10 0 00 0 0 1010 0 HDTLDI IO JO LDIO Status of the Low byte DIO port 0 Output 1 Input HDIO Status of the High byte DIO port 0 Output 1 Input C 15 Write Digital Output Comma
23. by the gual ity of the cable In order to ensure better signal guality we recommend that you use the PCL 10168 shielded cable 29 Chapter 3 PCI 1723 User Manual 30 APPENDIX Specifications This appendix provides information on the specifications of PCI 1723 Sections include Analog Output Digital Input Output General Appendix A Specifications A 1 Analog Output Channels 8 Resolution 16 bit Operation mode Single output Synchronized output Output Range 10 10 V 0 20 mA 4 20 mA Internal Reference only Driving Capability 5 mA Accuracy Relative 6 LSB Differential 6 LSB monotonic Non linearity Offset lt 6 LSB Output Impedance 0 1 max Throughput PC dependent Software update direct AO Settling time 50 us to 6 LSB of FSR A 2 Digital Input Output Input Channels 16 bi directional Number of ports 2 Input Voltage Low 0 8 V max High 2 0 V min Output Voltage Low 0 5 V max 24 mA sink High 2 0 V min 15 mA source PCI 1723 User Manual 32 A 3 General I O Connector Type 68 pin SCSI II female Dimensions 175 x 100 mm 6 9 x 3 9 Power Typical 5 V 850 mA 12 V 600 mA Consumption Max 5 V 1 A 12 V 700 mA Temperature Operation 0 60 C 32 158 F refer to IEC 68 2 1 2 Storage 20 85 C 4 185 F Relative Humidity 5 95 RH non
24. condensing refer to IEC 68 2 3 Certifications CE certified 33 Appendix A PCI 1723 User Manual 34 APPENDIX Block Diagram This appendix shows the block diagram for PCI 1723 Appendix B Block Diagram ae 9 ee PCI Interface PCI Bus PCI 1723 User Manual Local Bus Auto Calibration Circuit 36 Bi ma And Latched 8 DIO 7 0 gt Bits DIO Bidirectional And Latched8 DIO 15 8 Bits DIO lout 0 gt 16Bit DACO Vout 0 e lout 1 16Bit DAC1 Vout 1 lout 2 16Bit DAC2 Vout 2 lout 3 16Bit DAC3 Vout 3 loi4 16Bit DAC 4 Vout 4 lout 5 16Bit DAC 5 Vout 5 lout 6 16 Bit DAC6 Vout 6 lout 7 16Bit DAC 7 e Vout 7 gt APPENDIX Register Structure amp Format This chapter provides information on the system settings of UNO 2052 Sections include Board Connectors and Jumpers RS 232 Standard Serial Port CAN Serial Port Ethernet RJ 45 Connector Phoenix Power Connector PWR PS 2 Keyboard and Mouse Connector USB Connector VGA Display Connector CompactFlash Master Slave Jumper Setting Appendix C Register Structure amp Format C 1 Overview The PCI 1723 is delivered with an easy to use 32 bit Device Drivers for user programming under the Windows 2000 95 98 NT ME XP operating system We a
25. d and configured you can click the Test button to test your hardware by using the testing utility supplied For more detailed information please refer to Chapter 2 of the Device Drivers Manual You can also find examples on the CD ROM to speed up your program ming PCI 1723 User Manual 20 CHAPTER Signal Connections This chapter gives an overview of the signal connections of PCI 1723 Sections include Overview Switch and Jumper Settings Signal Connections Field Wiring Considerations Chapter 3 Signal Connections 3 1 Overview Maintaining signal connections is one of the most important factors in ensuring that your application system is sending and receiving data cor rectly A good signal connection can avoid unnecessary and costly dam age to your PC and other hardware devices This chapter provides useful information about how to connect input and output signals to the PCI 1723 via the I O connector 3 2 Switch and Jumper Settings The PCI 1723 card has one function switch and five jumper settings oc PCI 1723 Be WR VET Te P9 Id Figure 3 1 Card Connector Jumper amp Switches PCI 1723 User Manual 22 3 2 1 JP9 Keep last status after hot reset Default configuration af 3 2 2 JP1 JP8 4 20 mA 0 20 mA 3 2 3 Setting the Time to Reset Analog Outputs Some users will want the capability of clearing each a
26. dvise users to program the PCI 1723 using the 32 bit Device Drivers provided by Advantech to avoid the complexity of low level reg istry programming The most important consideration in programming the PCI 1723 the reg ister level is to understand the function of the card s registers The infor mation in the following sections is provided only for users who would like to do their own low level programming C 2 I O Port Address Map The PCI 1723 requires 32 consecutive addresses in the PC s I O space The address of each register is specified as an offset from the card s base address For example BASE 0 is the card s base address and BASE 7 is the base address plus seven bytes Table C 1 shows the function of each register of the PCI 1723 or driver and its address relative to the card s base address PCI 1723 User Manual 38 Table C 1 PCI 1723 Register Format Base PCI 1723 Register Format Adr HEX 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 00 W D A channel 0 output data H DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 13 12 11 10 19 8 7 6 5 4 3 2 1 0 R D A channel 0 latch data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 1144 113 12 11 10 9 8 7 6 5 4 3 2 1 0 02 W D A channel 1 output data DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA DA 15 114 113 12 11 10 9 8 7
27. e Drivers Function Library Advantech Device Drivers offer a rich function library that can be utilized in various application programs This function library consists of numer ous APIs that support many development tools such as Visual C Visual Basic Delphi and C Builder According to their specific functions or services the APIs can be catego rized into several function groups Analog Output Function Group Digital Input Output Function Group Counter Function Group Port Function Group direct I O Event Function Group For the usage and parameters of each function please refer to the Func tion Overview chapter in the Device Drivers Manual Troubleshooting Device Drivers Error Driver functions will return a status code when they are called to perform a certain task for the application When a function returns a code that is not zero it means the function has failed to perform its designated func tion To troubleshoot the Device Drivers error you can pass the error code to DRV GetErrorMessage function to return the error message Alternatively you can refer to the Device Drivers Error Codes Appendix in the Device Drivers Manual for a detailed listing of Error Codes Error IDs and the Error Messages PCI 1723 User Manual 8 1 6 Accessories Advantech offers a complete set of accessory products to support the PCI 1723 card These accessories include Wiring Cable PCL 10168 The PCL 10168 shielded cable is
28. e you have the following necessary components PCI 1723 DA amp C card PCI 1723 User s Manual Advantech DLL drivers Included in the companion CD ROM Wiring cable PCL 10168 option Wiring board ADAM 3968 option Personal computer or workstation with a PCI bus slot running Win dows 2000 95 98 NT ME XP PCI 1723 User Manual iv Chapter 4 5 6 Chapter 2 1 2 2 4 Chapter Ne w 3 3 3 4 Appendix A A l A2 Contents Introduction ccccccscsccccccccscsssssccscccscescesesees 2 Features 2 Applications 3 Installation Guide 4 Figure 1 1 Installation Flow Chart see 5 Software OVer view 6 Device Driver Programming Roadmap nene 7 ACCESSOTIES Ay nan a ene ears o 9 Tnsialla tion uii yd di wadn 12 Unpacking ssh nee 12 Driver Installation enen e LWY eleva 13 Figure 2 1 Advantech Automation Software Setup 13 Figure 2 2 Options for Driver Setup e 99 Hardware Installation Figure 2 3 Device Name on Device Manager Device Setup and Configuration s s sseseseeeesseseese atts 2 4 1 Setting Up the Device oo cece eeceecseceeceeceeeseeeeseeneens Figure 2 4 Device Manager Dialog Box Figure 2 5 Device s Found Dialog Box 2 4 2 Configuring the Device W u u cscecerererrnneee i Figure 2 6 Device Setting Dialog Box Figure 2 7 Device N
29. e your device name listed on it but marked with an exclamation sign it means your card has not been correctly installed In this case remove the card device from the Device Manager by selecting its device name and press the Remove button Then go through the driver installation process again After your card is properly installed on your system you can now config ure your device using the Advantech Device Manager Program that has itself already been installed on your system during driver setup A com plete device installation procedure should include device setup configu ration and testing The following sections will guide you through the Setup Configuration and Testing of your device PCI 1723 User Manual 16 2 4 Device Setup and Configuration The Advantech Device Manager program is a utility that allows you to set up configure and test your device and later stores your settings on the system registry These settings will be used when you call the APIs of Advantech Device Drivers 2 4 1 Setting Up the Device 1 To install the I O device for your card you must first run the Device Installation program by accessing Start Programs Advantech Device Driver V2 0 You can then view the device s already installed on your system if any on the Installed Devices list box Since you have not installed any device yet you might see a blank list such as the one below Fig 2 4 Device Manager Y1 5 0 0 ap x Your e
30. ers 11 N A C 10 SADC Control Command for Calibration Func tion BASE 16H The PCI 1723 uses SADC serial analog to digital converter for the cali bration function Please refer to the Burr Brown ADS7822 data sheet for the chipset detailed information CD ROM Documents Component Specification ADS7822 PDF Table C 9 Register for SADC control command for calibration function ase 1715 J14 113 112 TIT 110 9 B 7 6 5 4 3 72 1 D Addr W SADC control command for calibration function H X IX X X X IX X IX IX X IX IX IX CS DA CL T IK CS SADC chip select active low 49 Appendix C DAT SADC serial data CLK SADC clock C 11 SADC Control Status for Calibration Function BASE 16H Table C 10 Register for SADC control for calibration function ase 15 114 113 12 11 110 9 8 7 6 I 4 73 2 1 JO Addr l R SADC control status for calibration function H X X X X X X IX IX IX IX IX IX IX CSIDAICL T IK CS SADC chip select active low DAT SADC serial data CLK SADC clock C 12 Calibration Parameter Strobe BASE 18H Write any values to BASE 18H after finishing the calibration procedure to save all the D A channels parameters into the EEPROM Table C 11 Register for calibration parameter strobe ase 175 14 113 112 111 110 9 8 7 6 5 4 3 2 1 0 Addr W Calibration p
31. ghbyte OUT Channel4 10 10 x Channels 10 10 x Channels 10 10 x Cancel Channel 7 10 10v z About Help Figure 2 6 Device Setting Dialog Box PCI 1723 User Manual 18 When selected as External the external reference voltage determines the output voltage range in the following way By inputting an external refer ence voltage xV where x lt 10 you will get a output voltage range 0 to xV 5 _ After you have finished configuring the device click OK and the device name will appear in the Installed Devices box as seen below Device Manager V1 5 0 0 BBE Your ePlatform Partner IND bite me Device Manager K r Installed Devices aB My Computer 000 lt PCI 1723 Setup BoardiID 15 1 0 6500H Test Remove Supported Devices 3 Advantech PCI 1713 3 Advantech PCI 1716 3 Advantech PCI 1720 38 Advantech PCI 1721 Advantech PCI 1723 lt Advantech PCI 1730 3 Advantech PCI 1733 38 Advantech PCI 1734 38 Advantech PCI 1750 H ME hdi DDI 17F1 te Hikke Figure 2 7 Device Name on the List of Devices Box Note As we have noted the device name 000 PCI 1723 BoardID 0 I O 6500H begins with a device number 000 which is specifically assigned to each card The device number is passed to the driver to specify which device you wish to control 19 Chapter 2 After your card is properly installe
32. hannels 0 through 3 lout lt 0 3 gt AGND Output Current Output Channels 0 through 3 AGND Analog Ground The two ground refer ences AGND and DGND are con nected together on the PCI 1723 card DI0 lt 0 15 gt DGND Digital Input Output signals These pins are digital input Output channel 0 to 15 DGND Digital Ground The two ground refer ences AGND and DGND are con nected together on the PCI 1723 card 12V DGND Output 12 VDC Source from PCI bus directly with FUSE protection 5V DGND Output 5 VDC Source from PCI bus directly with FUSE protection PCI 1723 User Manual 26 3 3 3 Analog Output Connection The PCI 1723 provides eight D A output channels Vout_0 Vout_7 and Iout_0 lout 7 Voltage Mode Figure 3 3 shows how to make analog output and external reference input connections on the PCI 1723 Local Bus Figure 3 3 Voltage Mode Connections 27 Chapter 3 Current Mode Sink type Caution The external voltage should be under 30 V Ri Internal resistor 249 ohm Vext External voltage Isink The controlled current output 0 20 mA Since Isink Vext Ri RL RL cannot be higher than Vext Imax Ri For Example Vext 24 V Imax 20 mA RL max 24 V 20 mA 249 951 ohm Data Bus i N D An ee Ri AGND Isink_n 4J WN w Internal Figure 3 4 Current Mode Connection PCI 1723 User Man
33. he cables you removed in step 2 Plug in the power cord and turn on the computer In case you installed the card without installing the Device Drivers first Windows 95 98 ME will recog nize your card as an unknown device after rebooting and will prompt you to provide the nec essary driver You should ignore the prompting messages just click the Cancel button and set up the driver according to the steps described in 2 2 Driver Installation 15 Chapter 2 After the PCI 1723 card is installed you can verify whether it is properly installed on your system in the Device Manager 1 Access the Device Manager through Control Panel System Device Manager 2 The device name of the PCI 1723 should be listed on the Device Manager tab on the System Property Page System Properties 21x General Device Manager Hardware Profiles Performance View devices by type View devices by connection Computer Ely AdvantechDAD Md Advantech PCl 1723 4 CDROM H Disk drives EH O Display adapters H Floppy disk controllers H 6 Hard disk controllers HE Keyboard F Monitors H Mouse 4 Network adapters oy Ports COM amp LPT m System devices Universal Serial Bus controllers Properties Refresh Remove Print E88 Figure 2 3 Device Name on Device Manager If your card is properly installed you should see the device name of your card listed on the Device Manager tab If you do se
34. l 7 Calibrate gain or offset Gain Offset R1 RO Select D A range 00 01 10 11 SELF 10V N A 0 20mA 4 20mA Select normal or self system calibration Normal calibration Self system offset calibration 47 Appendix C Note Once you want to change the range of the specific channel be sure to write the value to this register first After that write any value to BASE 26H to strobe the change C 9 DAC Range amp Calibration Status BASE 14H Table C 8 Register for DAC range and calibration status ase 15 14713112 11110 9 8 7 6 5 4 73 72 Addr 4 R DAC range and Calibration status H BU TNT IX IX IX IX IX TSE ND JID RT RO JO_ CHICHICH SY T LF X1 x0 G 2 11 O CH2 CHO Select D A channel 000 Channel 0 001 Channel 1 010 Channel 2 011 Channel 3 100 Channel 4 101 Channel 5 110 Channel 6 111 Channel 7 OG Calibrate gain or offset 0 Gain 1 Offset R1 RO Select D A range 00 10V 01 N A PCI 1723 User Manual 48 10 0 20mA 11 4 20 mA SELF Select normal or self system calibration 0 Normal calibration 1 Self system offset calibration INIT Initial the calibration controller 0 Idle 1 Processing BUSY Calibration controller busy flag 0 Idle 1 Busy IDX1 IDX0 Calibration procedure index 00 Read Write calibration status 01 Write calibration parameter 10 Change D A channels output type and reload the paramet
35. mming Road map Accessories Chapter 1 Introduction Thank you for buying the Advantech PCI 1723 The PCI 1723 is a non isolated multiple channels analog output card for PCI bus and each ana log output channel is equipped with a 16 bit double buffered DAC It features an auto calibration function and Board ID The PCI 1723 is an ideal solution for industrial applications where multi ple analog output channels are required The following sections of this chapter will provide further information about features of the multifunction cards a Quick Start for installation together with some brief information on software and accessories for the PCI 1723 card 1 1 Features Auto calibration function A 16 bit DAC is equipped for each of the analog output channels Flexible output range 10 V 0 20 mA 4 20 mA Synchronized output function Output values kept after system hot reset 2 port 16 channel user defined digital input output Board ID The Advantech PCI 1723 offers the following main features Auto Calibration Function The PCI 1723 provides an auto calibration function by using a calibra tion utility The built in calibration circuitry of the PCI 1723 corrects gain and offset errors in analog output channels thereby eliminating the need for external eguipment and user adjustments PCI 1723 User Manual 2 Flexible Voltage Output Range The PCI 1723 provides a fixed voltage output range of 9710 V to
36. nalog output when the system or PC issues a reset signal on the PCI bus Some users will want to clear their analog output only as part of system power on The PCI 1723 satisfies both these needs by providing jumper JP 1 Depending on the application this capability may allow analog outputs to be ZERO without requiring a complete shutdown of processes con trolled by the card Complete loss of power to the chip clears the chip memory Thus no mat ter how JP1 is set if the power to the PCI 1723 is disconnected the ana log output initial power on state will be ZERO 23 Chapter 3 3 2 4 Board ID setting Board ID 10 11 12 13 14 15 IDO ID1 ID2 ID3 Note On 1 Off 0 24 PCI 1723 User Manual 3 3 Signal Connections 3 3 1 Pin Assignment Figure 3 2 shows the pin assignments for the 68 pin I O connector on the PCI 1723 NC Vout0 AGND loutO NC AGND Vout2 AGND lout2 NC AGND Vout4 AGND lout4 NC AGND Vout6 AGND lout6 NC AGND DIOO DIO2 DIO4 DIO6 DIO8 DIO10 DIO12 DIO14 DGND NC NC NC 12V 9 8 7 6 5 4 3 2 1 Figure 3 2 I O Connector Pin Assignments 25 Chapter 3 3 3 2 I O Connector Signal Descriptions Table 3 1 I O Connector Signal Descriptions Signal Refer Direc Description Name ence tion Vout lt 0 3 gt AGND Output Voltage Output C
37. nd BASE 1CH Table C 14 Register for write digital output command ase 115 14 113 12 TTT 10 J9 T8 7 6 4 T 0 Addr W write digital output command H DT IDT D D1 DT JD D9 D8 D7 TD6 D4 DT DU 5 a 3 2 1 JO D15 DO Digital output data DO D15 LSB of the output data MSB of the output data PCI 1723 User Manual 52 C 16 Read Digital Input Data BASE 1CH Table C 15 Register for Read Digital Input Data ase 1715 14113112 11 110 9 T8 7 6 5 4 73 2 iT IO Addr R Read digital input data H DT TDT TDT TDT DT DT D9 D9 D7 D6 TD5 D4 D3 DZ DT DO 5 4 3 2 1 10 D15 DO Digital input data DO LSB of the input data D15 MSB of the input data C 17 Write Calibration Command BASE 1EH Table C 16 Register for write calibration command ase 1715 114 113 112 11 110 9 8 7 6 5 4 3 2 T 70 Addr W Write calibration command hi X IX X XX IX IX X X ID7ID6D5 D4 D3 DZ TDT DO D7 DO Calibration result data DO the least significant bit LSB of the data D7 the most significant bit MSB Note If you want to calibrate the range of the specific channel be sure to write the value to BASE 14H first Next write the data to this register for calibra tion purposes Lastly write the value to BASE 18H to
38. other hand advanced users are allowed another option for register level program ming although not recommended due to its laborious and time consum ing nature Device Drivers The Advantech Device Drivers software is included on the companion CD ROM at no extra charge It also comes with all the Advantech DA amp C cards Advantech s Device Drivers features a complete I O function library to help boost your application performance The Advantech Device Drivers for Windows 2000 95 98 NT ME XP works seamlessly with development tools such as Visual C Visual Basic Inprise C Builder and Inprise Delphi Register Level Programming Register level programming is available for experienced programmers who find it necessary to write code directly at the level of the device reg ister Since register level programming reguires much effort and time we recommend that you use the Advantech Device Drivers instead How ever if register level programming is indispensable you should refer to the relevant information in Appendix C Register Structure and Format or to the example codes included on the companion CD ROM PCI 1723 User Manual 6 1 5 Device Driver Programming Roadmap This section will provide you a roadmap to demonstrate how to build an application from scratch using Advantech Device Drivers with your favorite development tools such as Visual C Visual Basic Delphi and C Builder The step by step instructions on how to build your
39. own applications using each development tool will be given in the Device Drivers Manual Moreover a rich set of example source code is also given for your reference Programming Tools Programmers can develop application programs with their favorite devel opment tools e Visual C Visual Basic Delphi C Builder For instructions on how to begin programming works in each develop ment tool Advantech offers a Tutorial Chapter in the Device Drivers Manual for your reference Please refer to the corresponding sections in this chapter on the Device Drivers Manual to begin your programming efforts You can also look at the example source code provided for each programming tool since they can get you very well oriented The Device Drivers Manual can be found on the companion CD ROM Alternatively if you have already installed the Device Drivers on your system The Device Drivers Manual can be readily accessed through the Start button Start Programs Advantech Device Driver V2 0 Device Driver Manual The example source code can be found under the corresponding installa tion folder such as the default installation path Program Files Advantech ADSAPI Examples 7 Chapter 1 For information about using other function groups or other development tools please refer to the Creating Windows 95 NT 2000 Application with Device Drivers chapter and the Function Overview chapter on the Device Drivers Manual Programming with Devic
40. tatic plastic bag you should take the following precautions to ward off possible ESD damage Touch the metal part of your computer chassis with your hand to dis charge the static electricity accumulated on your body Alternatively one can also use a grounding strap Touch the anti static bag to a metal part of your computer chassis before opening the bag Take hold of the card only by the metal bracket when removing it out of the bag After taking out the card you should first Inspect the card for any possible signs of external damage loose or damaged components etc If the card is visibly damaged please notify our service department or our local sales representative immedi ately Do not install a damaged card into your system Also pay extra caution to the following aspects to ensure proper installa tion Avoid physical contact with materials that could hold static electricity such as plastic vinyl and Styrofoam PCI 1723 User Manual 12 Whenever you handle the card grasp it only by its edges DO NOT TOUCH the exposed metal pins of the connector or the electronic com ponents Note Keep the anti static bag for future use You might need the original bag to store the card if you have to remove the card from PC or transport it elsewhere 2 2 Driver Installation We recommend you to install the driver before you install the PCI 1723 card into your system since this will guarantee a smooth installation pro
41. ual 28 3 4 Field Wiring Considerations When you use the PCI 1723 to acquire data from outside noises in the environment might significantly affect the accuracy of your measure ments if due cautions are not taken The following measures will be help ful to reduce possible interference running signal wires between signal sources and the PCI 1723 The signal cables must be kept away from strong electromagnetic sources such as power lines large electric motors circuit breakers or welding machines since they may cause strong electromagnetic interference Keep the analog signal cables away from any video monitor since it can significantly affect a data acguisition system If the cable travels through an area with significant electromagnetic inter ference you should adopt individually shielded twisted pair wires as the analog input cable This type of cable has its signal wires twisted together and shielded with a metal mesh The metal mesh should only be con nected to one point at the signal source ground Avoid running the signal cables through any conduit that might have power lines in it If you have to place your signal cable parallel to a power line that has a high voltage or high current running through it try to keep a safe distance between them Alternatively you can place the signal cable at a right angle to the power line to minimize the undesirable effect The signals transmitted on the cable will be directly affected

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