1. DL manuals
  2. Acces
  3. PCI Card
  4. PCI-DA12-2
  5. User Manual

Acces PCI-DA12-2 User Manual

Summary of PCI-DA12-2

  • Page 1

    10623 roselle street, san diego, ca 92121 • (858) 550-9559 • fax (858) 550-7322 contactus@accesio.Com • www.Accesio.Com model pci-da12-2/4/6 user manual file: mpci-da12-6.C3.

  • Page 2

    Manual pci-da12-2/4/6 2 notice the information in this document is provided for reference only. Acces does not assume any liability arising out of the application or use of the information or products described herein. This document may contain or reference information and products protected by copy...

  • Page 3

    Manual pci-da12-2/4/6 3 warranty prior to shipment, acces equipment is thoroughly inspected and tested to applicable specifications. However, should equipment failure occur, acces assures its customers that prompt service and support will be available. All equipment originally manufactured by acces ...

  • Page 4: Table Of Contents

    Manual pci-da12-2/4/6 4 table of contents chapter 1: introduction ................................................................................................. 5 specifications ............................................................................................................ 6 figure 1...

  • Page 5: Chapter 1: Introduction

    Manual pci-da12-2/4/6 5 chapter 1: introduction features • 2, 4, or 6 channels of analog output, 12 bits resolution. • 16 digital i/o lines buffered on the card. • digital i/o buffers can be tri-stated under program control. • pull-ups on digital i/o lines. • resettable fused +5v and +12v supplies a...

  • Page 6

    Manual pci-da12-2/4/6 6 specifications analog outputs • resolution: 12 binary bits (0 to 4095 decimal) • channels: 2, 4, or 6 voltage output or current sink channels • current range: 4 to 20 ma (with excitation voltage 8-36 vdc) • voltage ranges (5ma max): 0v to +2.5v 0v to +5v 0v to +10v -2.5v to +...

  • Page 7

    Manual pci-da12-2/4/6 7 environmental • operating temperature range: 0 °c. To +60 °c • storage temperature range: -20 °c. To +85 °c • humidity: 5% to 95% non-condensing • external dac reference (input): +4.5v to +5.5v • 5v source (output): 0 to 500 ma, fused (resetting) • 12v source (output): 0 to 5...

  • Page 8

    Manual pci-da12-2/4/6 8 figure 1-1: block diagram.

  • Page 9: Chapter 2: Installation

    Manual pci-da12-2/4/6 9 chapter 2: installation a printed quick- start guide (qsg) is packed with the card for your convenience. If you’ve already performed the steps from the qsg, you may find this chapter to be redundant and may skip forward to begin developing your application. The software provi...

  • Page 10

    Manual pci-da12-2/4/6 10 hardware installation 1. Make sure to set switches and jumpers from either the option selection section of this manual or from the suggestions of setup.Exe. 2. Do not install card into the computer until the software has been fully installed. 3. Turn off computer power and u...

  • Page 11

    Manual pci-da12-2/4/6 11 chapter 3: option selection voltage output ranges are determined by switch settings as described in the following paragraphs. Also, the method to update d/a outputs is programmable as described here and in chapter 5, programming . Output ranges there is a three-position slid...

  • Page 12

    Manual pci-da12-2/4/6 12 s5 v p2 out 5 out 3 out 1 out 4 out 2 out 0 s3 s1 s6 i s4 s2 figure 3-1: option selection map.

  • Page 13

    Manual pci-da12-2/4/6 13 ground current output (jumpers placed in "i” position) dac analog current output r load excitation voltage 8-36 v maximum* (observe polarity) ground voltage output dac analog voltage o utput r load card application 5ma maximum figure 3-2: field wiring caution! Do not connect...

  • Page 14

    Manual pci-da12-2/4/6 14 chapter 4: address selection these cards use two i/o address spaces, one of 64 bytes and one of 256 bytes. The dacs and control registers occupy the first 16 bytes of the first area. The next 16 addresses are reserved. The digital i/o circuit uses the next 4 register locatio...

  • Page 15: Chapter 5: Programming

    Manual pci-da12-2/4/6 15 chapter 5: programming these cards ’ dacs and digital i/o use 40(hex) consecutive i/o addresses. Programming the cards is very straightforward as there are only two operating modes, three range-selection switches per channel, and one unique addition. The basic operation of a...

  • Page 16

    Manual pci-da12-2/4/6 16 address write * read base + 0 dac 0 low byte place card in simultaneous mode without updating outputs. Base + 1 dac 0 high byte base + 2 dac 1 low byte release card from simultaneous mode without updating outputs. Base + 3 dac 1 high byte enable external interrupts base + 4 ...

  • Page 17

    Manual pci-da12-2/4/6 17 the digital i/o control byte sets the directions of port a and port b. Port b input port b output port a input 92h 90h port a output 82h 80h table 5-3: digital i/o control byte values bit d7 d6 d5 d4 d3 d2 d1 d0 low byte b7 b6 b5 b4 b3 b2 b1 b0 high byte x x x x b11 b10 b9 b...

  • Page 18: Chapter 6: Software

    Manual pci-da12-2/4/6 18 chapter 6: software these cards are straightforward to program. The following example is in c, but sample code is also provided on the cd in pascal and four windows languages: c++builder, delphi, visualbasic, and visual c++. To output an analog value with 12-bit resolution, ...

  • Page 19: Chapter 7: Calibration

    Manual pci-da12-2/4/6 19 chapter 7: calibration periodic calibration of the cards is recommended if they are used in extreme environmental conditions. The card uses very stable components but high-low temperature cycles might result in slight analog output errors. This card is calibrated by software...

  • Page 20

    Manual pci-da12-2/4/6 20 the next table shows the location of the range data for each channel. The value stored is a number from 0 to 6, representing the 7 ranges (as shown in the table below). If you set any channel's range switch, be sure to place the correct value in this table. Using the calibra...

  • Page 21

    Manual pci-da12-2/4/6 21 chapter 8: connector pin assignments the analog outputs are accessible via a male 37-pin d type connector. Pin function pin function 1 analog dac 5 output 20 ground 2 analog dac 4 output 21 ground 3 digital i/o port b - bit 7 22 ground 4 digital i/o port b - bit 6 23 ground ...

  • Page 22: Customer Comments

    Manual pci-da12-2/4/6 22 customer comments if you experience any problems with this manual or just want to give us some feedback, please email us at: manuals@accesio.Com. Please detail any errors you find and include your mailing address so that we can send you any manual updates. 10623 roselle stre...