Measurement Computing PCI-DAS4020/12 User Manual

Analog & digital i/o board
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  • Page 2 PCI-DAS4020/12 Analog & Digital I/O Board User’s Guide Document Revision 7, May, 2005 © Copyright 2005, Measurement Computing Corporation...
  • Page 3 Neither Measurement Computing Corp., nor its employees shall be liable for any direct or indirect, special, incidental or consequential damage arising from the use of its products, even if Measurement Computing Corp. has been notified in advance of the possibility of such damages.
  • Page 4 Information furnished by Measurement Computing Corporation is believed to be accurate and reliable. However, no responsibility is assumed by Measurement Computing Corporation neither for its use; nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or copyrights of Measurement Computing Corporation.
  • Page 5: Table Of Contents

    Introducing the PCI-DAS4020/12 ..................... 1-1 Overview: PCI-DAS4020/12 features ......................1-1 Software features ............................1-1 Chapter 2 Installing the PCI-DAS4020/12 ......................2-1 What comes with your PCI-DAS4020/12 shipment? ..................2-1 Hardware ..................................2-1 Software..................................2-1 Documentation................................2-1 Optional components ..............................2-2 Unpacking the board............................
  • Page 6 PCI-DAS4020/12 User's Guide Trig/Ext Clk BNC............................6-3 Analog output ..............................6-3 Accuracy ..................................6-3 Digital input / output............................6-4 Interrupts................................. 6-4 Environmental ..............................6-5 Power consumption ............................6-5 Connector and pin out............................. 6-5 Auxiliary connector P3 pinout ............................6-5...
  • Page 7: Preface

    About this User's Guide What you will learn from this user's guide This user's guide explains how to install, configure, and use the PCI-DAS4020/12 so that you get the most out of its analog and digital I/O features. This user's guide also refers you to related documents available on our web site, and to technical support resources that can also help you get the most out of these boards.
  • Page 8: Where To Find More Information

    The following electronic documents provide information that can help you get the most out of your PCI- DAS4020/12. MCC's Specifications: PCI-DAS4020/12 (the PDF version of Chapter 6 in this guide) is available on our web site at www.mccdaq.com/pdfs/PCI-DAS4020-12.pdf. MCC's Register Map for the PCI-DAS4020/12 Series is available on our web site at www.mccdaq.com/registermaps/RegMapPCI-DAS4020-12.pdf.
  • Page 9: Introducing The Pci-Das4020/12

    Overview: PCI-DAS4020/12 features This manual explains how to install and use the PCI-DAS4020/12 board. The PCI-DAS4020/12 is a multi-function high-speed data acquisition I/O board that is designed for the PCI bus. It provides the following features: Four high-speed 12-bit analog input channels The input range for each channel is software-configurable for ±1 V or ±5 V.
  • Page 10: Installing The Pci-Das4020/12

    Hardware The following items should be included with your shipment. PCI-DAS4020/12 board Software The Measurement Computing Data Acquisition Software CD contains the following software: Insta Cal installation, calibration, and test utility TracerDAQ suite of virtual instruments SoftWIRE for VS .NET SoftWIRE MCC DAQ Components for .NET...
  • Page 11: Optional Components

    2-8 for a complete list of compatible accessory products. Unpacking the board The PCI-DAS4020/12 board is shipped in an antistatic container to prevent damage by an electrostatic discharge. To avoid such damage, perform the following procedure when unpacking and handling your board: Before opening the antistatic container, ground yourself with a wrist-grounding strap or by holding onto a grounded object (such as the computer chassis).
  • Page 12: Installing The Software

    Installing the hardware PCI-DAS4020/12 is completely plug-and-play. There are no switches or jumpers to set on these boards. Configuration is controlled by your system's BIOS. To install your board, follow the steps below: Turn your computer off, open it up, and insert your board into an available PCI slot.
  • Page 13: Connecting The Board For I/O Operations

    PCI-DAS4020/12 User's Guide Installing the PCI-DAS4020/12 Connecting the board for I/O operations Connectors, cables – I/O connectors Table 2-1 lists the board connectors, applicable cables, and compatible accessory products for the PCI- DAS4020/12. Table 2-1. Board connectors, cables, compatible hardware...
  • Page 14: Pinout - Auxiliary Connector

    PCI-DAS4020/12 User's Guide Installing the PCI-DAS4020/12 Pinout – auxiliary connector Table 2-2 defines the pinout for the board’s 40-pin on-board auxiliary connector (labeled on the board). Pin 1 is identified by a beveled edge on the board silkscreen. Table 2-2. 40-pin auxiliary connector P3...
  • Page 15 Figure 2-3. C40-37F-x cable If you don’t need to connect to the PCI-DAS4020/12 analog outputs (pins 38 to 40), you can connect to a BP40-37-x cable. The BP40-37-x cable brings pins 1 through 37 of the 40-pin connector out to 37-pin male "D"...
  • Page 16 PCI-DAS4020/12 User's Guide Installing the PCI-DAS4020/12 40-pin to 37-pin signal mapping Signal mapping on the C40-37F-x and the BP40-37-x cables is not 1:1. Table 2-3 lists the pin numbers of the signals on the 40-pin end and the pin numbers of the associated signals on the 37-pin end.
  • Page 17: Field Wiring And Signal Termination Accessories

    Digital Signal Conditioning For digital signal conditioning, you can connect the PCI-DAS4020/12 to the following boards using the BP40-37-x cable in conjunction with the C37FF-x or C37FFS-x cable. CIO-ERB24 – 24 Form C, 6A relays. Details on this product are available on our web site at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=123&pf_id=241.
  • Page 18: Programming And Developing Applications

    You should use the Universal Library or one of the packaged application programs mentioned above to control your board. Only experienced programmers should try register-level programming. To program at the register level in your application, refer to the Register Map for the PCI-DAS4020/12 Series (available at www.mccdaq.com/registermaps/RegMapPCI-DAS4020-12.pdf.
  • Page 19: Functional Details

    Chapter 4 Functional Details The PCI-DAS4020/12 provides four high-speed 12-bit analog input channels, dual 12-bit analog outputs and 24 digital I/O channels. This functionality is illustrated in the block diagram shown here. Four analog input channels per board Attenuator/ Amplifier...
  • Page 20: Analog Output

    Both are active low. Power distribution The PCI-DAS4020/12 board is powered by the PCI bus. The only power used is +5 V. Input impedance configuration Each analog input and the trigger/clock input channel on the PCI-DAS4020/12 has a dedicated solder gap.
  • Page 21 PCI-DAS4020/12 User's Guide Functional Details Solder Gap Configuration Input Impedance Open 1.5 MΩ typical 50 Ω Close The board designation for the analog input channels and the trigger/clock BNC input are listed below. Solder Gap board label Channel Channel 0...
  • Page 22 PCI-DAS4020/12 User's Guide Functional Details Solder gap SG3 is open (1.5 Mohms) Solder gap SG4 is closed (50 ohms) Figure 4-5. Open and closed solder gaps...
  • Page 23: Calibrating The Board

    Chapter 5 Calibrating the Board Use the Insta Cal utility program to calibrate the PCI-DAS4020/12. Insta Cal calibrates the PCI- DAS4020/12 using on-board digital potentiometers and trim D/A converters. No external equipment or user adjustments are required. The PCI-DAS4020/12 is factory calibrated. The calibration coefficients are stored in nvRAM. Analog input adjustments are made via 10-bit calibration DACs that are referenced to the on-board factory calibrated standard.
  • Page 24: Specifications

    Chapter 6 Specifications Typical for 25 °C unless otherwise specified. Specifications in italic text are guaranteed by design. Analog input Table 6-1. Analog input specifications A/D converter type AD9225, 25 MSPS pipelined A/D Resolution 12-bits Programmable ranges ±5 V, ±1 V Number of channels 4 single-ended, independent ADC’s per channel Connection...
  • Page 25: Accuracy

    PCI-DAS4020/12 board is ±7.0 LSB. Each PCI-DAS4020/12 board is tested at the factory to make sure that its actual worst case error is less than ±5.0 LSB. Allowing for a 10% guard-band, the absolute worst-case error of a board is ±5.5 LSB.
  • Page 26: Dynamics And Noise

    PCI-DAS4020/12 User's Guide Specifications Dynamics and noise Table 6-6. Dynamics and noise specifications SNR (Signal-to-noise ratio) 66.6 dB SINAD (signal-to-noise and distortion ratio) 66.5 dB SFDR (spurious free dynamic range) 80 dB THD (total harmonic distortion) 80 dB Noise distribution: (Rate = 10 KHz-20 MHz, Average % ±...
  • Page 27: Digital Input / Output

    PCI-DAS4020/12 User's Guide Specifications Total analog output error is a combination of gain, offset, integral linearity, and differential linearity error. The overall absolute worst-case error of the board may be calculated by summing these component errors. Worst case error is realized only in the unlikely event that each of the component errors are both at their maximum level, and causing error in the same direction.
  • Page 28: Environmental

    PCI-DAS4020/12 User's Guide Specifications Environmental Table 6-12. Environmental specifications Operating temperature range 0 to 70 °C Storage temperature range −40 to 100 °C Humidity 0 to 90% non-condensing Power consumption Table 6-13. Power consumption specifications +5 V Operating (A/D to FIFO) 1.5 A typical, 2.0 A max...
  • Page 29: Ec Declaration Of Conformity

    EC Declaration of Conformity We, Measurement Computing Corporation, declare under sole responsibility that the product PCI-DAS4020/12 High speed analog and digital I/O board for the PCI bus Part Number Description to which this declaration relates, meets the essential requirements, is in conformity with, and CE marking...
  • Page 30 Measurement Computing Corporation 16 Commerce Boulevard, Middleboro, Massachusetts 02346 (508) 946-5100 Fax: (508) 946-9500 E-mail: info@mccdaq.com www.mccdaq.com...

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