ADLINK Technology NuDAQ DAQ-2500 Series User manual

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NuDAQ
DAQ-2500/PXI-2500 Series
High Performance
Analog Output Multi-function Cards
User's Guide
Recycled Paper

Copyright 2002~2003 ADLINK Technology Inc.
All Rights Reserved.
Manual Rev. 1.00: May 16, 2002
Part No : 50-12265-100
The information in this document is subject to change without prior notice in
order to improve reliability, design and function and does not represent a
commitment on the part of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, special, in-
cidental, or consequential damages arising out of the use or inability to use
the product or documentation, even if advised of the possibility of such
damages.
This document contains proprietary information protected by copyright. All
rights are reserved. No part of this manual may be reproduced by any
mechanical, electronic, or other means in any form without prior written
permission of the manufacturer.
Trademarks
NuDAQ, NuIPC, NuDAM, NuPROare registered trademarks of
ADLINK Technology Inc. Other product names mentioned herein are used
for identification purposes only and may be trademarks and/or registered
trademarks of their respective companies.

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If you need any help or service, please contact us.
ADLINK Technology Inc.
Web Site http://www.adlinktech.com
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Address 9F, No. 166, Jian Yi Road, Chungho City, Taipei, 235 Taiwan.
•Please inform or FAX us of your detailed information for a prompt, satis-
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Detail Description
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Table of Contents •i
Table of Contents
Chapter 1 Introduction .............................................................1
1.1 Features.............................................................................. 1
1.2 Applications....................................................................... 2
1.3 Specifications..................................................................... 3
1.4 Software Support................................................................ 7
1.4.1 Programming Library.................................................................7
1.4.2 D2K-LVIEW: LabVIEW®Driver .............................................7
1.4.3 D2K-OCX: ActiveX Controls....................................................8
Chapter 2 Installation................................................................9
2.1 Contents of Package........................................................... 9
2.2 Unpacking.........................................................................10
2.3 DAQ/PXI-2500 SERIES Layout........................................11
2.4 PCI Configuration.............................................................12
Chapter 3 Signal Connections................................................13
3.1 Connectors Pin Assignment...............................................13
Chapter 4 Operation Theorm ................................................16
4.1 A/D Conversion................................................................18
4.1.1 DAQ/PXI-2500 series AD Data Format..................................18
4.1.2 Software Polling........................................................................19
4.1.3 Programmable Scan ..................................................................19
4.1.3.1 Scan Timing and Procedure.................................................. 20
4.1.3.2 Trigger Mode....................................................................... 21

ii •Table of Contents
4.1.4.4 Bus-mastering DMA Data Transfer....................................... 23
4.2 D/A Conversion................................................................25
4.2.1 Software Update........................................................................28
4.2.2 Waveform Generation ..............................................................28
4.2.2.1 Waveform Generation Timing............................................... 29
4.2.2.2 Trigger Modes..........................................................................30
4.2.2.3 Iterative Waveform Generation............................................. 32
4.2.2.4 Stop Modes...........................................................................34
4.3 General Purpose Digital I/O...............................................36
4.4 General Purpose Timer/Counter Operation........................37
4.4.1 Timer/Counter functions basics ...............................................37
4.4.2 General Purpose Timer/Counter modes ..................................37
4.4.2.1 Mode1: Simple Gated-Event Counting...................................38
4.4.2.2 Mode2: Single Period Measurement......................................38
4.4.2.3 Mode3: Single Pulse-width Measurement..............................39
4.4.2.4 Mode4: Single Gated Pulse Generation.................................39
4.4.2.5 Mode5: Single Triggered Pulse Generation........................... 40
4.4.2.6 Mode6: Re-triggered Single Pulse Generation.......................40
4.4.2.7 Mode7: Single Triggered Continuous Pulse Generation.........41
4.4.2.8 Mode8: Continuous Gated Pulse Generation......................... 41
4.5 Trigger Sources.................................................................42
4.5.1 Software-Trigger.......................................................................42
4.5.2 External Analog Trigger...........................................................42
4.5.2.1 Below-Low analog trigger condition .....................................43
4.5.2.2 Above-High analog trigger condition .................................... 44
4.5.2.3 Inside-Region analog trigger condition .................................44

Table of Contents •iii
4.5.2.4 High-Hysteresis analog trigger condition.............................. 45
4.5.2.5 Low-Hysteresis analog trigger condition...............................45
4.6 Timing Signals..................................................................46
4.6.1 System Synchronization Interface ...........................................47
Chapter 5 Calibration .............................................................48
5.1 Auto-calibration................................................................49
5.2 Saving Calibration Constants.............................................49
5.3 Loading Calibration Constants...........................................49
Chapter 6 Appendix A.............................................................50
6.1 Waveform Generation Demonstration................................50
Warranty Policy.......................................................................53

iv •How to Use This Guide
How to Use This Guide
This manual is designed to help you use/understand the DAQ/PXI-2500
SERIES high performance analog output multi-function cards. The
manual describes the functions and the operation theory of the
DAQ/PXI-2500 SERIES. It is divided into five chapters:
Chapter 1,Introduction gives an overview of the product features, ap-
plications, and specifications.
Chapter 2,Installation describes how to install the DAQ/PXI-2500
SERIES cards. The layout and positions of all the connectors on the
DAQ/PXI-2500 SERIES are also shown.
Chapter 3,Signal Connections describes the connector’s pin assign-
ment and how to connect external signals to the DAQ/PXI-2500 SERIES.
Chapter 4,Operation Theory describes how DAQ/PXI-2500 SERIES
operates. The A/D, D/A, GPIO, timer/counter, trigger and timing signal
routing are introduced.
Chapter 5, Calibration describes how to calibrate the DAQ/PXI-2500
SERIES for accurate measurements.

Introduction •1
1
Introduction
DAQ/PXI-2500 SERIES is an advanced analog output card based on the
32-bitPCI/PXI architecture. Highperformance designsandstate-of-the-art
technology make this card ideal for waveform generation, industrial proc-
ess control, and signal analysis applications in medical, process control,
etc.
1.1 Features
DAQ/PXI-2500 SERIES advanced analog output cards provide the
following advanced features:
•32-bit PCI/PXI-Bus, plug and play
•Up to 1MS/s analog output rate
•Up to 400KS/s analog input rate
•Up to 8 analog output channels for DAQ/PXI-2502, and 4 analog output
channels for DAQ/PXI-2501
•Up to 4 analog input channels for DAQ/PXI-2502, and 8 analog input
channels for DAQ/PXI-2501
•Programmable bipolar/unipolar range for analog input channels and
individual analog output channels
•Programmable internal/external reference for individual analog output
channels