用户手册 — National Instruments E Series

目录

• DAQCard E Series User Manual

  1
  • Important Information

    3
  • Warranty

    3
  • Copyright

    3
  • Trademarks

    3
  • WARNING REGARDING MEDICAL AND CLINICAL USE OF NATIONAL INSTRUMENTS PRODUCTS

    3
• Table of Contents

  4
• About This Manual

  10
  • Organization of This Manual

    10
  • Conventions Used in This Manual

    11
  • National Instruments Documentation

    12
  • Related Documentation

    13
  • Customer Communication

    13
• Chapter 1 Introduction

  14
  • About the DAQCard E Series

    14
  • What You Need to Get Started

    15
  • Software Programming Choices

    15
  • LabVIEW and LabWindows/CVI Application Software

    15
  • NI-DAQ Driver Software

    16
  • Register-Level Programming

    17
  • Optional Equipment

    18
  • Custom Cabling

    18
  • Unpacking

    19
• Chapter 2 Installation and Configuration

  20
  • Installation

    20
  • Configuration

    21
• Chapter 3 Hardware Overview

  23
  • Analog Input

    24
  • Input Mode

    24
  • Input Polarity and Input Range

    25
  • Considerations for Selecting Input Ranges

    28
  • Dither

    28
  • Multichannel Scanning Considerations

    29
  • Analog Trigger

    31
  • Digital I/O

    34
  • Timing Signal Routing

    35
  • Programmable Function Inputs

    36
  • DAQCard Clocks

    36
• Chapter 4 Signal Connections

  37
  • I/O Connector

    37
  • Analog Input Signal Connections

    46
  • Types of Signal Sources

    48
  • Floating Signal Sources

    48
  • Ground-Referenced Signal Sources

    48
  • Input Configurations

    48
  • Differential Connection Considerations (DIFF Input Configuration)

    50
  • Differential Connections for Ground-Referenced Signal Sources

    51
  • Differential Connections for Nonreferenced or Floating Signal Sources

    52
  • Single-Ended Connection Considerations

    54
  • Single-Ended Connections for Floating Signal Sources (RSE Configuration)

    55
  • Single-Ended Connections for Grounded Signal Sources (NRSE Configuration)

    55
  • Common-Mode Signal Rejection Considerations

    56
  • Digital I/O Signal Connections

    57
  • Power Connections

    58
  • Timing Connections

    58
  • Programmable Function Input Connections

    60
  • Data Acquisition Timing Connections

    60
  • SCANCLK Signal

    62
  • EXTSTROBE* Signal

    63
  • TRIG1 Signal

    63
  • TRIG2 Signal

    65
  • STARTSCAN Signal

    66
  • CONVERT* Signal

    69
  • AIGATE Signal

    70
  • SISOURCE Signal

    71
  • UISOURCE Signal

    72
  • General-Purpose Timing Signal Connections

    73
  • GPCTR0_SOURCE Signal

    73
  • GPCTR0_GATE Signal

    74
  • GPCTR0_OUT Signal

    74
  • GPCTR0_UP_DOWN Signal

    75
  • GPCTR1_SOURCE Signal

    75
  • GPCTR1_GATE Signal

    76
  • GPCTR1_OUT Signal

    77
  • GPCTR1_UP_DOWN Signal

    78
  • FREQ_OUT Signal

    79
  • Field Wiring Considerations

    80
• Chapter 5 Calibration

  81
  • Loading Calibration Constants

    81
  • Self-Calibration

    82
  • External Calibration

    82
  • Other Considerations

    83
• Appendix A Specifications

  84
  • DAQCard-AI-16E-4

    84
  • DAQCard-AI-16XE-50

    91
• Appendix B Optional Cable Connector Descriptions

  96
• Appendix C PC Card Questions and Answers

  99
• Appendix D Common Questions

  103
• Appendix E Power-Management Modes

  108
• Appendix F Customer Communication

  110
• Glossary

  115
• Index

  123
• Figures

  8
  • Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware

    17
  • Figure 2-1. A Typical Configuration for the DAQCard E Series Card

    21
  • Figure 3-1. DAQCard-AI-16E-4 Block Diagram

    23
  • Figure 3-2. DAQCard-AI-16XE-50 Block Diagram

    24
  • Figure 3-3. Dither

    29
  • Figure 3-4. Analog Trigger Block Diagram

    31
  • Figure 3-5. Below-Low-Level Analog Triggering Mode

    32
  • Figure 3-6. Above-High-Level Analog Triggering Mode

    32
  • Figure 3-7. Inside-Region Analog Triggering Mode

    33
  • Figure 3-8. High-Hysteresis Analog Triggering Mode

    33
  • Figure 3-9. Low-Hysteresis Analog Triggering Mode

    34
  • Figure 3-10. CONVERT* Signal Routing

    35
  • Figure 4-1. I/O Connector Pin Assignment for the DAQCard-AI-16E-4 and DAQCard-AI-16XE-50

    38
  • Figure 4-2. DAQCard E Series PGIA

    47
  • Figure 4-3. Summary of Analog Input Connections

    49
  • Figure 4-4. Differential Input Connections for Ground-Referenced Signals

    51
  • Figure 4-5. Differential Input Connections for Nonreferenced Signals

    52
  • Figure 4-6. Single-Ended Input Connections for Nonreferenced or Floating Signals

    55
  • Figure 4-7. Single-Ended Input Connections for Ground-Referenced Signals

    56
  • Figure 4-8. Digital I/O Connections

    57
  • Figure 4-9. Timing I/O Connections

    59
  • Figure 4-10. Typical Posttriggered Acquisition

    61
  • Figure 4-11. Typical Pretriggered Acquisition

    61
  • Figure 4-12. SCANCLK Signal Timing

    62
  • Figure 4-13. EXTSTROBE* Signal Timing

    63
  • Figure 4-14. TRIG1 Input Signal Timing

    64
  • Figure 4-15. TRIG1 Output Signal Timing

    64
  • Figure 4-16. TRIG2 Input Signal Timing

    66
  • Figure 4-17. TRIG2 Output Signal Timing

    66
  • Figure 4-18. STARTSCAN Input Signal Timing

    67
  • Figure 4-19. STARTSCAN Output Signal Timing

    68
  • Figure 4-20. CONVERT* Input Signal Timing

    69
  • Figure 4-21. CONVERT* Output Signal Timing

    70
  • Figure 4-22. SISOURCE Signal Timing

    71
  • Figure 4-23. UISOURCE Signal Timing

    72
  • Figure 4-24. GPCTR0_SOURCE Signal Timing

    73
  • Figure 4-25. GPCTR0_GATE Signal Timing in Edge-Detection Mode

    74
  • Figure 4-26. GPCTR0_OUT Signal Timing

    75
  • Figure 4-27. GPCTR1_SOURCE Signal Timing

    76
  • Figure 4-28. GPCTR1_GATE Signal Timing in Edge-Detection Mode

    77
  • Figure 4-29. GPCTR1_OUT Signal Timing

    77
  • Figure 4-30. GPCTR Timing Summary

    78
  • Figure B-1. 68-Pin AI Connector Pin Assignments

    97
  • Figure B-2. 50-Pin AI Connector Pin Assignments

    98
• Tables

  9
  • Table 3-1. Available Input Configurations for the DAQCard E Series

    25
  • Table 3-2. Actual Range and Measurement Precision

    26
  • Table 3-3. Actual Range and Measurement Precision, DAQCard-AI-16XE-50

    27
  • Table 4-1. I/O Connector Signal Descriptions

    39
  • Table 4-2. I/O Signal Summary, DAQCard-AI-16E-4

    41
  • Table 4-3. I/O Signal Summary, DAQCard-AI-16XE-50

    44
  • Table E-1. DAQCard E Series Power-Management Modes

    109