用户手册 — National Instruments 321906B-01

目录

• NI 2501/2503 User Manual

  1
• Support

  2
  • Internet Support

    2
  • Bulletin Board Support

    2
  • Fax-on-Demand Support

    2
  • Telephone Support (USA)

    2
  • International Offices

    2
  • National Instruments Corporate Headquarters

    2
• Important Information

  3
  • Warranty

    3
  • Copyright

    3
  • Trademarks

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

    3
• Compliance

  4
• Conventions

  5
• Contents

  6
• Chapter 1 Routing Signals with Your NI 2501/2503

  8
  • About the NI2501/2503

    8
    • Analog Bus

      9
    • Triggers

      9
    • Cold-Junction Sensor Channel

      10
    • NI2501 Amplifier

      10
  • Connecting Signals

    11
    • Front Connector

      11
  • Contact Protection

    17
  • Terminal Blocks

    17
  • Software Choices

    17
    • NISWITCH Driver Software

      17
    • National Instruments Application Software

      18
    • Third Party Software

      18
• Chapter 2 NI 2501/2503 Operation

  19
  • Functional Overview

    19
  • Multiplexer

    22
    • Two-Wire Mode

      22
    • One-Wire Mode

      22
    • Four-Wire Mode

      23
    • Matrix Mode

      23
  • Switch Control Circuitry

    23
  • Random Scanning

    23
  • PXI Interface

    24
    • Triggers

      24
      • External Trigger Input

        24
      • Scanner Advanced

        25
      • Modes

        25
    • Initiating Scanning

      26
    • Multicard Triggering

      26
• Appendix A Specifications

  27
  • NI2501

    27
    • Input Characteristics

      27
    • Transfer Characteristics

      28
    • Dynamic Characteristics

      28
    • PXI Bus Interface

      29
    • PXI Trigger Bus

      29
    • Power Requirement

      29
    • Physical

      29
    • Environment

      30
    • Shock and Vibration

      30
    • Certifications and Compliances CE Mark Compliance

      30
  • NI2503

    31
    • Input Characteristics

      31
    • Transfer Characteristics

      31
    • Dynamic Characteristics

      32
    • PXI Bus Interface

      32
    • PXI Trigger Bus

      32
    • Power Requirement

      32
    • Physical

      33
    • Environment

      33
    • Shock and Vibration

      33
    • Certifications and Compliances CE Mark Compliance

      33
• Appendix B Accessories

  34
• Appendix C Customizing Your Card

  35
  • CurrentLoop Receivers

    35
• Appendix D Architecture Drawings

  37
• Appendix E Common Questions

  40
• Appendix F Customer Communication

  42
  • Electronic Services

    42
  • Telephone and Fax Support

    43
  • Technical Support Form

    44
  • NI2501/2503 Hardware and Software ConfigurationForm

    45
    • National Instruments Products

      45
    • Other Products

      45
  • Documentation Comment Form

    47
• Glossary

  48
  • A

    48
  • B

    48
  • C

    49
  • D

    49
  • E

    50
  • F

    50
  • H

    50
  • I

    50
  • M

    50
  • N

    51
  • P

    51
  • R

    51
  • S

    51
  • T

    52
  • V

    52
  • W

    53
• Index

  54
  • A

    54
  • B

    54
  • C

    54
  • D

    54
  • E

    54
  • F

    54
  • G

    55
  • I

    55
  • L

    55
  • M

    55
  • N

    55
  • O

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  • P

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  • Q

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  • R

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  • S

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  • T

    57
  • V

    57
• Figures

  7
  • Figure 1-1. Front Connector Pinout Assignments for Two-Wire Mode

    12
  • Figure 1-2. Front Connector Pinout Assignments for One-Wire Mode

    13
  • Figure 1-3. Front Connector Pinout Assignments for Four-Wire Mode

    14
  • Figure 1-4. Front Connector Pinout Assignments to Create a 6 x 4 Matrix

    15
  • Figure 2-1. NI 2501 Module Block Diagram

    20
  • Figure 2-2. NI 2503 Module Block Diagram

    21
  • Figure C-1. Bent and Trimmed Resistor

    36
  • Figure D-1. NI 2501 Switch Architecture

    38
  • Figure D-2. NI 2503 Switch Architecture

    39
• Tables

  7
  • Table 1-1. Front Connector Signal Description

    16