用户手册 — National Instruments NI USB-9234

目录

• NI USB-9234 User Guide and Specifications

  1
• Introduction

  1
  • Figure 1. NI USB-9234 Components

    1
• Dimensions

  2
  • Figure 2. NI USB-9234 Device in Millimeters (Inches)

    2
• Safety Guidelines

  2
  • Safety Guidelines for Hazardous Voltages

    3
• Related Documentation

  3
  • NI-DAQmx for Windows

    3
  • LabVIEW

    4
  • LabWindows/CVI

    4
  • Measurement Studio

    5
  • .NET Languages without NI Application Software

    6
  • Device Documentation and Specifications

    6
  • Training Courses

    6
  • Technical Support on the Web

    6
• Installing the Software

  7
  • Installing Other Software

    7
  • Example Programs

    7
• Installing the NI USB-9234 Device

  7
  • Installing the NI 9234 in the NI USB-9162 Carrier

    7
    • Figure 3. Module Installation

      8
    • Figure 4. Locking Module into Place

      8
  • Mounting the NI USB-9234

    9
    • Figure 5. Module Dimensions

      9
  • Connecting the NI USB-9234 to a Computer

    9
  • LED Indicator

    10
    • Table 1. LED State/Device Status

      10
• Wiring the NI USB-9234

  11
  • Figure 6. NI USB-9234 Connector Assignments

    11
  • Connecting Signal Sources to the NI USB-9234

    12
    • Figure 7. Connecting a Grounded IEPE Sensor to the NI USB-9234

      12
    • Figure 8. Connecting a Floating IEPE Sensor to the NI USB-9234

      12
• NI USB-9234 Circuitry

  13
  • Figure 9. Input Circuitry for One Channel

    13
  • Figure 10. Measurement Error Introduced by Common-Mode Bias Current

    13
  • Understanding NI USB-9234 Filtering

    14
    • Passband

      14
    • Figure 11. NI USB-9234 Typical Passband Response

      14
    • Stopband

      15
    • Alias-Free Bandwidth

      15
• Understanding NI USB-9234 Data Rates

  15
• Specifications

  16
  • Input Characteristics

    16
  • Power Requirements

    20
  • Bus Interface

    20
  • Physical Characteristics

    20
  • Safety

    20
    • Safety Voltages

      20
    • Safety Standards

      21
    • Hazardous Locations

      21
  • Environmental

    21
  • Electromagnetic Compatibility

    21
  • CE Compliance

    22
  • Environmental Management

    22
  • Calibration

    22
• Where to Go for Support

  23