用户手册 — National Instruments 7604

目录

• MID-7604/7602 Power Drive User Guide

  1
• Contents

  1
• Compliance

  2
• Conventions

  3
• Introduction

  4
• What You Need to Get Started

  4
• Safety Information

  5
• Front Panel Switches

  7
  • Figure 1. MID-7604/7602 Front Panel

    7
• Back Panel Connector Wiring

  8
  • Figure 2. MID-7604/7602 Back Panel Connectors

    8
• Host Bus Interlock Circuit

  9
• Front Panel LEDs

  9
  • Table 1. Front Panel LED Indicators

    10
  • Driver Fault Output LEDs

    10
  • Driver Inhibit LEDs

    10
  • Limit Status LEDs

    10
• Front Panel DIP Switch Settings

  11
  • Figure 3. DIP Switch Bank Layout

    11
  • Microstepping Selection

    12
  • Table 2. Microstep Rate DIP Switch Setting

    12
  • Output Current Settings

    13
  • Table 3. Peak Output Current DIP Switch Setting

    13
  • Table 4. Current Reduction DIP Switch Settings

    14
  • Inhibit Input Polarity Setting

    15
  • Table 5. Inhibit Input Polarity DIP Switch Settings

    15
  • Limit Status LED Polarity Setting

    15
  • Table 6. Limit Status LED DIP Switch Settings

    15
• Back Panel Connector Wiring

  16
  • Motor Power Terminal Blocks

    16
  • Figure 4. Typical Full-Coil Stepper Motor (2-Phase Type) TerminalBlockPinAssignment

    16
  • Encoder Terminal Blocks

    17
  • Figure 5. Typical Single-Ended Encoder Wiring Pin Assignment

    17
  • Figure 6. Typical Differential Line Driver Encoder Wiring Pin Assignment

    17
  • Figure 7. Encoder Signal Phasing, CW Rotation

    18
  • Figure 8. Clockwise and Counter-Clockwise Motor Rotation

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  • Figure 9. Shielded Twisted Pairs

    19
  • Limit Switch Terminal Blocks

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  • Figure 10. Limit Switch Terminal Block Pin Assignment (Passive Limit Switch Connection Example)

    20
  • Breakpoint and Trigger Terminal Blocks

    20
  • Figure 11. Trigger Terminal Block Pin Assignment

    21
  • Figure 12. Breakpoint Terminal Block Pin Assignment

    21
  • Analog I/O Terminal Blocks

    21
  • Figure 13. Analog Input Terminal Block Pin Assignment

    21
  • Figure 14. Analog Output Terminal Block Pin Assignment

    21
• Accessories for Optional Use

  22
  • Strain-Relief Bar

    22
  • Figure 15. MID-7604/7602 with the Strain-Relief Bar Installed

    22
  • Panel-Mount Kit (Included)

    23
  • Figure 16. MID-7604/7602 with the Panel-Mount Kit Installed

    23
• Amplifier/Driver Command Signals

  23
• Stepper Motor Configurations

  24
  • Figure 17. 6-Wire and 8-Wire Stepper Motors

    24
  • Figure 18. Series Stepper Motor Wiring (Higher Torque, Lower Speed)

    25
  • Figure 19. Parallel Stepper Motor Wiring (Higher Speed, Lower Torque)

    25
  • Figure 20. Half-Coil Stepper Motor Wiring

    26
  • Figure 21. 4-Wire Motor Wiring

    26
• Specifications

  27
• Technical Support Resources

  31
  • NI Web Support

    31
  • Worldwide Support

    31