Mitsubishi Electronics A800 User Manuals

Table of Contents

• FR-A802 INSTRUCTION MANUAL (HARDWARE)

  1
• Safety Instructions

  2
• CONTENTS

  4
• 1 INTRODUCTION

  8
  • 1.1 Product checking and accessories

    9
  • 1.2 Inverter component names

    10
  • 1.3 About the related manuals

    11
• 2 INSTALLATION AND WIRING

  12
  • 2.1 Peripheral devices

    13
    • 2.1.1 Inverter and peripheral devices

      13
    • 2.1.2 Peripheral devices

      15
  • 2.2 Removal and reinstallation of the front cover

    16
  • 2.3 Installation of the inverter and enclosure design

    18
    • 2.3.1 Inverter installation environment

      18
    • 2.3.2 Cooling system types for inverter enclosure

      20
    • 2.3.3 Inverter installation

      21
    • 2.3.4 Protruding the heatsink

      23
  • 2.4 Terminal connection diagrams

    25
  • 2.5 Main circuit terminals

    29
    • 2.5.1 Details on the main circuit terminals of the inverter

      29
    • 2.5.2 Details on the main circuit terminals of the converter unit (FR-CC2)

      29
    • 2.5.3 Terminal layout of the main circuit terminals, wiring of power supply and the motor

      30
    • 2.5.4 Applicable cables and wiring length

      31
    • 2.5.5 Earthing (grounding) precautions

      33
  • 2.6 Control circuit

    34
    • 2.6.1 Details on the control circuit terminals of the inverter

      34
    • 2.6.2 Details on the control circuit terminals of the converter unit (FR-CC2)

      38
    • 2.6.3 Control logic (sink/source) change

      39
    • 2.6.4 Wiring of inverter control circuit

      41
    • 2.6.5 Wiring precautions

      43
    • 2.6.6 When using separate power supplies for the control circuit and the main circuit

      44
    • 2.6.7 When supplying 24 V external power to the control circuit

      45
    • 2.6.8 Safety stop function

      46
  • 2.7 Communication connectors and terminals

    48
    • 2.7.1 PU connector

      48
    • 2.7.2 USB connector

      49
    • 2.7.3 RS-485 terminal block

      50
  • 2.8 Connection of motor with encoder (vector control)

    51
  • 2.9 Connection of stand-alone option units

    58
    • 2.9.1 Connection of the brake unit (FR-BU2)

      58
    • 2.9.2 Connection of the high power factor converter (FR-HC2)

      59
• 3 PRECAUTIONS FOR USE OF THE INVERTER

  60
  • 3.1 Electro-magnetic interference (EMI) and leakage currents

    61
    • 3.1.1 Leakage currents and countermeasures

      61
    • 3.1.2 Countermeasures against inverter-generated EMI

      64
    • 3.1.3 Converter unit (FR-CC2) built-in EMC filter

      67
  • 3.2 Power supply harmonics

    68
    • 3.2.1 Power supply harmonics

      68
    • 3.2.2 Harmonic Suppression Guidelines in Japan

      69
  • 3.3 Installation of a reactor

    71
  • 3.4 Power-OFF and magnetic contactor (MC)

    72
  • 3.5 Countermeasures against deterioration of the 400 V class motor insulation

    73
  • 3.6 Checklist before starting operation

    74
  • 3.7 Failsafe system which uses the inverter

    77
• 4 PROTECTIVE FUNCTIONS

  80
  • 4.1 Inverter fault and alarm indications

    81
  • 4.2 Reset method for the protective functions

    81
  • 4.3 Check and clear of the faults history

    82
  • 4.4 List of fault displays

    84
• 5 PRECAUTIONS FOR MAINTENANCE AND INSPECTION

  86
  • 5.1 Inspection item

    87
    • 5.1.1 Daily inspection

      87
    • 5.1.2 Periodic inspection

      87
    • 5.1.3 Daily and periodic inspection

      88
    • 5.1.4 Checking the inverter and converter modules

      89
    • 5.1.5 Cleaning

      90
    • 5.1.6 Replacement of parts

      90
    • 5.1.7 Inverter replacement

      92
  • 5.2 Measurement of main circuit voltages, currents and powers

    93
    • 5.2.1 Measurement of powers

      95
    • 5.2.2 Measurement of voltages and use of PT

      95
    • 5.2.3 Measurement of currents

      96
    • 5.2.4 Use of CT and transducer

      96
    • 5.2.5 Example of measuring converter unit (FR-CC2) input power factor

      96
    • 5.2.6 Measurement of converter output voltage (across terminals P and N)

      96
    • 5.2.7 Measurement of inverter output frequency

      97
    • 5.2.8 Insulation resistance test using megger

      97
    • 5.2.9 Pressure test

      97
• 6 SPECIFICATIONS

  98
  • 6.1 Inverter rating

    99
  • 6.2 Common specifications

    101
  • 6.3 Outline dimension drawings

    103
    • 6.3.1 Inverter outline dimension drawings

      103
    • 6.3.2 Converter unit (FR-CC2) outline dimension drawings

      105
• APPENDIX

  106
  • Appendix1 For customers replacing the conventional model with this inverter

    107
    • Appendix1.1 Replacement of the FR-A740 series

      107
    • Appendix1.2 Replacement of the FR-A500(L) series

      108
  • Appendix2 Comparison with FR-A840

    109
  • Appendix3 Instructions for compliance with the EU Directives

    110
  • Appendix4 Instructions for UL and cUL

    112
• REVISIONS

  115