Mitsubishi Electric 800 Series, Instruction Manual, Page: 4 / 727

CONTENTS
3
1 INTRODUCTION 11
1.1 Product checking and accessories 12
1.2 Component names 13
1.3 Operation steps 14
1.4 About the related manuals 15
2 INSTALLATION AND WIRING 17
2.1 Peripheral devices 18
2.1.1 Inverter and peripheral devices ......................................................................................................................18
2.1.2 Peripheral devices ..........................................................................................................................................20
2.2 Removal and reinstallation of the front covers 21
2.3 Installation of the inverter and enclosure design 24
2.3.1 Inverter installation environment.....................................................................................................................24
2.3.2 Amount of heat generated by the inverter ......................................................................................................26
2.3.3 Cooling system types for inverter enclosure...................................................................................................27
2.3.4 Inverter installation..........................................................................................................................................28
2.3.5 Protruding the heat sink through a panel........................................................................................................30
2.4 Terminal connection diagrams 32
2.5 Main circuit terminals 34
2.5.1 Details on the main circuit terminals ...............................................................................................................34
2.5.2 Terminal layout of the main circuit terminals, wiring of power supply and the motor......................................35
2.5.3 Applicable cables and the wiring length..........................................................................................................40
2.5.4 Earthing (grounding) precautions ...................................................................................................................42
2.6 Control circuit 43
2.6.1 Details on the control circuit terminals ............................................................................................................43
2.6.2 Control logic (sink/source) change .................................................................................................................47
2.6.3 Wiring of control circuit ...................................................................................................................................49
2.6.4 Wiring precautions ..........................................................................................................................................51
2.6.5 When using separate power supplies for the control circuit and the main circuit ...........................................52
2.6.6 When supplying 24 V external power to the control circuit .............................................................................54
2.7 Communication connectors and terminals 56
2.7.1 PU connector ..................................................................................................................................................56
2.7.2 USB connector................................................................................................................................................58
2.7.3 RS-485 terminal block ....................................................................................................................................59
2.8 Connection of motor with encoder (vector control) 60
2.9 Parameter settings for a motor with encoder 64
2.10 Connection of stand-alone option units 65
2.10.1 Connection of the brake resistor other than the provided brake resistor ........................................................65
2.10.2 Connection of the DC reactor .........................................................................................................................66
CONTENTS