Mitsubishi Electric FR-A802-P Instruction Manual page 4

CONTENTS
1 INTRODUCTION
1.1 Product checking and accessories
1.2 Inverter component names
1.3 About the related manuals
2 INSTALLATION AND WIRING
2.1 Peripheral devices
2.1.1 Inverter and peripheral devices ......................................................................................................................12
2.1.2 Peripheral devices ..........................................................................................................................................13
2.2 Removal and reinstallation of the operation panel or the front covers
2.3 Installation of the inverter and enclosure design
2.3.1 Inverter installation environment.....................................................................................................................18
2.3.2 Amount of heat generated by the inverter ......................................................................................................20
2.3.3 Cooling system types for inverter enclosure...................................................................................................21
2.3.4 Inverter installation..........................................................................................................................................22
2.3.5 Protruding the heat sink..................................................................................................................................23
2.4 Terminal connection diagrams
2.5 Main circuit terminals
2.5.1 Details on the main circuit terminals of the inverter ........................................................................................35
2.5.2 Details on the main circuit terminals of the converter unit ..............................................................................35
2.5.3 Terminal layout of the main circuit terminals, wiring of power supply and the motor......................................36
2.5.4 Applicable cables and wiring length................................................................................................................37
2.5.5 Earthing (grounding) precautions ...................................................................................................................39
2.6 Control circuit
2.6.1 Details on the control circuit terminals of the inverter .....................................................................................40
2.6.2 Details on the control circuit terminals of the converter unit ...........................................................................44
2.6.3 Control logic (sink/source) change .................................................................................................................45
2.6.4 Wiring of inverter control circuit ......................................................................................................................47
2.6.5 Wiring precautions ..........................................................................................................................................49
2.6.6 When using separate power supplies for the control circuit and the main circuit ...........................................50
2.6.7 When supplying 24 V external power to the control circuit .............................................................................51
2.6.8 Safety stop function ........................................................................................................................................53
2.7 Communication connectors and terminals
2.7.1 RS-485 terminal block ....................................................................................................................................55
2.7.2 PU connector ..................................................................................................................................................57
2.7.3 USB connector................................................................................................................................................58
2.8 Connection of motor with encoder (Vector control)
2.9 Parameter settings for a motor with encoder
7
8
9
10
11
12
16
18
25
35
40
55
59
65
3
CONTENTS