Mitsubishi Electronics FR-A701 ユーザーズマニュアル

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CONT

ENTS

Product checking and parts identification .............................................................. 1

Inverter and peripheral devices.............................................................................. 2

Peripheral devices ..................................................................................................................... 3

Method of removal and reinstallation of the front cover ......................................... 4

Installation of the inverter and enclosure design.................................................... 6

Inverter installation environment................................................................................................ 6

Cooling system types for inverter enclosure.............................................................................. 9

Inverter placement................................................................................................................... 10

Terminal connection diagram............................................................................... 12

Main circuit terminal specifications ...................................................................... 13

Specification of main circuit terminal ....................................................................................... 13

Terminal arrangement of the main circuit terminal, power supply and the motor wiring ......... 14

Cables and wiring length ......................................................................................................... 16

When connecting the control circuit and the main circuit separately
to the power supply ................................................................................................................. 19

Control circuit specifications ................................................................................ 20

Control circuit terminals ........................................................................................................... 20

Changing the control logic ....................................................................................................... 23

Control circuit terminal layout .................................................................................................. 25

Wiring instructions ................................................................................................................... 25

When connecting the operation panel using a connection cable ............................................ 26

RS-485 terminal block ............................................................................................................. 26

Communication operation........................................................................................................ 27

USB connector ........................................................................................................................ 27

Connection of motor with encoder (vector control) .............................................. 28

PRECAUTIONS FOR USE OF THE INVERTER

EMC and leakage currents .................................................................................. 35

Leakage currents and countermeasures ................................................................................. 35

EMC measures........................................................................................................................ 37

Power supply harmonics ......................................................................................................... 39

Harmonic suppression guideline ............................................................................................. 39

Power-off and magnetic contactor (MC) .............................................................. 41

Inverter-driven 400V class motor ......................................................................... 42

Precautions for use of the inverter ....................................................................... 43

Failsafe of the system which uses the inverter .................................................... 45

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