Mitsubishi Electronics FR-F740P ユーザーズマニュアル

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1.1

Product checking and parts identification ........................................................ 2

1.2

Inverter and peripheral devices.......................................................................... 3

Peripheral devices ..................................................................................................................... 4

1.3

Method of removal and reinstallation of the front cover.................................. 6

1.4

Installation of the inverter and enclosure design ............................................. 8

Inverter installation environment................................................................................................ 8

Cooling system for inverter enclosure ..................................................................................... 10

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

2.1

Wiring.................................................................................................................. 14

Terminal connection diagram .................................................................................................. 14

EMC filter................................................................................................................................. 15

2.2

Main circuit terminal specifications ................................................................. 16

Specification of main circuit terminal ....................................................................................... 16

Terminal arrangement of the main circuit terminal, power supply and the motor wiring ......... 16

Cables and wiring length ......................................................................................................... 20

When connecting the control circuit and the main circuit separately to the power supply....... 24

2.3

Control circuit specifications ........................................................................... 26

Control circuit terminals ........................................................................................................... 26

Changing the control logic ....................................................................................................... 29

Control circuit terminal layout .................................................................................................. 31

Wiring instructions ................................................................................................................... 31

Mounting the operation panel (FR-DU07) on the enclosure surface ....................................... 32

RS-485 terminal block ............................................................................................................. 33

Communication operation........................................................................................................ 33

2.4

Connection of stand-alone option units .......................................................... 34

Connection of the brake unit (FR-BU2) ................................................................................... 34

Connection of the brake unit (FR-BU/MT-BU5)....................................................................... 36

Connection of the brake unit (BU type) ................................................................................... 38

Connection of the high power factor converter (FR-HC/MT-HC)............................................. 38

Connection of the power regeneration common converter (FR-CV) (55K or lower)................ 40

Connection of the power regeneration converter (MT-RC) (75K or higher) ............................ 41

Connection of the power factor improving DC reactor (FR-HEL) ............................................ 42

3 PRECAUTIONS FOR USE OF THE INVERTER

3.1

EMC and leakage currents ................................................................................ 44

CONTENTS