Mitsubishi Electronics FR-A700 ユーザーズマニュアル

I

CONT

ENTS

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 types 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 ......................................................................................................... 19

When connecting the control circuit and the main circuit separately
to the power supply ................................................................................................................. 23

2.3

Control circuit specifications ........................................................................... 25

Control circuit terminals ........................................................................................................... 25

Changing the control logic ....................................................................................................... 28

Wiring of control circuit ............................................................................................................ 30

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

Mounting the operation panel (FR-DU07) or parameter unit (FR-PU07)
on the enclosure surface ......................................................................................................... 32

RS-485 terminal block ............................................................................................................. 32

Communication operation........................................................................................................ 32

2.4

Connection of motor with encoder (vector control) ....................................... 33

2.5

Connection of stand-alone option units .......................................................... 40

Connection of the dedicated external brake resistor (FR-ABR) .............................................. 40

Connection of the brake unit (FR-BU2) ................................................................................... 42

Connection of the brake unit (FR-BU/MT-BU5)....................................................................... 44

Connection of the brake unit (BU type) ................................................................................... 46

Connection of the high power factor converter (FR-HC/MT-HC)............................................. 46

Connection of the power regeneration common converter (FR-CV) ....................................... 48

CONTENTS