Table Of Contents - Mitsubishi Electric FR-A700 Instruction Manual

1 OUTLINE
1.1 Product checking and parts identification ........................................................ 2
1.2 Inverter and peripheral devices .......................................................................... 3
1.2.1 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
1.4.1 Inverter installation environment................................................................................................ 8
1.4.2 Cooling system types for inverter enclosure............................................................................ 10
1.4.3 Inverter placement ................................................................................................................... 10
2 WIRING
2.1 Wiring.................................................................................................................. 14
2.1.1 Terminal connection diagram .................................................................................................. 14
2.1.2 EMC filter ................................................................................................................................. 15
2.2 Main circuit terminal specifications ................................................................. 16
2.2.1 Specification of main circuit terminal ....................................................................................... 16
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring. ........ 17
2.2.3 Cables and wiring length ......................................................................................................... 22
2.2.4 When connecting the control circuit and the main circuit separately
to the power supply (separate power) ..................................................................................... 26
2.3 Control circuit specifications ........................................................................... 28
2.3.1 Control circuit terminals ........................................................................................................... 28
2.3.2 Changing the control logic ....................................................................................................... 31
2.3.3 Control circuit terminal layout .................................................................................................. 33
2.3.4 Wiring instructions ................................................................................................................... 34
2.3.5 When connecting the operation panel using a connection cable ............................................ 35
2.3.6 RS-485 terminal block ............................................................................................................. 35
2.3.7 Communication operation........................................................................................................ 35
2.4 Connection of motor with encoder (vector control) ....................................... 36
2.5 Connection of stand-alone option units .......................................................... 43
2.5.1 Connection of the dedicated external brake resistor (FR-ABR)
(FR-A720-00900 (FR-A740-00440) or less) ............................................................................ 43
2.5.2 Connection of the brake unit (FR-BU2) ................................................................................... 46
2.5.3 Connection of the brake unit (FR-BU/MT-BU5) ....................................................................... 48
2.5.4 Connection of the brake unit (BU type) ................................................................................... 50
2.5.5 Connection of the high power factor converter (FR-HC/MT-HC)............................................. 50
2.5.6 Connection of the power regeneration common converter (FR-CV)
(FR-A720-02150 (FR-A740-01100) or less) ............................................................................ 52
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CONTENTS
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