Table Of Contents - Mitsubishi Electric FR-F740-00023-EC Instruction Manual

1 WIRING
1.1 Inverter and peripheral devices .......................................................................... 2
1.1.1 Peripheral devices ..................................................................................................................... 3
1.2 Wiring.................................................................................................................... 4
1.2.1 Terminal connection diagram .................................................................................................... 4
1.2.2 EMC filter ................................................................................................................................... 5
1.3 Main circuit terminal specifications ................................................................... 6
1.3.1 Specification of main circuit terminal ......................................................................................... 6
1.3.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring. .......... 6
1.3.3 Cables and wiring length ........................................................................................................... 9
1.4 Control circuit specifications ........................................................................... 12
1.4.1 Control circuit terminals ........................................................................................................... 12
1.4.2 Control circuit terminal layout .................................................................................................. 14
1.4.3 Wiring instructions ................................................................................................................... 15
1.4.4 When connecting the control circuit and the main circuit separately
to the power supply (separate power) ..................................................................................... 16
1.4.5 Changing the control logic ....................................................................................................... 18
1.5 Connection of stand-alone option units .......................................................... 20
1.5.1 Connection of the brake unit (FR-BU/MT-BU5) ....................................................................... 20
1.5.2 Connection of the brake unit (BU type) ................................................................................... 22
1.5.3 Connection of the high power factor converter (FR-HC/MT-HC)............................................. 22
1.5.4 Connection of the power regeneration common converter (FR-CV) ....................................... 24
1.5.5 Connection of power regeneration converter (MT-RC) (01800 or more)................................. 25
1.5.6 Connection of the power factor improving DC reactor (FR-HEL) ............................................ 25
1.5.7 When connecting the operation panel using a connection cable ............................................ 26
2 PRECAUTIONS FOR USE OF THE INVERTER
2.1 Enclosure design ............................................................................................... 28
2.1.1 Inverter installation environment.............................................................................................. 28
2.1.2 Cooling system types for inverter enclosure............................................................................ 30
2.1.3 Inverter placement ................................................................................................................... 30
2.2 Precautions for use of the inverter .................................................................. 32
2.3 Noise and leakage currents .............................................................................. 34
2.3.1 Leakage currents and countermeasures ................................................................................. 34
2.3.2 Inverter-generated noises and their reduction techniques ...................................................... 36
2.3.3 Power supply harmonics ......................................................................................................... 38
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