Table Of Contents - Mitsubishi Electric FR-E720-008 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 Removal and reinstallation of the cover............................................ 5
1.3.1 Front cover ..................................................................................................................................... 5
1.3.2 Wiring cover.................................................................................................................................... 7
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 panel ....................................................................................... 10
1.4.3 Inverter placement ........................................................................................................................ 11
2 WIRING
2.1 Wiring ................................................................................................ 14
2.1.1 Terminal connection diagram ....................................................................................................... 14
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 .............. 16
2.2.3 Cables and wiring length .............................................................................................................. 18
2.3 Control circuit specifications .......................................................... 22
2.3.1 Control circuit terminal .................................................................................................................. 22
2.3.2 Changing the control logic ............................................................................................................ 25
2.3.3 Wiring of control circuit ................................................................................................................. 27
2.3.4 Safety stop function (available only for the safety stop function model) ....................................... 31
2.3.5 Connection to the PU connector................................................................................................... 33
2.4 Connection of stand-alone option unit............................................. 35
2.4.1 Connection of a dedicated external brake resistor (MRS type, MYS type, FR-ABR) (FR-E720-
030(SC) or more, FR-E740-016(SC) or more, FR-E720S-030 or more, FR-E710W-030 or more)..
35
2.4.2 Connection of the brake unit (FR-BU2) ........................................................................................ 37
2.4.3 Connection of the high power factor converter (FR-HC) .............................................................. 38
2.4.4 Connection of the power regeneration common converter (FR-CV) ............................................ 39
2.4.5 Connection of the DC reactor (FR-HEL)....................................................................................... 39
3 PRECAUTIONS FOR USE OF THE INVERTER
3.1 EMC and leakage currents ............................................................... 42
CONTENTS
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