Table Of Contents; Product Checking And Parts Identification - Mitsubishi Electric FR-D720-0.2K-G Instruction Manual

1 OUTLINE
1.1 Product checking and parts identification......................................... 2
1.2 Drive unit and peripheral devices....................................................... 3
1.2.1 Peripheral devices .......................................................................................................................... 4
1.3 Removal and reinstallation of the cover ............................................ 6
1.3.1 Front cover...................................................................................................................................... 6
1.3.2 Wiring cover.................................................................................................................................... 7
1.4 Installation of the drive unit and enclosure design ........................... 8
1.4.1 Drive unit installation environment.................................................................................................. 8
1.4.2 Cooling system types for drive unit enclosure .............................................................................. 10
1.5 Drive unit placement......................................................................... 11
1.5.1 Installation precautions ................................................................................................................. 12
2 WIRING
2.1 Wiring ................................................................................................ 14
2.1.1 Terminal connection diagram ....................................................................................................... 14
2.2 Main circuit terminal specifications ................................................ 15
2.2.1 Specification of main circuit terminal ............................................................................................ 15
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring............... 15
2.2.3 Cables and wiring length .............................................................................................................. 16
2.3 Control circuit specifications ........................................................... 18
2.3.1 Control circuit terminal .................................................................................................................. 18
2.3.2 Changing the control logic ............................................................................................................ 20
2.3.3 Wiring of control circuit ................................................................................................................. 22
2.3.4 Connection to the PU connector................................................................................................... 25
2.4 Connection of stand-alone option unit ............................................. 27
2.4.1 Connection of a dedicated external brake resistor
(MRS type, MYS type, FR-ABR) (0.4K or higher)......................................................................... 27
2.4.2 Connection of the brake unit (FR-BU2) ........................................................................................ 29
2.4.3 Connection of the high power factor converter (FR-HC2) ............................................................ 31
2.4.4 Connection of the power regeneration common converter (FR-CV) ............................................ 32
2.4.5 Connection of a DC reactor (FR-HEL).......................................................................................... 33
3 PRECAUTIONS FOR USE OF THE DRIVE UNIT
3.1 EMC and leakage currents................................................................ 36
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CONTENTS
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