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Mitsubishi Electronics
FR-D740-012
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Справочник Пользователя для Mitsubishi Electronics FR-D740-012
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1 OUTLINE
1
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 enclosure................................................................................. 10
1.4.3
Inverter placement ........................................................................................................................ 11
2 WIRING
13
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 .............................................................................................................. 17
2.3 Control circuit specifications ........................................................... 20
2.3.1
Control circuit terminal .................................................................................................................. 20
2.3.2
Changing the control logic ............................................................................................................ 22
2.3.3
Wiring of control circuit ................................................................................................................. 24
2.3.4
Wiring instructions ........................................................................................................................ 28
2.3.5
Connection to the PU connector................................................................................................... 29
2.4 Connection of stand-alone option unit ............................................. 31
2.4.1
Connection of a dedicated external brake resistor (MRS type, MYS type, FR-ABR)
(FR-D720-025 or more, FR-D740-012 or more, FR-D720S-025 or more) ................................... 31
2.4.2
Connection of the brake unit (FR-BU2) ........................................................................................ 33
2.4.3
Connection of the high power factor converter (FR-HC) .............................................................. 34
2.4.4
Connection of the power regeneration common converter (FR-CV) ............................................ 35
2.4.5
Connection of a DC reactor (FR-HEL).......................................................................................... 35
3 PRECAUTIONS FOR USE OF THE INVERTER
37
3.1 EMC and leakage currents................................................................ 38
CONTENTS
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