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CONTENTS
1OUTLINE 1
1.1 Product checking and parts identification .............................................................. 1
1.2 Inverter and peripheral devices.............................................................................. 2
1.2.1 Peripheral devices ..................................................................................................................... 3
1.3 Method of removal and reinstallation of the front cover ......................................... 4
1.4 Installation of the inverter and enclosure design.................................................... 6
1.4.1 Inverter installation environment................................................................................................ 6
1.4.2 Cooling system types for inverter enclosure.............................................................................. 9
1.4.3 Inverter placement................................................................................................................... 10
2WIRING 12
2.1 Terminal connection diagram............................................................................... 12
2.2 Main circuit terminal specifications ...................................................................... 13
2.2.1 Specification of main circuit terminal ....................................................................................... 13
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring ......... 14
2.2.3 Cables and wiring length ......................................................................................................... 16
2.2.4 When connecting the control circuit and the main circuit separately
to the power supply ................................................................................................................. 19
2.3 Control circuit specifications ................................................................................ 20
2.3.1 Control circuit terminals ........................................................................................................... 20
2.3.2 Changing the control logic ....................................................................................................... 23
2.3.3 Control circuit terminal layout .................................................................................................. 25
2.3.4 Wiring instructions ................................................................................................................... 25
2.3.5 When connecting the operation panel using a connection cable ............................................ 26
2.3.6 RS-485 terminal block ............................................................................................................. 26
2.3.7 Communication operation........................................................................................................ 27
2.3.8 USB connector ........................................................................................................................ 27
2.4 Connection of motor with encoder (vector control) .............................................. 28
3 PRECAUTIONS FOR USE OF THE INVERTER 35
3.1 EMC and leakage currents .................................................................................. 35
3.1.1 Leakage currents and countermeasures ................................................................................. 35
3.1.2 EMC measures........................................................................................................................ 37
3.1.3 Power supply harmonics ......................................................................................................... 39
3.1.4 Harmonic suppression guideline .............................................................................................39
3.2 Power-off and magnetic contactor (MC) .............................................................. 41
3.3 Inverter-driven 400V class motor ......................................................................... 42
3.4 Precautions for use of the inverter ....................................................................... 43
3.5 Failsafe of the system which uses the inverter .................................................... 45
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