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Basic Configuration
1.1 Basic Configuration
Power supply
Use within the permissible power supply specifications of the
inverter. (Refer to page 178.)
No-fuse breaker or earth leakage circuit breaker
The breaker must be selected carefully since an inrush current
flows in the inverter at power-on. (Refer to page 22.)
Magnetic contactor
Do not use this magnetic contactor to start and stop the inverter.
Doing so will cause the inverter life to be shorter. (Refer to page
22.)
Installation of reactors
The reactors must be used when the power factor is to be
improved or the inverter is installed near a large power supply
system (500kVA or more and wiring distance within 10m). Make
selection carefully. (Refer to page 22.)
Devices connected to the output
Do not connect a power factor correction capacitor, surge
suppressor or radio noise filter to the output side.
Earth (Ground)
To prevent an electric shock, always earth (ground) the motor and
inverter.
For reduction of induction noise from the power line of the
inverter, it is recommended to wire the earth (ground) cable by
returning it to the earth (ground) terminal of the inverter.
(For details of noise reduction techniques, refer to page 28.)
REMARKS
•When using the PLC function, refer to page 35 for wiring and to page 98 for details.
•When using the CC-Link function, refer to page 36 for wiring and to page 140 for details.
(MC)
(NFB)
or
(ELB)
AC reactor
(FR-BAL)
Earth
(Ground)
Earth (Ground)
DC reactor
(FR-BEL)
Inverter
The inverter life is influenced by ambient temperature. The
ambient temperature should be as low as possible within the
permissible range. (Refer to page 4.)
Wrong wiring might lead to damage of the inverter. The control
signal wires must be kept fully away from the main circuit to
protect them from noise. (Refer to page 5.)