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FR-
BIF
IM
FR-
BLF
FR-
BLF
Do not earth (ground) shield but connect
it to common cable of signal.
Install filter
(FR-BLF)
on inverter input side.
Inverter
power supply
Install FR-BIF filter
on inverter input side.
Control
power supply
Do not earth (ground)
control box directly.
Do not earth (ground)
control cable.
Control box
Reduce carrier
frequency.
Inverter
Power supply
for sensor
Install filter
(FR-BLF)
on inverter output side.
Motor
Use 4-core cable as motor
power cable and use one wire
as earth (ground) wire.
Use twisted pair shield cable.
Sensor
Separate inverter and power
line 30cm (11.8inches) or more
(at least 10cm (3.93inches)) from
sensor circuit.