Instruction manual

Table Of Contents
INSTALLATION AND WIRING
29
z Data line filter
Noise entry can be prevented by providing a data line filter for the detector cable etc.
z Example of measures against noises
FR-
BLF
FR-
BLF
Install filter (FR-BLF,FR-
BSF01) to inverter input side.
Control box
Reduce carrier
frequency.
Install filter (FR-BLF,FR-BSF01)
to inverter output side.
Use 4-core cable for motor
power cable and use one
cable as ground cable.
Use twisted pair
shielded cable.
Sensor
Do not ground shield but connect
it to signal common cable.
Do not ground control box directly.
Do not
g
round control cable.
Control power
supply
Separate inverter and power line
30cm (11.81 inches) or more
(at least 10cm (3.94 inches))
from sensor circuit.
Install capactor type filter
to inverter input side.
Inverter power
supply
Power
supply for
sensor
Inverter
Motor