Wiring Inside And Outside The Control Panel; Control Panel Inside Wiring; Control Panel Outside Wiring - Mitsubishi Electric GOT2000 Series Hardware User Manual

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8.4

Wiring Inside and Outside the Control Panel

Control panel inside wiring

As shown in the following figure, power lines, including power cables and servo amplifier driving cables, and communication
cables, including bus connection cables and network cables, must not be mixed.
Mixing the power lines and communication cables may cause a malfunction due to noise.
When devices that generate surge noise, including a molded case circuit breaker (MCCB), electromagnetic contactor (MC),
relay (RA), solenoid valve, and induction motor, are used, a surge suppressor is effective.
For the surge suppressor, refer to the following.
Page 327 Attaching a Surge Suppressor to Control Equipment
Separately wired power lines and
communication cables
Inside control panel
Power cable
NFB
PLC I/O wire
MC
MC
RA
Driving
control line
Terminal block

Control panel outside wiring

To lead the power line and the communication cable outside the control panel, open cable holes at two separate places to
lead the cables separately out.
When the cables are led out through the same cable hole for wiring reasons, the cables are more easily affected by noise.
Wiring the power lines and the communication
cables outside the control panel
Communication
cable
Separate the power line and communication cable each other 100 mm or more in the duct.
When the cables are close each other for wiring reasons, use a separator (made of metal).
Doing so reduces the noise influence.
Wiring of power line and communication cable in the duct
100 mm or more
8 WIRING OF POWER SUPPLY SECTION
326
8.4 Wiring Inside and Outside the Control Panel
Mixed power lines and
communication cables
Power cable
GOT
connection
cable
NFB
RA
MC
Power line
Power line
Cable hole
Wiring duct
Power line
Signal
wire
Power line
Inside control panel
GOT
connection
cable
PLC
I/O wire
MC
RA
RA
Driving
control line
Terminal block
Communication cable
Separator
Communication
cable

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