6-1
Section 6 Wiring
6-1 Precautions
(1) Before removing the connector, remove the fixing screws.
(2) Communications cables must be isolated from high-voltage cables and power cables as far as possible.
Communication cables must not be run parallel with those cables.
(3) These cables should be installed as shown in the following figure. Shielding cables should be used.
Grounding
(Grounding resistance of 100 or less)
Metal plate
Communication cables Lower power cables
Control cables
Power cables
200mm or more
Communication cables
Lower power cables
Control cables
Power cables
300mm or more
300mm or more
300mm or more
1) RS-232C,RS-485
communication cables.
2) Input/output circuit. Power
supply circuit for PLC.
3) Control circuit
4) Power circuit
1)
1)
2)
2)
3)
3)
4)
4)
Grounding
(Grounding resistance of 100 or less)
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