Omron C200HE-CPU11 Installation Manual page 88

Wiring
External Wiring
Interlock Circuits
76
If power cables must be run alongside the I/O wiring (that is, in parallel with it), at
least 300 mm must be left between the power cables and the I/O wiring as shown
below.
Low current cable
Control cable
Power cable
Where: 1 = I/O wiring
2 = General control wiring
3 = Power cables
If the I/O wiring and power cables must be placed in the same duct (for example,
where they are connected to the equipment), they must be shielded from each
other using grounded metal plates.
1
Where: 1 = I/O wiring
2 = General control wiring
3 = Power cables
When the PC controls an operation such as the clockwise and counterclock-
wise operation of a motor, provide an external interlock such as the one
shown below to prevent both the forward and reverse outputs from turning
ON at the same time.
00501
PC
00502
1
300 mm min.
2
300 mm min.
3
Class-3 ground
2 3
Class-3 ground
Interlock circuit
MC2
MC1
MC1
MC2
Section 3-2
Metal plate (iron)
200 mm min.
Motor clockwise
Motor counterclockwise