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• Select the I/O signal wires for external wiring to con-
nect the Machine Controller to external devices
based on the following criteria:
• Mechanical strength
• Noise interference
• Wiring distance
• Signal voltage
• Separate the I/O signal cables for control circuits
from the power cables both inside and outside the
control panel to reduce the influence of noise from
the power cables.
If the I/O signal lines and power lines are not separated
properly, malfunction may occur.
Example of Separated Cables
E-10
Power cable
control circuits
CAUTION
Steel separator
I/O signal
cables in
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