ix
Selecting, Separating, and Laying External Cables
Maintenance and Inspection Precautions
Disposal Precautions
General Precautions
Consider the following items when selecting the I/O signal lines (external cables) to connect the Machine
Controller to external devices.
• Mechanical strength
• Noise interference
• Wiring distance
• Signal voltage, etc.
Separate the I/O signal lines from the power lines both inside and outside the control box to reduce the
influence of noise from the power lines.
If the I/O signal lines and power lines are not separated properly, malfunctioning may result.
Do not attempt to disassemble the Machine Controller.
There is a risk of electrical shock or injury.
Do not change wiring while power is being supplied.
There is a risk of electrical shock or injury.
When replacing the Machine Controller, restart operation only after transferring the programs and parame-
ters from the old Module to the new Module.
If the data has not been transferred to the new module before the operation of the machine controller starts, damage to
the device may result.
Dispose of the Machine Controller as general industrial waste.
Observe the following general precautions
to ensure safe application.
The products shown in illustrations in this manual are sometimes shown without covers or protective
guards. Always replace the cover or protective guard as specified first, and then operate the products in
accordance with the manual.
The drawings presented in this manual are typical examples and may not match the product you
received.
If the manual must be ordered due to loss or damage, inform your nearest Yaskawa representative or
one of the offices listed on the back of this manual.
Steel separator
Digital I/O
signal
cables
General
control
circuit
cables
Power
circuit
cables
Example of Separated External Cables
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