4.1 Wiring Precautions
4.1.1 General Precautions
4-3
To ensure safe, stable application of the servo system, observe the following precautions when
wiring.
• Use the cables specified by Yaskawa. Design and arrange the system so that each cable is
as short as possible.
Refer to the following section for information on the specified cables.
Chapter 2 Selection
• Perform all wiring so that stress is not applied to the signal cables.
• Always use a molded-case circuit breaker (1QF) or fuse to protect the servo system from acci-
dents involving different power system voltages or other accidents.
• Install an earth leakage breaker.
The SERVOPACK does not have a built-in ground fault protective circuit. To configure a safer
system, install a ground fault detector against overloads and short-circuiting, or install a ground
fault detector combined with a molded-case circuit breaker.
• Do not turn the power supply ON and OFF more than necessary.
Do not use the SERVOPACK for applications that require the power supply to turn ON and OFF
frequently. Such applications will cause elements in the SERVOPACK to deteriorate.
Important
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