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(5) Corrective actions
CAUTION
y
When it is assumed that a hazardous condition may take place at the occur due to a power failure or a
product fault, use a servo motor with electromagnetic brake or an external brake mechanism for the
purpose of prevention.
y
Configure the electromagnetic brake circuit so that it is activated not only by the servo amplifier signals but
also by an emergency stop.
Circuit must be
opened during
emergency stop.
y
When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before
restarting operation.
y
When power is restored after an instantaneous power failure, keep away from the machine because the
machine may be restarted suddenly (design the machine so that it is secured against hazard if restarted).
(6) Maintenance, inspection and parts replacement
CAUTION
y
With age, the electrolytic capacitor will deteriorate. To prevent a secondary accident due to a fault, it is
recommended to replace the electrolytic capacitor every 10 years when used in general environment.
(7) General instruction
y
To illustrate details, the equipment in the diagrams of this Instruction Manual may have been drawn without
covers and safety guards. When the equipment is operated, the covers and safety guards must be installed
as specified. Operation must be performed in accordance with this Instruction Manual.