For example, a feedback circuit is employed to detect welding of the contact point of the contactor which drives motors.
In this case, even if the contact point is welded, the Safety Relay Unit does not restart thanks to this circuit, thus ensuring safety.
However, be sure to use double contactors.
In this case, even if the contact point is welded, the Safety Relay Unit does not restart thanks to this circuit, thus ensuring safety.
However, be sure to use double contactors.
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