发明公开
EP2956394A4 ELEVATOR SAFETY CIRCUIT 审中-公开
安全电路用于升降机

ELEVATOR SAFETY CIRCUIT
摘要:
An elevator safety circuit includes a plurality of relays; safety logic for monitoring status of the plurality of relays, the safety logic generating an output signal in response to the status of the plurality of relays; and a processor controlling operation of an elevator drive in response to the output signal; wherein at least one of the relays is a forced guided relay and at least one of the relays is other than a forced guided relay.
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