Based on discussion on several common elevator door lock circuits with software, this paper points out some hidden peril of the accident in such circuits, and designs a circuit using PLC.
常见的电梯门锁安全电路中，门锁继电器在多种情况下都可能产生误动作，存在事故隐患。
Based on discussion on several common elevator door lock circuits with software, this paper points out some hidden peril of the accident in such circuits, and designs a circuit using PLC.
常见的电梯门锁安全电路中，门锁继电器在多种情况下都可能产生误动作，存在事故隐患。
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