Village every building entrance, elevator lobbies main public areas are closed-circuit television, camera systems and warning systems.
村内每一座大楼的出入口、电梯大堂等主要公共区域设有闭路电视、摄像系统及报警系统。
As machinery and equipment manufacturing, general elevator control circuit and insurance purposes.
作为机械设备制造中，一般电梯的控制电路和保险之用。
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。
After hardware electric circuit conjunction good, delivering the control procedure toward to the PLC, it can complete co trol of the elevator well via the logic in advance.
在硬件电路连接好后，向PLC传送编好的控制程序，它能按预先的逻辑较好地完成电梯的控制。
Application: it's used to indicate the fault of equipments like the electric circuit in air-conditioning room or elevator for passenger or goods.
应用：用于指示空调房间电气线路、乘客和货物的提升等设备的故障。
Application: it's used to indicate the fault of equipments like the electric circuit in air-conditioning room or elevator for passenger or goods.
应用：用于指示空调房间电气线路、乘客和货物的提升等设备的故障。
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