摘要
文章分析了GB16899-2011《自动扶梯和自动人行道的制造与安装安全规范》中曳引电机由静态元件供电的要求,讨论了使用两个和一个电源接触器切断曳引机供电的线路。并优先使用一种两个电源接触器切断供电的线路,设计了该线路的一种PLC控制电路,讨论了其起动和停止的控制过程。并给出了PLC控制梯形图程序的结构图。
This paper elaborates several forms of traction machine power supplied via static device base on the GB 16899-2011 〈 Safety rules for the construction and installation of escalators and moving walks 〉, discusses the power supply circuits of using two and one power contactor to cut off the traction machine, prioritize the circuit shut down by two power contactor, its PLC control circuitwas designed. The control process of its start and stop are discussed. And ladder diagram procedure of PLC control structure is presented.
出处
《中国特种设备安全》
2014年第2期9-12,共4页
China Special Equipment Safety
