按钮开关在PLC中实现非闭锁到闭锁功能的应用

摘要

阐述SIEM ENS PLC 中实现按钮开关非闭锁到闭锁的控制原理及编程方法，并说明了多种调试步骤。%This paper illuminates the principle and programming method of using push button switch to make not interlock change into interlock in SIEM ENS PLC ,and gives the concrete steps of debugging .