关于“电工学”课程中PLC内容的教学实践

Teaching Practice on Programmable Logic Control in the Electrotechnician Course

本文介绍了"电工学"课程的可编程控制器的工作特点,分析了典型问题产生的原因及其避免措施。在和设计PLC控制电路时,往往忽视临的串行工作方式,结果造成电气控制达不到预期目的,甚至造成事故。并结合具体实例说明,目的是引起从事本课程教学和实践的有关人员重视。

This paper analyzed the critical competition in the design of electric appliance control of circuit with contact.The critical competition usually be ignored in practical application.This paper illustrated the phenomenon's essential and gave different methods to resolve it.