摘要
分析了PLC程序设计中常见的常开触点与常闭触点分不清、使用不当的问题。并介绍了如何避免这一问题的办法,对解决类似问题提出了启示。
Article analyzes the common problems in PLC program design,that the normally open contact and the normally closed contact of confusion,improper use,and introduced the methods about how to avoid this problem,puts the enlightenment to solve similar problems.
出处
《工程建设与设计》
2012年第4期187-189,共3页
Construction & Design for Engineering
关键词
PLC程控设计
常开触点
常闭触点
PLC program design
normally open contact
normally closed contact