PLC梯形图的三种顺序控制设计法  

Three sequential control design methods of PLC ladder diagram

作　　者：左毅[1] 陈燎原[1] 

机构地区：[1]安徽理工大学,232001

出　　处：《机床电器》2007年第2期43-46,共4页Machine Tool Electric Apparatus

摘　　要：本文以西门子S7-200型号PLC为例,用一个具体的实例介绍了PLC梯形图的三种顺序控制设计方法。通过比较分析,归纳总结了三种设计方法的不同编程思想和特点。This paper introduces three sequential control design methods of PLC ladder diagram with an example, which based on the example of the kind of S7 -200 PLC from SIEMENS. Through comparison and analysis, the different characteristics and programming thoughts of the three design methods are summarized.

关 键 词：PLC 梯形图 顺序控制 顺序功能图 SCR指令 

分 类 号：TM571.61[电气工程—电器]