目 录
1. 绪 论..........................................................................................................................................1
1.1 引言....................................................................................................................................2
2. PLC 简介...................................................................................................................................3
2.1 基本概念............................................................................................................................3
2.2 可编程控制器的发展历程................................................................................................4
2.3 PLC 的应用.........................................................................................................................5
3. PLC 的结构及原理.....................................................................................................................7
3.1 PLC 的分类.........................................................................................................................7
3.2 PLC 的结构.........................................................................................................................8
3.3 PLC 的工作原理.................................................................................................................9
3.4 PLC 汇编语言...................................................................................................................10
3.5 PLC 基本指令...................................................................................................................12
3.6 设计编程器件..................................................................................................................15
4. 设计与编程..............................................................................................................................16
4.1 设计要求..........................................................................................................................16
4.2 控制时序..........................................................................................................................17
4.3 接线图..............................................................................................................................18
5.控制程序设计............................................................................................................................19
5.1 梯形图编程......................................................................................................................19
6. 结束语......................................................................................................................................24
致谢..................................................................................................................................................25
参考文献..........................................................................................................................................26