目 录摘要...................................................................................................................................................................1前言...................................................................................................................................................................2第一章 PLC 概述........................................................................................................................................31.1 PLC 的概述............................................................................................................................................31.1.1 基本原理..................................................................................................................................................31.1.2 PLC 的进展简介......................................................................................................................................31.1.3 PLC 的特点..............................................................................................................................................41.2 PLC 控制..................................................................................................................................................41.2.1 PLC 的组成..............................................................................................................................................41.2.2 PLC 控制的工作过程...............................................................................................................................51.2.3 PLC 控制的优越性...................................................................................................................................61.2.4 PLC 的分类及编程语言...........................................................................................................................71.3 PLC 在机械手中的应用.........................................................
