目 录目 录...........................................................................................................错误!未定义书签。摘 要.............................................................................................................................................2前 言.............................................................................................................................................31 概述..............................................................................................................................................41.1 PLC 控制系统设计概要.................................................51.2 PLC 系统设计流程图..................................................61.3 可编程控制器控制系统设计的基本步骤...................................72 电气功能主要分析和特点........................................................................................................102.1 电气原理图..........................................错误!未定义书签。2.2 控制线路特点与电气线路概述..........................错误!未定义书签。2.3 电气主要功能分析....................................错误!未定义书签。3 硬件的概述................................................................................................错误!未定义书签。3.1 PLC 类型的简介......................................错误!未定义书签。3.2.PLC 的特点..........................................错误!未定义书签。3.3 选配 PLC 型号........................................错误!未定义书签。3.4 外部接线图..........................................错误!未定义书签。4 软件的概述................................................................................................错误!未定义书签。4.1 S7-200 PLC 编程软件 STEP 7-Micro/WIN 的介绍..........错误!未定义书签。4.2 梯形图..............................................错误!未定义书签。4.3 语句表..............................................错误!未定义书签。4.4 PLC 调试过程分析.......................