目 录
摘 要 ...............................................................................................................................II
1 可编程控制器概述及构成原理.........................................................................................1
1.1 可编程控制器产生及定义 ........................................................................................1
1.2 可编程控制器特点 ....................................................................................................2
1.3 可编程控制器应用及发展 ........................................................................................3
2 PLC 控制系统设计概述.....................................................................................................5
2.1 PLC 控制系统设计规定 .............................................................................................5
2.2 PLC 系统设计流程图 .................................................................................................5
2.3 可编程控制器控制系统设计基本环节 ....................................................................7
3 电气功能重要分析和特点..............................................................................................11
3.1 C650 型卧式车床重要构造及运动状况 .................................................................11
3.2 车床对电力拖动规定 ..............................................................................................12
3.3 控制线路特点与电气线路概述 ..............................................................................12
4 硬件概述..........................................................................................................................17
4.1 PLC 类型简介 ..........................................................................................................17
4.2 PLC 特点 ...................................................................................................................17
4.3 选配 PLC 型号 ..........................................................................................................18
4.4 车床控制 PLC 电气原理图及 I/O 分派图 ..............................................................19
4.5 外部硬件接线电路 ...................................................................................................20
5 软件概述..........................................................................................................................21
5.1 S7－200 PLC 编程软件 STEP 7-Micro/WIN 简介 .................................................21
5.2 梯形图 ......................................................................................................................21
结 论..............................................................................................................................23
致 谢..............................................................................................................................24
