This article mainly elaborated transforms four electrical machinery's control circuits with Mitsubishi PLC. Introduced the transformation design process, system's composition, the black-white control electric circuit's analysis, the PLC I/O allocation wiring, the PLC programming and the analysis and so on.
key word: Sequential control Mitsubishi PLC Control system
目录
摘 要 I
Abstract I
目录 II
引言 1
一、电路设计分析 1
1．主电路的分析 1
2．控制电路的分析 1
二、控制电路的改造 2
1、系统改造的方法 2
2、硬件设计 2
3、软件设计 3
4、程序梯形图的解析 5
结论 6
参考文献 6
