从零基础自学PLC入门教程.pdf

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1、第1章PLC周边常用器件介绍及简单应用..............................................................................-1-1.1按钮开关...........................................................................................................................-1-1.2继电器.......................

2、.......................................................................................................-2-1.3三极管..............................................................................................................................-4-第2章常用继电器控制电路与相应PLC梯形图

3、解说..............................................................-5-2.1点动电路...........................................................................................................................-5-2.2带停止的自动保持电路.................................................

4、.................................................-6-2.3自保持互锁电路.............................................................................................................-7-2.4先动作优先电路..............................................................................

5、...............................-8-2.5后动作优先电路.............................................................................................................-9-2.6时间继电器..................................................................................................

6、.................-10-2.7计数器.............................................................................................................................-12-第3章PLC编程相关软件安装............................................................................................

7、........-13-3.1三菱PLC编程工具的安装...........................................................................................-14-3.2安装USB转串口芯片PL2303驱动..............................................................................-22-第4章三菱GXDeveloper8.31中文版编程软件的使用.......

8、....................................................-23-4.1创建工程文件.....................................................................................................