零基础自学PLC入门

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 -
1.3 三极管.............................................................................................................................. - 4 -
第2 章常用继电器控制电路与相应PLC 梯形图解说..............................................................- 5 -
2.1 点动电路...........................................................................................................................- 5 -
2.2 带停止的自动保持电路..................................................................................................- 6 -
2.3 自保持互锁电路............................................................................................................. - 7 -
2.4 先动作优先电路............................................................................................................. - 8 -
2.5 后动作优先电路............................................................................................................. - 9 -
2.6 时间继电器................................................................................................................... - 10 -
2.7 计数器.............................................................................................................................- 12 -
第3 章PLC 编程相关软件安装....................................................................................................- 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GX Developer8.31 中文版编程软件的使用...