题目内容：
可编程控制器的特点有哪些?
参考答案：
选择题：可编程控制器的特点有哪些?
- 题目分类：电气控制及PLC
- 题目类型：选择题
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Don’t waste your time or energy on such a subject.
Don’t waste your time or energy on such a subject. Try to find something ____ re
3、 Murder, the criminal felt, was a winter occupat
3、 Murder, the criminal felt, was a winter occupation—dark deeds were suited( )
His father had a ________ life when he was young.(
His father had a ________ life when he was young.(本题3.5分) A、 suffered B、 cruel
分析点动控制电路的工作原理。
分析点动控制电路的工作原理。
两台电机要求能同时启动和同时停止，并能分别启动和分别停止。两台电机都具有短路、过载保护。试采用PLC
两台电机要求能同时启动和同时停止，并能分别启动和分别停止。两台电机都具有短路、过载保护。试采用PLC控制，请画出主电路、PLC接线图、PLC梯形图。