三面组合机床电气控制系统设计|PLC毕业论文|自动化毕业论文-设计|自动化毕业论文网 关键词 : PLC ,旋转编码器 ,光电开关 [gap=708]Keywords : PLC , Photoelectricity encoder, Photoelectricity switch
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Two doors interlock each other though photoelectricity switch, automatically open and close, convenient for people (goods) to enter or exit.
通过光电感应开关实现两门互相联锁,自动开闭,为人(货)进出提供便利。
The paper provides us with the idea of using photoelectricity reflective on-off switch to control alarm circuit with the characteristics of high sensitivity and favourable concealment.
利用反射式光电开关的电路的通断来控制报警电路,有灵敏度高、隐蔽性好的特点。
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