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4线的光电开关的黑线标的L.ON\D.ON是什么意思
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4线的光电开关的黑线标的L.ON \ D.ON是什么意思
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light on or dark on 亮动暗动的意思，即输出高低电平的转换控制。不同品牌的定义可能有所不同，IMS传感器是通过悬空和接地两种方式来选择高低电平的。 light on 意指通光输出为高。 dark on意指通光输出为低...
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