如果敌人让你生气,那说明你没有胜他的把握。
对射式光电传感器的发射器和接收器是分离的。在发射器与接收器之间如果没有物体遮挡,发射器发出的光线能被接收器接收到,开关不动作,如图1(a)图所示。当有物体遮挡时,接收器接收不到发射器发出的光线,传感器产生输出信号,开关动作,如图1(b)图所示。这种光电传感器能辨别不透明的反光物体,有效距离大。因为发射器发出的光束只跨越感应距离一次,因此不易受干扰,可以可靠地用于野外或者粉尘污染较严重的环境中。
CREVIS / CC-LINK / ST-2318
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ZICON POWER SUPPLY 48V 12.9A PL600-9648