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冠軍歐洲
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樓主  發(fā)表于: 2021-02-19 08:57
接常開(kāi),白色線(xiàn)不接;
接常閉,白色線(xiàn)接24V嗎?
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  • 下載積分:+1(吃鱷魚(yú)的貓) 四根線(xiàn)的傳感器其中一根 ..
    ddyy139
    級別: 工控俠客
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    1樓  發(fā)表于: 2021-02-19 12:04
    一般都是  
         棕色(+)    藍色(-)    

         黑色線(xiàn)(常開(kāi))
            NPN輸出低電平  (簡(jiǎn)單理解,有光信號后,黑線(xiàn)與藍線(xiàn)由斷開(kāi)狀態(tài)  轉為接通狀態(tài) ),
            PNP輸出高電平  (簡(jiǎn)單理解,有光信號后,黑線(xiàn)與棕線(xiàn)由斷開(kāi)狀態(tài)  轉為接通狀態(tài)),

         白色線(xiàn)(常閉)
            NPN輸出低電平  (簡(jiǎn)單理解,有光信號后,白線(xiàn)與藍線(xiàn)由接通狀態(tài)  轉為斷開(kāi)狀態(tài)),
            PNP輸出高電平  (簡(jiǎn)單理解,有光信號后,白線(xiàn)與棕線(xiàn)由接通狀態(tài)  轉為斷開(kāi)狀態(tài)),
      
    [ 此帖被ddyy139在2021-02-19 12:17重新編輯 ]
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  • 下載積分:+1(bruce2020) 熱心助人!

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