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mistyke
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樓主  發(fā)表于: 2018-06-15 13:04
請教一下，有沒(méi)有哪種傳感器可以檢測下面這個(gè)東西。
物體是帶燈的有顏色的按鈕開(kāi)關(guān)，檢測的是它通電后燈有沒(méi)有亮。
fcq417
14年plc工程實(shí)踐教學(xué),QQ(微信):2252241236
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1樓  發(fā)表于: 2018-06-16 11:49
指示燈亮與滅，兩個(gè)狀態(tài)，不一定要檢測亮度，可以檢測狀態(tài)就可以了，靈活應用。
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