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azw1111
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樓主  發(fā)表于: 2015-05-13 20:06
壇里有沒(méi)有人用過(guò)這種光電開(kāi)關(guān)？DC24V激光漫反射光電開(kāi)關(guān) 激光傳感器 四線(xiàn)常開(kāi)+常閉通用 NPN PNP ，知道的請推薦品牌及型號，謝謝！
圖片是在淘寶找的，實(shí)體店沒(méi)有找到哪里有賣(mài)。
711022027
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1樓  發(fā)表于: 2015-05-13 20:12
買(mǎi)過(guò)二個(gè)對射的，這個(gè)容易受變頻器干擾。后來(lái)拆了不用了�？赡�?chē)a(chǎn)技術(shù)不過(guò)關(guān)吧。
azw1111
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2樓  發(fā)表于: 2015-05-13 20:27
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