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wsm15
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樓主  發(fā)表于: 2014-04-14 18:42
請問(wèn)大家歐姆龍EE-SX671-WR S48d光電開(kāi)關(guān)有四根線(xiàn)，該怎么接PLC��？謝謝了！
xiejun8103
三人行,必有我師
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1樓  發(fā)表于: 2014-04-20 12:40
通常四線(xiàn)的一般帶一組NO NC 其它兩根為電源  棕+   蘭-    黑NO   白NC  
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