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渤海邊
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樓主  發(fā)表于: 2011-01-18 12:22
有一FX1N PLC感應器輸入信號后，PLC輸入沒(méi)有反應，輸入指示燈也不亮。（確認有信號）后來(lái)短接X(jué)001和COM后輸入信號指示亮。在接回感應器后正常。這是為什么呢？
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1樓  發(fā)表于: 2011-01-18 18:06
感應器的型號不對，或接線(xiàn)錯誤

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