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quq125
級別: 探索解密
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發(fā)帖數量: 22 個(gè)
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樓主  發(fā)表于: 2010-04-08 14:26
一設備控制箱,一臺達變頻器旁邊很近處是一OMRON的PLC,用了4年多,一直很正常,最近PLC的3個(gè)輸入點(diǎn)出現問(wèn)題,不給信號時(shí),PLC輸入指示燈會(huì )亮,外部信號斷開(kāi)后,其指示燈不會(huì )馬上滅。變頻器關(guān)閉后,其輸入指示燈工作正常,請問(wèn)家園的朋友是什么原因,該怎么解決,很急
llb
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1樓  發(fā)表于: 2010-04-08 14:36
換個(gè)變頻器試試,確定問(wèn)題到底在哪里。

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