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monkeykinghy
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樓主  發(fā)表于: 2014-03-04 19:29
求助:三菱fx 128 mt plc在運行中偶爾出現運行燈滅，輸入 輸出指示燈突然全滅 ，幾秒后輸入指示燈正常！ plc 無(wú)錯誤指示！ 已檢查 plc 200v供電正常，輸入輸出24v 正常！請大家幫助分析，謝謝！
xubaolin
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1樓  發(fā)表于: 2014-03-07 09:20
6樓的說(shuō)法是對的，PLC內部的開(kāi)關(guān)電源有接觸不良的現象。

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