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樓主  發(fā)表于: 2009-05-24 17:09
        手上有幾個(gè)同樣故障的CPM1A PLC，表現為上電后僅PWR電源及ERR錯誤兩個(gè)指示燈亮，請教該從何入手？
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1樓  發(fā)表于: 2009-05-24 22:10
PLC里有程序嗎？程序后有END指令嗎？如果有就可能是其他問(wèn)題，用串口讀出故障情報，排除故障。
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2樓  發(fā)表于: 2009-05-26 12:08
手編不通訊？還是CX-P?如果都不通訊，就需要串口調試工具，解決通訊故障。硬件問(wèn)題可能性不大！

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