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歐姆龍PLC連接擴展模塊后PLC 不運行，RUN 燈不亮

發布日期：2022-04-26 點擊率：107 品牌：歐姆龍_Omron

    1.故障現象：本體工作正常，但一旦擴展口連接擴展模塊后PLC不運行，RUN燈不亮。

    2.故障原因：擴展模塊損壞，擴展模塊0V、+24V短路，導致與PLC連接時無24V工作電壓。

    3.注意事項：請確保擴展模塊的正常，可通過替換法確認擴展模塊是否正常工作。

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