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catalog6. PLC發生ERR”故障指示燈有指示,怎樣找到出現故障原因?

Q:   PLC發生ERR”故障指示燈有指示,怎樣找到出現故障原因?

A:   PLC在有故障後會有相應的輸出指示Y0~Y3,根據輸出指示對照使用手冊1硬體篇

         ( 試俥、監視與維護)"章節找尋故障原因

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