接地故障問題
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制御盤の接地不良で停止したのに、PLCから警報信号が出ないのはどういう問題でしょうか？
PLCプログラムを確認し、制御ボードの接地不良が発生した際にPLCの連鎖プログラムが起動して警報を出すよう、プログラム内にその設定が入っているかをチェックする必要があります。
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