低温ポンプを起動すると、なぜPLCホストが停止してしまうのか
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寒さのためポンプのモーター軸受が凍結し、起動するとなぜPLCのCPUが動作を停止するのか
それほど関係ないでしょう。PLCとモーターの電源が同じ回路なのかどうかで、モーターが回転不能になると電源電圧が下がり、その結果PLCの電源が切れるのです。
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