直流接地電圧について
Thread Content
正極の接地電圧は0V、負極の接地電圧は24Vなのに、なぜ正負両極間の電圧が測定できないのですか？
システム自体の接地状態はどうなっていますか？
同じ電源モジュールから出ている24VDCの正負ですか？
どうして正極がアースに対して0Vになるの？
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