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コレクタスイッチを接続するリレーには、追加の電源が必要ですか?

2017-09-13View Original

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液面スイッチのコレクタスイッチ信号をリレーに接続する場合、液面スイッチのコレクタ信号をそのままリレーの入力端子に接続すればよいのでしょうか、それとも両者の間に電源を挿入する必要があるのでしょうか?この電源はリレーに必要な電圧ですか?
Reply #22017-09-13
図のリレーとコレクタスイッチの間にも、あの電源を追加する必要がありますか?

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