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achang945
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樓主  發(fā)表于: 2015-01-13 11:45
CP1HX型直流PLC，怎么做可以監視24V直流蓄電池的電量，電量低于一定值后給出輸出，還需要加什么東西？
行天下1021
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1樓  發(fā)表于: 2015-04-22 11:50
引用
引用第7樓llyyll于2015-01-29 14:51發(fā)表的  :
用電壓轉換器，0-100V輸入0-10V輸出，接到PLC的模擬量輸入，非常精準。

我也準備采用這種方式，但是這個(gè)測電壓還是沒(méi)法知道電量是多少��？不知道有什么高見(jiàn)沒(méi)？

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