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楊欣
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樓主  發(fā)表于: 2011-03-01 11:20
請教高手個(gè)問(wèn)題，我有個(gè)項目自動(dòng)時(shí)用壓力傳感器控制變頻控制，手動(dòng)時(shí)用電位器控制 ，會(huì )有沖突嗎，另外壓力傳感器是三線(xiàn)制的，0到10V,和電位器怎么接線(xiàn)呢
xubaolin
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1樓  發(fā)表于: 2011-03-01 11:44
自動(dòng)控制時(shí)用壓力傳感器變送器輸出的電壓或電流去控制變頻器的轉速，手動(dòng)時(shí)用轉換開(kāi)關(guān)切換手動(dòng)，用電位器去控制變頻器的轉速。

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