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xiangshuidrc
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樓主  發(fā)表于: 2016-11-12 16:28
變頻器恒壓供水如果選擇兩線(xiàn)式4—20ma壓力傳感器，接線(xiàn)的時(shí)候是變頻器的24V+→壓力傳感器+ 壓力傳感器-→變頻器模擬輸入端，然后變頻器的24V-和模擬輸入端的公共端短接，哪位大神能幫我解釋下這樣接線(xiàn)和壓力傳感器上的接線(xiàn)圖不一樣了啊
qyh919
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1樓  發(fā)表于: 2016-11-13 15:02
兩線(xiàn)電流信號肯定得串連
xiangshuidrc
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2樓  發(fā)表于: 2016-11-13 19:35
想知道里面電路大概是怎么走一遍的 大神就教

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