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小蜜蜂
你讓我滾，我滾了。你讓我回來(lái)，對不起，滾遠了...
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樓主  發(fā)表于: 2025-01-10 20:46
一個(gè)兩線(xiàn)制的4-20mA壓力變送器，沒(méi)有壓力是用信號發(fā)生器3.95mA，變送器到PLC一百米距離，導致接入西門(mén)子PLC讀到的數值小于4毫安對應的5530，這個(gè)是變送器的問(wèn)題？還是距離遠的問(wèn)題呢？
eledesigner
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1樓  發(fā)表于: 2025-01-13 09:21
變送器有誤差啊，修正一下

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