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xyzenter
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樓主  發(fā)表于: 2014-06-24 09:50
采用-10V-10V接線(xiàn)方式，PLC程序中端口也設置為-10-10v模式。
用萬(wàn)用表輸入信號穩定，無(wú)明顯波動(dòng)，但是plc讀出來(lái)的數據瘋狂的變動(dòng)（都是一些-1000~32000之間的隨機數的樣子），而且整體數值隨輸入電壓變大而變大，但無(wú)法穩定下來(lái)跟輸入電壓對應。
有同行前輩遇到過(guò)這種情況沒(méi)有？如何解決？求助！

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