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hnwygcb009
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樓主  發(fā)表于: 2015-01-30 21:24
使用臺達DVP-04AD模塊讀取壓力變送器值，壓力變送器的量程是0至1.6Mpa，4至20毫安電流輸出，編寫(xiě)程序時(shí)看手冊有模式2（-12~+20mA),模式3（-20~+20mA），但是沒(méi)有4至20毫安的模式，請問(wèn)我做程序是選模式2還是模式3？
hsqknx
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1樓  發(fā)表于: 2015-01-30 21:29
最簡(jiǎn)單在直線(xiàn)方程你也沒(méi)知道嗎？
hnwygcb009
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2樓  發(fā)表于: 2015-02-01 21:11
不清楚才請教，如果熱心幫助，就請直接告知。

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