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gfrtcfr
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樓主  發(fā)表于: 2011-01-11 10:28
我用的壓力傳感器量程是0----100MPa,輸出電流是4-20mA,我想問(wèn)下:如果在觸摸屏上顯示出多少MPa ???我這樣編程對嗎?



如果不對,要如何改????
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njaolian
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1樓  發(fā)表于: 2011-01-13 11:16
樓主,說(shuō)明一點(diǎn),不要用浮點(diǎn)數來(lái)算,先乘后除
你的20mA對應4000對應100M
4mA對應0對應0M,
程序部分自己轉化,這不難,自己動(dòng)手吧
njaolian
新年快樂(lè ),恭祝大家出門(mén)撿錢(qián)包。凡是撿到錢(qián)包的,分我一半,哈哈
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2樓  發(fā)表于: 2011-01-13 11:17
引用
引用第5樓ysheng9099于2011-01-11 20:51發(fā)表的  :
僅供樓主參考 [attachment=54057]

2AD的偏置何增益是電位器調整的
你給別人的程序不是2AD用的,解決不了樓主的問(wèn)題

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