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qiang2751290
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樓主  發(fā)表于: 2013-07-10 09:46
各位大俠,關(guān)于4-20mA模擬量對應6400-32000如何轉換成實(shí)際工程值。

例如,電流2A-3.5A的電流經(jīng)過(guò)轉換要在觸摸屏上顯示。
huyou
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1樓  發(fā)表于: 2013-07-10 16:12
要看觸摸屏本身有無(wú)線(xiàn)性轉換和偏置,不一定要在PLC程序里編程
[fly]忽悠,接著(zhù)忽悠……[/fly]

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