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xtl123925
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樓主  發(fā)表于: 2008-09-03 17:56
我用4DA模塊輸出0-10V電壓控制變頻器，如何用程序實(shí)現速度顯示，在觸摸屏上。請大家指點(diǎn)。
yyhexf
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1樓  發(fā)表于: 2008-09-04 10:23
就三菱A540變頻器而言，有兩種方法，1，把控制電壓轉換成速度值在屏上顯示。2，利用變頻器輸出的電壓通過(guò)A/D在屏上顯示。后一種比較接近實(shí)際值。
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