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樓主  發(fā)表于: 2008-09-01 12:04
各位師傅:請問(wèn)現在的A/D或者D/A的功能�？�,有沒(méi)有軟件可以直接設置參數?如果可以的話(huà)那在PLC這邊還要不要編指令呢?比如4至20MA的電流我要在觸模屏設置加減按扭,要用什么指令才能讓他慢慢的從4MA到20MA輸出呢?謝謝
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1樓  發(fā)表于: 2008-09-01 12:07
通常用來(lái)控制薄膜閥,我要用PLC控制加或減,(控制加減輸出電流大小)要用到什么指令呢?

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