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      1. 氣動調節閥的控制應該如何進行?

        發布時間:2020-04-01    來源:    瀏覽次數:502

        氣動調節閥想要安全的使用,那么就要掌握氣動控制閥的控制方法,那么氣動調節閥的控制如何進行呢?下面一起來了解下吧。

        氣動調節閥的開度范圍為0-100%,假設此時現場閥門開度為X,控制系統的模擬量輸出為Y。因此,由線性轉換公式可得,(Y-6400)/(32000-6400)=X/(100-0),整理得Y=X/100×25600+6400。是否正確,用幾個數據來驗證。假如X=0%,Y=6400,經D/A轉換后為4mA。假如X=25%,Y=12800,經D/A轉換后為8mA。假如X=50%,Y=19200,經D/A轉換后為12mA。假如X=75%,Y=25600,經D/A轉換后為16mA。假如X=100%,Y=32000,經D/A轉換后為20mA。由此可見,此公式成立。 
        由上述可知,模擬量輸出換算公式已知,于是只需進行編程即可。 


        更多氣動調節閥資訊點擊:http://www.staciesmadness.com

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