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樓主  發(fā)表于: 2019-10-31 10:39
用PLC 控制正反轉電動(dòng)閥實(shí)現恒定值控制

請大家幫幫忙提提建議，用PLC 控制正反轉電動(dòng)閥實(shí)現恒定值控制。     壓力傳感器檢測管道要實(shí)時(shí)壓力，控制正反轉電動(dòng)閥  的開(kāi)閉  ，實(shí)現管道壓力一定的恒定。  電動(dòng)閥 不是比例閥 無(wú)法進(jìn)行開(kāi)度控制。
大鵬90后
冰凍三丈，非一日之寒
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1樓  發(fā)表于: 2019-10-31 14:21
你可以先把壓力傳感器的數值換算一下然后做一個(gè)比較，設定一個(gè)值大于多少開(kāi)小于多少關(guān)

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