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zf831020
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樓主  發(fā)表于: 2013-07-10 07:56
1.想通過(guò)D700變頻器實(shí)現多段不同速度控制
2.使用D700變頻器保持卷絲滾筒的線(xiàn)速度恒定（卷絲滾筒卷絲后直徑不斷的變大，需要降低轉速才能保證線(xiàn)速度恒定）
zhtzht20
工程余料 三菱變頻器，PLC模塊，費斯托電磁閥
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1樓  發(fā)表于: 2013-07-14 10:33
用模擬量控制變頻器平率的輸出 在卷絲筒上面撞一個(gè)位移傳感器，0-10V 的位移傳感器，檢測卷絲筒上面的直徑，然后來(lái)調節變頻器輸出平率
低價(jià)處理PLC 光電 電磁閥，接近開(kāi)關(guān) 等工控配件

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