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樓主  發(fā)表于: 2008-05-15 15:04
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    我系剛學(xué)PLC不久,,,,想請教西門(mén)子的速度模塊怎樣轉換和計算出用頻率的出速度
  用變頻器來(lái)控制電機,電機的轉盤(pán)半徑25MM.
請指教

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