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chenyan
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樓主  發(fā)表于: 2013-05-17 10:42
怎么用plc測量得出電機的速度啊，要什么其他的元器件啊，電機內部沒(méi)有什么位置元件
wsnmhb
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1樓  發(fā)表于: 2013-05-21 00:08
裝編碼器看脈沖與轉速，然后算

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