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phrame
除了電氣控制，還要學(xué)機械，做全能手。
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樓主  發(fā)表于: 2011-04-22 18:51
大家好 我想了解用接近開(kāi)關(guān)怎么測電機的轉速，基本的算法是怎么樣。電機的轉速在0-600之間 。plc怎么去獲取脈沖的時(shí)間從而計算轉速的。謝謝
wwee
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1樓  發(fā)表于: 2011-04-25 01:53
可以用高速計數器
wwee
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2樓  發(fā)表于: 2011-04-25 01:54
用高速計數運算程序但要刷新

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