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shendezhi
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樓主  發(fā)表于: 2010-09-18 22:53
請教怎么用PLC測電機轉速   我自己弄個(gè)個(gè)程序,編碼器是一轉600個(gè)脈沖的,我不知道里面怎么算,才得到實(shí)際轉速,那位大師指教一下
附件: 計數3.zip (3 K) 下載次數:112
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shendezhi
級別: 略有小成
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發(fā)帖數量: 45 個(gè)
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1樓  發(fā)表于: 2010-09-21 22:04
你好,我是用編碼器測馬達的轉速,編碼器一轉的脈沖式600個(gè)。1樓說(shuō)的應該是對的吧,我還沒(méi)試,多謝了
shendezhi
級別: 略有小成
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2樓  發(fā)表于: 2010-09-24 23:37
多謝1樓冰糖的答案。我用600/轉的脈沖編碼器去測轉速測速時(shí)間是0.1秒,算出來(lái)實(shí)際轉速是對了,我又用2000/轉的編碼器去測,用0.1秒測出來(lái)的值乘以2000再除以2000   測出來(lái)的值與實(shí)際值只差幾轉,應該也是對的, 那我能不能用30毫秒的時(shí)間去測,編碼器還是用2000/轉,算出來(lái),轉速還是差不多,
附件: 編碼器2000的測轉速.zip (4 K) 下載次數:58
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