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yangzuofei
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樓主  發(fā)表于: 2008-08-12 23:26
把編碼器拆下來(lái)，在不斷電的情況下，用手轉動(dòng)編碼器，同時(shí)觀(guān)察屏幕顯示的數據，看有沒(méi)有變動(dòng)，如數據不變動(dòng)，該編碼器就是壞的，如有變動(dòng)，就證明該編碼器是好的
lishlish
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1樓  發(fā)表于: 2008-08-17 00:32
有時(shí)有電磁干擾,無(wú)法判斷,有時(shí)有電磁干擾,無(wú)法判斷,有時(shí)有電磁干擾,無(wú)法判斷,有時(shí)有電磁干擾,無(wú)法判斷,

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