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lymblj
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樓主  發(fā)表于: 2008-11-18 09:35
問(wèn)一個(gè)關(guān)于編碼器的問(wèn)題



絕對值編碼器，在旋轉時(shí)發(fā)出脈沖， PLC通過(guò)計數器計量脈沖的個(gè)數，如果一會(huì )正轉一會(huì )反轉，計數器如何計量脈沖��？
有沒(méi)有三菱或西門(mén)子的例子共享一下？謝謝
philsky
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1樓  發(fā)表于: 2008-11-26 08:37
高速計數器，通過(guò)中斷更改加減計數

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