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jimy1
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樓主  發(fā)表于: 2013-08-09 22:33
現在有個(gè)松下伺服馬達，帶內置絕對編碼器的，沒(méi)有用過(guò)，不知道怎么用，誰(shuí)用過(guò)給講講
斷電后要不要把編碼器值讀到PLC里來(lái)，還是驅動(dòng)器會(huì )自己判斷位置，PLC只要照常發(fā)送命令脈沖就好了
長(cháng)沙林工
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1樓  發(fā)表于: 2013-08-12 09:37
用過(guò)三菱MR-J2S、J3的。它們都可以用于絕對位置控制。伺服放大器必須安裝鋰電池，才能斷電后記憶絕對原點(diǎn)。使用相對位置或絕對位置控制，要看機床或機械動(dòng)作要求而定。一般來(lái)說(shuō)，絕對位置控制復雜些，需要PLC的輸入/輸出點(diǎn)也多些。

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