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guopanke
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樓主  發(fā)表于: 2009-06-14 10:37
描述：?jiǎn)?wèn)題圖片
圖片：
如題，我最近因工作安排需要對全公司的設備ＰＬＣ做程序備份，但是本人才剛剛學(xué)習ＰＬＣ，屬于菜菜鳥(niǎo)． 期間有碰到很多ＰＬＣ無(wú)法下載程序，用解密看了也沒(méi)密碼，就是下載完是空白程序，請問(wèn)這個(gè)是什么原因呢？
guochunyi
直讀解西門(mén)屏HMI口令 。。。
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1樓  發(fā)表于: 2009-06-16 09:14
從PLC做備份，保留程序，應該是上載。
可直讀解西門(mén)屏HMI各級帳戶(hù)口令,帳戶(hù)登錄權限提升,鎖定帳戶(hù)激活。。。

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