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fayahui
做人要厚道，做事要詭道
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樓主  發(fā)表于: 2011-04-14 06:57
如題，我所知道的有1改PLC本體的編程口接線(xiàn)和編程數據線(xiàn) 2破壞編程口，還有其他的方法如軟件和硬件上請各位都來(lái)討論哦
pretco123
不為失敗找理由，只為成功找方法
級別: 論壇先鋒

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1樓  發(fā)表于: 2011-04-14 08:39
主要加密的因由是保證成果的抄襲,防止居心不良者利用.對技術(shù)人員,甚至工控業(yè)內也是一種初步的防御,保證付出的辛勞得到認同吧!也是為了公司與公司之間的一種公平的競爭!

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