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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
zhouzhengguo
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1樓  發(fā)表于: 2011-04-15 21:27
沒(méi)必要加密?吹亩木蜁(huì )自己編,看不懂的你給他看也沒(méi)用啊,再說(shuō)用自己編的程序運行時(shí)可能還有點(diǎn)成就感呢。
zhouzhengguo
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2樓  發(fā)表于: 2011-04-15 21:31
前天我給別人修一臺用三菱PLC做的電路時(shí)就發(fā)現程序里面做了一個(gè)小小的手腳。會(huì )玩的人一看就知道的。所以沒(méi)必要的。

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