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Location : Home Downloads SourceCode OS program Crack Hack
  • Category : Crack Hack
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  • Update : 2013-08-11
  • Size : 60kb
  • Downloaded :1次
  • Author :xiao****
  • About : Nobody
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Introduction - If you have any usage issues, please Google them yourself
如果CP1H没有密码保护,可以使用HOSTLINK C模式或FINS模式通讯协议用VB或VC编程轻易读出程序代码。大家都知道欧姆龙的CJ1M、CP1H可以设定UM读保护和任务读保护,在上载PLC程序时,需经过编译,PLC中的机器代码转变成梯形图。当CP1H设置了密码后,就禁止了读程序代码,通过修改CP1H时序设置值,修改时序来导致PLC的看门狗出错,这时CP1H减弱了对密码保护的限制,这时就可以载 PLC中的机器代码,先不经过反编译直接打包上传到电脑中。通过分析电脑中的PLC机器代码,找出先前通过串口监视软件得到的密码保护对应的机器代码。并修改其部分功能。然后软件开发者,用自己开发的下载工具把这些经过修改的PLC机器代码下载到另外一空白的 PLC 中。
Packet file list
(Preview for download)


fx
..\frmfx.frm
..\MSSCCPRJ.SCC
..\三菱FX通讯程序.exe
..\三菱FX通讯程序.vbp
..\三菱FX通讯程序.vbw
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