IMDSI14由山西润盛进出口有限责任公司销售
同样运行串口监控软件,打开编程软件联机,点程序读取,再输入密码1234,如果读出了程序,那就不用解了。如果显示密码错误,那就看看监控软件里的数据.查找1234这个字符串,在含有1234的字符后会有一行PLC返回的表示密码错误的信息,把这行错误信息记录下来。然后打开VB,做个小工程:让电脑发那行含有1234的字符串到串口,当然,要有个循环语句,就是把1234改成从0000到FFFF,让电脑不停的尝试。用IF语句把返回的信息和刚才记录下来的那条错误信息比较,如果信息不同则停止尝试,试到的密码就是PLC的密码了。NIB HONEYWELL RM7824 A 1016 AUTOMATIC PRIMARY BURNER CONTROL
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