很珍贵的资料，本人花了近一年的时间才稿定了，这个主要说明cip控制协议在linux的编程说明及数据包装。先上转read数据包装方式，有空再上传write的。

Bernd Barsuhn (bdbarsuh@cip.informatik.uni-erlangen.de) and Volker Weiss (vrweiss@cip.informatik.uni-erlangen.de).

TuxEIP is a communications library that facilitates communications to Allen Bradley Controllers, using it, a programmer can write programs to Read/Write controller/program scoped tag data in the following PLC : ControlLogix, PLC5, SLC500, Micrologix,