EtherNet/IP protocol and CIP protocol object model are analyzed. The message encapsulation is also analyzed by the data captured. The method of Socket programming on Linux and method of realization of EtherNet/IP protocol are given.

• 分析了EtherNet/IP协议、CIP协议对象模型,根据实际数据分析了报文封装,给出了Linux下Socket编程方法和EtherNet/IP协议的实现方法。