The communication model of industrial Ethernet for process control is pointed out based on the analysis of fieldbuses for process control and Ethernet Powerlink that is one of industrial Ethernet for manufacture automation.

• 基于对过程现场总线和用于制造自动化的工业以太网Ethernet Powerlink的分析,提出了用于过程控制现场的工业以太网通信模型,并进行了详细分析。