第1个回答 2013-11-26
Abstract the industrial control network to a key role in the industrial communication and advanced manufacturing field. The review of development history of industrial control network, focuses on the analysis of the real time communication technology of industrial Ethernet. The strength properties of real time communication will be the mainstream Industrial Ethernet classified research, it will be divided into hard and soft real-time, synchronous real-time class 3, focusing on the real-time communication mechanism respectively. It also expounds is entering the real time heterogeneous network and wireless network in the field of industrial control, finally, discussed the technology problems of industrial control network, and puts forward the new development direction.