介绍了自动化网络结构和工业以太网的优势。针时某腈纶纺丝生产线传统的控制网络通讯系统。提出基于Industrial Ethernet+Profibus—DP通信的PLc控制系统的设计。阐述了主从PLC、PLC和变额器的通信过程和网络设置以及该控制系统的软件实现。设计后系统抗干扰能力强、通讯速度快、易于扩展。

This article discussed the main problems of industrial Ethernet, such as communication uncertainty, reliability, interoperability, and so on, and made the appropriate solutions. With the industrial Ethernet switch be used, industrialEthernet has wide