现场总线通信协议分析及现场总线技术应用

Analysis of Fieldbus Communication Protocol and Application of Fieldbus

摘要: 介绍了常用现场总线Profibus、DeviceNet和ControlNet的通信协议、其数据链路层的介质访问控制方法,以及源/目的地和发布者/接收者的通信模式,并对3种现场总线技术在烟草行业的应用及其发展方向进行了论述。

Abstract: The communication protocol, medium access control of data link layer, the communication modes of origin/destination and issuer/receiver of fieldbuses Profibus, DeviceNet and ControlNet were introduced.The application and development trends of the 3 types of fieldbus technologies in tobacco industry were discussed.