用Ethernet+TCP/IP构建现场实时通信网络平台

摘要

分析了Ethernet和TCP/IP技术给现场实时通信网络带来的影响，介绍了具有Ethernet网络接口和TCP/IP协议功能的现场智能设备的硬件组成、通信协议层次模型、协议构成和协议数据格式，描述了现场智能设备中发送和接收数据的实现过程。%The impact on field real-time communication brought by Ethernet and TCP/IP is analyzed. The hardware structure, model of communication protocol, composition of protocol, and format of protocol data of field intelligent device with interface of Ethernet and TCP/IP protocol are introduced. The process of transmitting and receiving data is also described.