利用FPGA实现的以太网分时复用机制及其在时间服务器中的应用设计  

FPGA Based Ethernet Time Sharing Multiplexing Mechanism and Its Application Design in Time Server

作　　者：杨磊 殷仕佳 YANG Leir;YIN Shijial(Nanjing Sciyon Wisdom Technology Group Co.,Ltd,Nanjing 211102,China;Jiangsu Provincial Key Laboratory of Intelligent Control of Thermal Process,Nanjing 211102,China)

机构地区：[1]南京科远智慧科技集团股份有限公司,江苏南京211102 [2]江苏省热工过程智能控制重点实验室,江苏南京211102

出　　处：《电工技术》2023年第3期188-190,共3页Electric Engineering

摘　　要：介绍了一种利用FPGA实现的以太网分时复用机制,提出了将该机制应用到NT6000分散控制系统时间服务器中的思路,并最终实现了实际应用。首先分析了通用以太网技术的一些原理,包括TCP/IP五层模型的各个层实现方式,进而介绍了该以太网分时复用机制的具体原理,进行了优缺点分析,最后介绍了该以太网分时复用机制在NT6000 DCS系统时间服务器中的实际应用案例。An Ethernet time sharing multiplexing mechanism realized by FPGA is introduced,the idea of applying this mechanism to the time server of NT6000 distributed control system is proposed,and finally the practical application is realized.First,some principles of general Ethernet technology are analyzed,including a brief introduction to the implementation of each layer of the TCP/IP five layer model.Furthermore,the specific principle of the Ethernet timesharing multiplexing mechanism is introduced,and the advantages and disadvantages are analyzed.Finally,the practical application case of the Ethernet timesharing multiplexing mechanism in the NT6000 DCS system time server is introduced.

关 键 词：以太网 FPGA 介质无关接口 时间服务器 DCS 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]