引入以太网技术是现场总线技术发展的一个必然趋势

Citing Ethernet Technology is an Inexorable Trend of Developing Fieldbus Technology

工业控制领域需要一种高速廉价的网络。在过去几年 ,以太网标准有了许多进步 ,特别是确定性、速度和信息优先级等方面。交换技术的快速发展大大消除了以太网应用于控制领域的障碍。目前许多组织和公司致力于将以太网与现场总线实现无缝连接 ,发展的趋势是以太网越来越向底层延伸。

People need a high speed and low cost network in process control area. In the past several years, the standard of Ethernet had been improved much especially on determination, speed and information priority. Because of the rapid development of the exchanging technology the impediment of adopting Ethernet in control area is eliminated greatly. Recently, many organizations and companies are working on the implementation of seamless connection of Ethernet and fieldbus. This developing trend makes Ethermet extend into lower layer. The paper introduced the Ethernet developing plans, HSE from Fieldbus Foundation and PROFIBUS form PROFIBUS Federation.