| 引入以太网技术是现场总线技术发展的一个必然趋势 |
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| 引用本文： | 李嘉,杨佃福. 引入以太网技术是现场总线技术发展的一个必然趋势[J]. 自动化仪表, 2001, 22(5): 1-4,8 |
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| 作者姓名： | 李嘉 杨佃福 |
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| 作者单位： | 清华大学自动化系, |
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| 摘 要： | 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路线实现无缝连接，发展的趋势是以太网越来越向底层延伸。还介绍了现场总线基金会的HSE和PROFIBUS联合会的PROFIBUS以太网发展计划。
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| 关 键 词： | 现场总线 以太网 高速以太网 交换技术 |
Citing Ethernet Technology is an Inexorable Trendof Developing Fieldbus Technology |
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| LI Jia,Yang Tianfu. Citing Ethernet Technology is an Inexorable Trendof Developing Fieldbus Technology[J]. Process Automation Instrumentation, 2001, 22(5): 1-4,8 |
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| Authors: | LI Jia Yang Tianfu |
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| Abstract: | 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． |
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