新一代单对线以太网NG-SPE技术及在流程工业数据通信中的应用
New Generation Single-wire Pair Ethernet Technology and Application in Process Industry Data Communication
魏毅 1谢建平 2吴悦峰 2穆童2
作者信息
- 1. 中国寰球工程有限公司北京分公司,北京 100012
- 2. 华为技术有限公司,广东深圳 518129
- 折叠
摘要
回顾了流程工业两线制通信技术的发展历程,包括4～20 mA,HART,RS-485和新兴的APL/10BASE-T1L单对线以太网通信技术,以及各自的优缺点、面临的问题和后续的演进方向;重点介绍了新一代单对线以太网NG-SPE技术,以及该技术在带宽、距离、节点数和供电四个方面的均衡表现.通过与其他主流单对线技术对比后表明,新一代单对线以太网NG-SPE技术可实现在1 km内,通信速率为100 Mibit/s的数据传输,15节点接入,点到多点供电,并支持多种线缆和拓扑结构,可应用于流程工业、物联等领域,取代低速总线,利用已有线缆,实现高速远距离总线通信.
Abstract
The development history of process industry of two-wire system communication technology are reviewed,including 4～20 mA,HART,RS-485 and new APL/10BASE-T1L single-wire pair Ethernet communication technology,the individual advantages and disadvantages,encountered problems and consequence development direction.The new generation single-wire pair Ethernet NG-SPE technology is introduced with stress,and the balanced performance on the aspects of width,distance,nodes and power supply.The comparison result with other mainstream single pair technology indicates,data transmission of 100 Mibit/s within 1 km,15 nodes access,one point to multipoint power supply,and various kinds of cable and topology structure supported can be realized with new generation single pair Ethernet,and can be applied in various field such as process industry and internet of things,with replacement of low speed fieldbus.Fieldbus communication for long distance with high speed can be realized with the existing cable.
关键词
两线制通信技术/单对线以太网/NG-SPE技术/数据传输Key words
two-wire communication technology/single pair Ethernet/NG-SPE technology/data transmission引用本文复制引用
出版年
2024
NETL
NSTL
万方数据