二线制HART总线的设计及物理层测试  

HART Equipment Physical Layer Test

作　　者：李军 Li Jun(Microcyber Corporation,Shenyang,Liaoning,110179)

机构地区：[1]沈阳中科博微科技股份有限公司,辽宁沈阳110179

出　　处：《中国仪器仪表》2021年第7期69-72,共4页China Instrumentation

摘　　要：HART总线通信为了能够满足不同设备厂商的HART总线仪表可以同时接入总线网络,HART总线需要满足一定的物理层测试要求,使HART总线仪表具有一定的可靠性和互操作性。本文介绍了二线制HART总线的设计原理,及物理层测试的主要内容和相关特性。HART bus In order to meet the HART equipment from different manufacturers can access the bus network at the same time.HART bus needs to meet requirements of physical layer test, so that HART bus equipment have reliability and interoperability. This paper introduces the design of two-wire HART equipment and rerelated characteristics of HART bus physical layer test.

关 键 词：HART总线 物理层测试 可靠性 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]