NetLinx开放网络关键技术研究  

Key technology of NetLinx open network

作　　者：佟为明[1] 李凤阁[1] 孙凡金[1] 苗立杰[2] 程树康[1] 

机构地区：[1]哈尔滨工业大学罗克韦尔实验室,黑龙江哈尔滨150001 [2]哈尔滨电站设备集团公司,黑龙江哈尔滨150040

出　　处：《哈尔滨工业大学学报》2004年第10期1328-1330,1387,共4页Journal of Harbin Institute of Technology

基　　金：国家高技术研究发展计划资助重大项目 ( 2 0 0 1AA5 0 15 2 2 );黑龙江省重点科技攻关项目 (GB0 2A10 3 )

摘　　要：研究了DeviceNet,ControlNet和EtherNet/IP的特点、应用背景及其基本技术 ,介绍了NetLinx中CIP协议的功能、组成及其实现 ,阐述了NetLinx各层网络的媒体访问控制机制MAC :DeviceNet的带冲突检测的载波侦听多路访问 /仲裁报文优先权CSMA/AMP机制 ,ControlNet的隐性令牌传递机制 ,EtherNet/IP的带冲突检测的载波侦听多路访问CSMA/CD仲裁机制 .NetLinx是解决不同工业控制网络互连 ,实现各层网络间高效、快速。The features, application background and the basic technology of DeviceNet, ControlNet and EtherNet/IP are studied. Functions, constitution and implementation of control information protocol(CIP) in NetLinx are introduced. Media access control(MAC) mechanism of each network of NetLinx is described, such as the CSMA/AMP (Carrier Sense multiple Access with Collision Detection/Arbitration Message Priority) mechanism of DeviceNet, the implicit token-passing mechanism of ControlNet and the CSMA/CD (Carrier Sense multiple Access with Collision Detection) mechanism of EtherNet/IP. NetLinx is an effective resolvent to solve the interconnection of different industrial network and implement effective, fast and reliable data transmission and seamless control data flow and information flow.

关 键 词：NetLinx开放网络 DEVICENET CONTROLNET Ethemet/IP CIP MAC 媒体访问控制机制 隐性令牌传递机制 带冲突检测 

分 类 号：TP316.81[自动化与计算机技术—计算机软件与理论]