基于 CANopen 协议的高效 PDO 传输从站设计
기우 CANopen 협의적고효 PDO 전수종참설계
Efficient PDO Transmitted Slave Station Design Based on CANopen Protocol
  • 万方数据
    计算机与现代化 계산궤여현대화
    COMPUTER AND MODERNIZATION
    2013年 12期 114-118 ,共5页

    赵灿%王晓年%朱劲%王祝萍

    조찬%왕효년%주경%왕축평

    CAN总线%CANopen协议%PDO%I/O模块 CAN總線%CANopen協議%PDO%I/O模塊
    CAN총선%CANopen협의%PDO%I/O모괴
    CAN bus%CANopen protocol%PDO%I/O module
    针对CAN现场总线的应用层CANopen协议，设计一种高效PDO传输的从站系统。本文通过对DS401规范的研究，在兼容SDO和PDO访问规范的同时，提出优化PDO传输效率的方案；构造基于CANopen协议的远程I/O采集模块的实现方法，给出详细的对对象字典实时读写的接口设计和访问流程。
    침대CAN현장총선적응용층CANopen협의，설계일충고효PDO전수적종참계통。본문통과대DS401규범적연구，재겸용SDO화PDO방문규범적동시，제출우화PDO전수효솔적방안；구조기우CANopen협의적원정I/O채집모괴적실현방법，급출상세적대대상자전실시독사적접구설계화방문류정。
    Focusing on the CANopen protocol of application layer of CAN fieldbus , we designed a kind of efficient PDO transfer scheme for slave station system .Based on the research of DS401 specification, and compatibility with SDO and PDO access spec-ification at the same time , this paper submitted the scheme which optimizes the PDO transmission efficiency .Besides , it con-structed interface implementation of remote I/O module, and gave a detailed design and access process on real-time reading and writing of the object dictionary .
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