华电技术 ›› 2011, Vol. 33 ›› Issue (11): 61-62.

• 技术交流 • 上一篇    下一篇

分散控制系统中I/O模件通信实现方法分析

吴胜华,王丹麟   

  1. 国电南京自动化股份有限公司研究院,江苏南京210003
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-11-25 发布日期:2011-11-25

Analysis on communication realizing methods for I/O module of distributed control system

WU Shenghua, WANG Danlin   

  1. Research Institute of Guodian Nanjing Automation Corporation Limited, Nanjing 210003, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-11-25 Published:2011-11-25

摘要: 介绍了分散控制系统中过程控制站和现场I/O模件之间的4种通信实现方法,分析了各种方法的优、缺点,供具体应用时参考。

关键词: 分散控制系统, 过程控制站, I/O模件, 负荷

Abstract: Four communication realizing methods for communication between the process control stations in DCS and the site I/O modules were introduced. The advantages and disadvantages of various methods were analyzed; and the analysis results provide a reference for concrete application of these four methods. 

Key words: distributed control system (DCS), process control station, I/O module, load