分散控制系统中I/O模件通信实现方法分析  

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

作　　者：吴胜华[1] 王丹麟[1] 

机构地区：[1]国电南京自动化股份有限公司研究院,江苏南京210003

出　　处：《华电技术》2011年第11期61-62,87,共2页HUADIAN TECHNOLOGY

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。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.

关 键 词：分散控制系统 过程控制站 I/O模件 负荷 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]