Research On Software System For Redundant Communication Controller Of Metro ICSC

With the development of computer control technology and communication technology to develop very quickly, more and more DCS systems are becoming complex and huge scale, big SCADA system is becoming the basis requirement of present and future .The objective of this paper is for solution of redundant relative issues during design and achieve of MACS-SCADA, a large scale distribute integrated supervision-control system. Based on analyze and research for kinds of redundant architecture of real projects, bring forward a design and achieve scenario for redundant communication controller which can apply to kinds of redundant architecture in traffic branch. The scenario can detect failure and switch exactly and fast according to configuration information and real status information to ensure whole system running stability and reliability. The main topic of this paper is selection of redundant link, strategy of primary-standby detection and switch smoothly.