Conference Proceedings Paper
SOFTWARE-BASED ANNUNCIATOR REPLACEMENT: A TALE OF TWO PROJECTS
35th Annual CNS Conference - 2015 May 31 - June 3
G. Simmons (Westinghouse Electric Company)
Annunciator upgrade projects are often included as parts of operating plant life extension projects as the systems are old and replacement parts are difficult to source. This paper contains case studies of the software-based annunciator replacement projects at the Westinghouse SNUPPS training simulator in Pennsylvania and the Axpo Beznau nuclear power plant in Switzerland. Software-based annunciator systems can offer a number of feature enhancements including improved readability and operator awareness, easy configuration, alarm suppression features, and alarm management at operator workstations. This paper provides an overview of each project and discusses advantages, challenges, and lessons learned from both annunciator replacement projects.
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