Article of the month

Alarm Annunciators in SIL Safety Systems

Language: English

Alarm Annunciators are a vital tool in safety management. The need for Functional Safety assessment continuously pushes the technical performance of alarm annunciators upwards.

This paper focuses on the role of standalone annunciators. It describes basic concepts of alarm annunciators and then focuses on their application in safety-critical alarms and Layers of Protection philosophy. Operator involvement is considered in detail. Although operator puts a limit on reliability of safety ...

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