Posts Tagged ‘safety instrumented function’

Embracing Safety Requirements Specifications

Posted in Safety on Monday, November 7th, 2016. No comments yet
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The Institute of Measurement and Control is hosting the Functional Safety 2016 conference this week in London. This conference seeks to engage practitioners from a wide variety of industrial sectors who have responsibilities in any functional safety lifecycle phase to share views and best practices. Emerson’s Russell Cockman is presenting Why embrace the concept of […]

Testing Valves in Safety Instrumented Functions

Posted in Controllers & Positioners, Safety on Friday, August 26th, 2016. No comments yet
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Safety instrumented systems are a critical part of process manufacturers and producers overall process safety management in protecting personnel, environment, equipment, property, reputation and image. In an Offshore Engineer article, Safety Instrumented Function loop ‘final element’ problems and solutions, Emerson’s Riyaz Ali describes the importance and ways to test the final control elements in these […]

Verification in the IEC 61511 Safety Lifecycle

Posted in Safety on Wednesday, August 19th, 2015. No comments yet
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I received a great question about the application of the IEC 61511 safety lifecycle. The person noted that a question was raised after the safety integrity level (SIL) study and safety requirements specification (SRS) had been performed. The question is about the verification of these and who would need to perform them. I turned to […]

Control Valve Suitability in Safety Applications

Posted in Final Control Element, Safety on Wednesday, April 8th, 2015. No comments yet
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Sometimes an email exchange turns up something developed years ago that still has great value. So is this case with an article I received as an attachment on final control elements and their suitability in safety instrumented functions (SIFs), a.k.a. safety loops. The article, When SIL suitability is required for final control elements, was written […]

Improving Process Safety without a Calculator

Posted in Safety on Wednesday, March 4th, 2015. 2 comments so far
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If you’re not fluent in Polish, you may have missed a recent Automatyka article, Bezpieczeństwo funkcjonalne zgodne z normami [Functional Safety Compliance]. Emerson’s Andy Crosland and Ryszard Boroń wrote it and provided me an English translation of the article so that I could share with you. I’ve added some hyperlinks to some of the concepts, […]