One of my first assignments as a newly minted Electrical Engineer was to tend to a triple modular redundant (TMR) safety instrumented system (SIS) on an offshore Gulf of Mexico oil & gas gathering facility. This was back in the 1980s when these systems were...
Andy Crosland
Safety Logic Solver Validation on Logic Updates
The global safety standard IEC 61511 Functional safety - Safety instrumented systems for the process industry sector describes the validation process. The objective of the requirements of this clause is to validate, through inspection and testing, that the installed...
Improving Process Safety without a Calculator
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...
Safety Instrumented Function-Focused Approach
Update and Bump: Here's information on Russell's and Andy's UK Safety Seminar Series. Emerson process safety experts Russell Cockman and Andy Crosland recently presented at the Institution of Chemical Engineers (IChemE) North West Members Group in the United Kingdom....
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.