Advanced Sensor Technology in Safety Instrumented Functions – From the Emerson Automation Expert Blog

Article written by Jim Cahill, Julie Valentine, Meha Jha on 10/25/2021 – Read the Original Article


The safety instrumented function, or safety loop, is comprised of a sensor, logic solver and final element. Sensing the shutdown condition requires highly reliable sensors. In a Process Engineering article, Improve the reliability of safety instrumented systems with advanced measurement technologies, Emerson’s Julie Valentine and Meha Jha share how technology advancements combined with best practices helps drive process safety improvements.

They open highlighting an Industrial Info resources statistic that showed that:

…unexpected refining outages have soared in recent years, surpassing 2,000 incidents in 2019, quadruple 2015 levels…

Also, from the Offshore Reliability Database…


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