Traditional safety systems have a centralized architecture, meaning that a large processor unit runs hundreds of safety instrumented functions (SIF). Modern safety systems have a distributed architecture where multiple smaller processor units execute dozens of SIFs....
Imagine leaving some of your portable electronics out on a hot day. Now imagine leaving it out in a desert in the Middle East in the middle of an extremely hot summer. How long do you think it would last? Emerson's David Walker told the story, DeltaV SIS in the Heat...
The annual Emerson Exchange technical conference is now just a week away. We hope you'll be able to join us in historic, San Antonio Texas for this exchange of expertise. If you're involved in process safety at your plant with equipment such as furnaces, boilers,...
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....
Emerson's Mike Boudreaux shared a Control Engineering Asia article written by the renowned process safety expert, Paul Gruhn. The article, Providing Process Safety, analyzes some of the latest trends in safety instrumented systems (SIS) designs for the process...
Last Friday I highlighted thoughts from Emerson process safety expert, Len Laskowski in the post, Executing IEC 61511 Process Safety Projects. He shared more than I could fit in a single post, so today's post will share the balance. One of the points made by the...
ControlGlobal.com has an excellent article on the global process safety standard, IEC 61511. The article, IEC 61511 Implementation - The Execution Challenge, shares the experiences of two Mustang Engineering process automation project veterans. I turned to one of...
The Flow Control magazine website has a great Safety Instrumented Systems Primer interview with Emerson's Mike Boudreaux. You may recall Mike and his views on process safety and safety instrumented systems in earlier posts. If you're not already steeped in the...
InTech magazine has a web exclusive on the importance of safety valves in a safety instrumented system. The article, Valve failure: Not an Option, describes methods of implementing partial stroke testing (PST) to reduce the probability of failure upon demand, average...
Update: A blog visitor asked about the volume tank sizing calculations, Here's a link to the Fisher Type 377 Trip Valve Bulletin which includes volume sizing calculations on page 8. I saw a great process safety article in InTech magazine titled, When failsafe isn't...
Emerson's Dale Perry alerted me to a great article on safety-certified sensors in the November 2008 issue of Control Engineering magazine. Dale manages the Emerson's pressure measurement line of products. The article, Practice Safe Sensing; Safety-certified sensors...
I'm lucky enough to receive a copy of Andrew Bond's Industrial Automation Insider newsletter each month through an Emerson subscription agreement. Andrew covers the happenings among the automation suppliers and standards bodies. You can also find some of Andrew's...
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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.