Emerson's Riyaz Ali, whom you may recall from earlier posts, wrote an Inside Functional Safety article recently titled, Digital Technology: A remedy for sick shutdown valves in Safety Instrumented System (SIS) applications. The paper is available for purchase from...
Emerson's Mike Boudreaux pointed me to a great article written by ISA84 committee member, Paul Gruhn. The article, Safety, Security groups form joint working group, describes the reasons for the ISA84 Process Safety standards group and the ISA99, Industrial Automation...
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...
Charles Fialkowski's blog post last week, To Integrate or not to integrate Safety and Control describes some of the continued discussions going on concerning separation of the safety instrumented systems (SIS) and basic process control systems (BPCS). He wrote: Today,...
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 DeltaV SIS product manager, Mike Boudreaux, whom I've featured in several process safety-related posts, manages two great sources of information on safety instrumented systems (subscribe) and process safety. My subscription to the safety instrumented systems...
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...
Before the holidays, Dave Harrold wrote a post, A Wee Bit More About Safety Instrumented Systems, in his Dave @ AFAB Group blog. He describes his work with Dr. Angela Summers, founder/president of SIS-Tech Solutions on a guidelines book for the global IEC 61511 safety...
I recently heard a presentation from one of our Chemical industry experts, Peter Cox, an Operations Consultant based in our Emerson Belgium office. Peter spent 14 years with BASF in various engineering and management positions before joining Emerson. One of the key...
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