The product and service roadmap sessions are typically the most highly attended sessions at Emerson Exchange. Attendees are anxious to understand the forward paths for these products and services. You might have already read about this year's DeltaV SIS roadmap...
partial stroke test
Failure Modes of Positioners in Safety Applications
A few weeks ago, I highlighted a thread from the ISA Safety email list on partial stroke testing using control valve positioners. A few weeks later, this thread is still going strong. Emerson's Riyaz Ali sent me some of the recent exchanges. A concern was expressed...
Addressing Safety Valve Opening Times with Partial Stroke Tests
A question came into the ISA's Safety email list concerning the use of valve positioners in partial stroke tests for valves used in safety shutdown applications. The person asking the question wrote: I was informed that PST using positioner such as the Fisher/Emerson...
ARC Update on DeltaV SIS
ARC Advisory Group's recently published ARC View, Emerson Brings DeltaV SIS into the Future with Version 11 Release, describes the continuing advancements of the DeltaV SIS safety instrumented system. DeltaV SIS launched over 5 years ago and this whitepaper provides...
Integrated Control and Safety System CapEx and OpEx Considerations
Process automation systems and safety instrumented systems (SIS) have been changing with the rapid pace of technology change. An ARC Advisory Group whitepaper, Business Issues Driving Safety System Integration, outlined some of the various ways automation suppliers...
Using HART Diagnostics in Your Safety Instrumented Systems
Emerson's Alan Harris has written a new whitepaper, DeltaV SIS HART Capabilities. It describes various HART capabilities that can be used with the DeltaV SIS system as well as HART diagnostics implementation best practices. For those unfamiliar with HART, the HART...
Methods for Testing Safety Critical Loops
A big thanks to Emerson's Mike Boudreaux for his guest post while I'm out this week. Jim is on vacation this week. He knows that I always have something to say about process safety and functional safety, and so he's agreed to let me to fill in for him as a guest...
Positioners and Partial Stroke Tests in Safety Applications
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...
Solutions for SIS and Foundation Fieldbus
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...
Partial-Stroke Tests, Proof Tests, and Smart Positioners in Safety Applications
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...
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