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Posts Tagged ‘layers of protection analysis’

Wired Versus Wireless Risk Analysis for Process Instrumentation Measurements

Posted in Safety on Monday, October 27th, 2014. 3 comments so far
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How does wireless communications compare against wired communications for process instrumentation? That was the subject of an Emerson Exchange presentation by Kenexis’ Ed Marszal and Emerson’s Gary Hawkins. Their presentation, Risk analysis of wired versus wireless transmission of process measurements was recently narrated by Ed as an encore presentation and uploaded to YouTube. In this […]

Field Device Sharing Between Control and Safety Systems

Posted in Measurement, Safety on Thursday, February 10th, 2011. No comments yet
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Emerson’s Mike Boudreaux has been receiving great questions on process safety and the IEC 61511 global safety standard during some of the recent Safety Lifecycle Seminars. He’s written a post to address one of them: A very common topic of discussion is the sharing of field devices between the basic process control system (BPCS) and […]

Safety Instrumented Function-Focused Approach

Posted in Project Services, Safety on Thursday, July 8th, 2010. No comments yet
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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. The topic of their presentation was SIL Determination: an Integrator’s Perspectives. From the IEC 61511 safety […]

Executing IEC 61511 Process Safety Projects

Posted in Project Services, Safety on Friday, May 21st, 2010. No comments yet
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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 Emerson’s certified functional safety experts (CFSE) and long-time process safety veteran, Len Laskowski, for his thoughts on […]

Control Systems for SIL 1 Safety Applications?

Posted in Safety on Friday, March 5th, 2010. 4 comments so far
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I received a great question today about the safety integrity level (SIL) of a distributed control system (DCS). In this case, the question was specific to the DeltaV system: Can you please advise if the Emerson DeltaV DCS has a SIL rating i.e. ‘0’ or ‘1’? I understand that the DeltaV SIS has a SIL […]