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Posts Tagged ‘LOPA’

Applying Layer of Protection Analysis to Driving Automobiles

Posted in Safety, Technologies on Tuesday, August 6th, 2013. No comments yet
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Emerson’s Anand Iyer applies process safety thinking to automobiles. Statistics put highway accidents as the largest human killer. More people die in automobile accidents than in the wars of the modern world, nuclear power plants or process plants. We have put in a lot of knowledge and processes into process plant technologies to make them […]

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 System Documentation Guidance

Posted in Emerson Exchange, Safety on Thursday, November 4th, 2010. No comments yet
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Ed Marszal, president of global consulting and engineering firm, Kenexis, shared his expertise in safety instrumented systems and projects in an Emerson Exchange presentation, Best Practices in SIS Documentation. Emerson’s Desmond Lee, a member of the process safety systems team for the Asia-Pacific region, was kind enough to send me his notes from Ed’s presentation […]

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 […]