Partial stroke test is one of the viable means to check mechanical integrity of Final Element of Safety Instrumented Function (SIF) loop. Generally, end users struggle on question of credit of PST for improvement in SIL (Safety Integrity Level). IEC 61508 and IEC...
This past Emerson Exchange conference has a treasure trove of presentations as it does every year. I've gone into the trove and mined this presentation, Measurement Diagnostics in Safety Instrumented Systems, by Emerson's Mark Menezes. The presentation is based on an...
Advanced diagnostics are improving our lives in many ways from healthcare to transportation. And in our world of process automation, they are fundamentally changing the way we operate and manage our plants. In an earlier post, A High-Speed, Statistical View for Better...
An important topic we touched on in an earlier post was process safety competency. The post, Developing Safety Competency, noted the importance of people involved in the safety lifecycle who must be competent in the areas of this lifecycle in which they interact....
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...
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...
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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.