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Posts Tagged ‘safety instrumented system’

Remote Partial Proof Testing Level Sensors

Posted in Level, Safety on Friday, June 30th, 2017. No comments yet
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For safety instrumented functions (SIFs), proof testing is the process of identifying undetected dangerous failures in the sensor, final control element and logic solver which comprise the SIF. Dangerous failures are those that could put the safety instrumented system (SIS) in a hazardous or fail-to-function state. If undetected, in the case of level measurements, this […]

Instrumentation Diagnostics and Safe, Reliable Operations

Posted in Safety, Temperature on Friday, June 2nd, 2017. One comment so far
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As technology has advanced in power and sophistication, its ability to self-diagnose and perform predictive diagnostics has too. In a Plant Engineering article, Using diagnostic functions to improve system safety, Emerson’s Mark Menezes shares examples of how these diagnostics are used to self-diagnose instrumentation problems as well as those in the surrounding production process. He […]

Optimizing Safety Instrumented System Proof Testing

Posted in Safety on Monday, May 8th, 2017. No comments yet
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If you are new to the world of process safety, you quickly learn that it has its own jargon with phrases such as safety instrumented functions, proof test intervals, PDFavg, etc. A Flow Control magazine article, Ensuring safety compliance with optimized proof testing, written by Emerson’s Afton Coleman, Erik Mathiason and Tonya Wyatt does a […]

5 Questions for Digital Valve Controller and Safety Expert Riyaz Ali

Posted in Controllers & Positioners, Safety on Wednesday, May 3rd, 2017. No comments yet
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Let’s continue our 5 Questions for an Emerson Expert podcast series with our guest, Riyaz Ali. You may recall Riyaz from numerous posts about digital valve controllers and final control elements in safety instrumented system applications. He has almost 40 years’ experience in process control instrumentation and holds numerous patents related to use of digital […]

Level Switch Diagnostics for Remote Proof Testing and Instrument Health

Posted in Level on Wednesday, March 22nd, 2017. One comment so far
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Many of the “things” in the Industrial Internet of Things are the sensors that measure not only operating, but also safety-, reliability- and efficiency-related parameters from a manufacturing and production facility. In a Process Industry Informer article, Enhanced Diagnostics Help To Ensure Reliable Level Monitoring, Emerson’s Marianne Williams shares how technology advancements in vibrating fork […]