Posts Tagged ‘IEC 61511’

Cures for Common Tank Gauging Problems

Posted in Tank Gauging on Friday, November 11th, 2016. No comments yet
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Accurately knowing the level in liquid storage tanks is not only important from a safety standpoint, it’s important to know for accounting, finance, and sales perspective. Accurate and reliable tank gauging systems can improve the performance of the oil & gas, refining, chemical & petrochemical, and other industries that have these storage tanks as part […]

Embracing Safety Requirements Specifications

Posted in Safety on Monday, November 7th, 2016. No comments yet
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The Institute of Measurement and Control is hosting the Functional Safety 2016 conference this week in London. This conference seeks to engage practitioners from a wide variety of industrial sectors who have responsibilities in any functional safety lifecycle phase to share views and best practices. Emerson’s Russell Cockman is presenting Why embrace the concept of […]

Improve Safety Proof Test Capabilities with Intelligent Instrumentation

Posted in Safety on Tuesday, October 25th, 2016. No comments yet
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At the Emerson Exchange conference in Austin, Emerson’s Afton Coleman, Erik Mathiason and Tonya Wyatt presented, Improve Safety Proof Test Capabilities with Intelligent Instrumentation. Their abstract: Safety Instrumented Systems are designed to be the most critical line of defense against a catastrophic failure. Ensuring that each component of the system is working properly is required, […]

Safety Logic Solver Validation on Logic Updates

Posted in Safety on Tuesday, October 18th, 2016. No comments yet
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The global safety standard IEC 61511 Functional safety – Safety instrumented systems for the process industry sector describes the validation process. The objective of the requirements of this clause is to validate, through inspection and testing, that the installed and commissioned safety instrumented system and its associated safety instrumented functions achieve the requirements as stated […]

When is a Safety Integrity Level Rating of a Valve Required?

Posted in Final Control Element, Safety on Tuesday, November 3rd, 2015. No comments yet
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Control valves play a large role in process control. Emerson’s Riyaz Ali shared with me that he is often asked about their use in safety instrumented functions (also known as safety loops). When asked recently, he shared an ISA Safety Division newsletter from the fall of 2007. Unfortunately, I couldn’t find the newsletter in my […]