exida Recorded Webinars

Voting Configuration Decision Factors

Recording Date: July 2020

Determining the optimal voting configuration for a Safety Instrumented Function (SIF) can be confusing. This webinar will identify some reasons why the SIF voting is not the same as the logic configuration. We will also consider some common sensor and final element configurations and evaluate the impact of voting decisions on the PFDavg and MTTFS. Finally, some tips will be provided to help the end user define the voting for more complex arrangements.

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About the Presenter:

Denise Chastain Knight, P.E., CFSE, CCPSC

Denise Chastain Knight Denise Chastain Knight P.E., CFSE, CCPSC has 31 years’ experience in engineering design, process improvements, process risk analysis and safety instrumented system implementation.  Her recent responsibilities included coordination of risk management, process safety management, combustible dust and functional safety programs for a global consulting, design, design-build, operations, and program management firm. She has been technical lead for IEC 615811 compliance projects in the oil& gas, chemical and power industries for clients in multiple countries.  Denise holds a BS in Chemical Engineering from Georgia Institute of Technology and is an inductee of the Council of Outstanding Young Engineering Alumni. She was voted Georgia’s Young Engineer of the Year in 1994, past chair of the NCEES PE Chemical Engineering Exam Development Committee, chaired the AIChE Body of Knowledge Development Team, and an AIChE Fellow. Denise represents exida on the Center for Chemical Process Safety (CCPS) Technical Steering Committee.