exida Recorded Webinars

Designing a Useful and Effective Proof Test

Recording Date: June 2015

Proof testing is an important part of the management of safety instrumented functions. As an activity required by the functional safety standards, more and more end users are implementing proof tests, but there is often confusion on what should be included in the test and what coverage should be claimed. This webinar will look at techniques to determine what functionality to test as well as coverage. The webinar will also map failure modes from components, to devices, and to elements to illustrate how accurate proof test coverage values can be determined.

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About the Presenter:

Chris O'Brien, CFSE

Chris O'Brien Chris O’Brien is a Partner with exida. He has over 30 years of experience in the design,manufacturing, and marketing of process automation, reserve power systems, and safety related equipment. His main focus includes supporting new and existingcustomers with their implementation of the IEC 61508 and IEC 61511 functional safetystandards, as well as reliability analysis for mechanical devices. Mr. O’Brien is the author of “Final Elements and the IEC 61508 and IEC 61511 Functional Safety Standards” and has been awarded 5 patents, including a patent for the industry’s first safety rated pressure transmitter.