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Home2015September 2015HP Automation Safety: Conducting audits to confirm safety standard compliance

September 2015

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HP Automation Safety: Conducting audits to confirm safety standard compliance

The ISA 84 (IEC 61511) standard on safety instrumented systems (SISs) in the process industries states that assessments and audits are required to determine that functional safety has been achieved and maintained.

Rockwell Automation: Gruhn, P.
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The Author

Gruhn, P. - Rockwell Automation, Houston, Texas

is a global process safety consultant with Rockwell Automation in Houston, Texas. He is an ISA Fellow; a member of the ISA 84 standard committee (on safety instrumented systems); a developer and instructor of ISA courses on safety systems; the author of two ISA textbooks, two chapters in other books and over two dozen published articles; and the developer of the first commercial safety system software modeling program. Mr. Gruhn has a BS degree in mechanical engineering from the Illinois Institute of Technology. He is a licensed professional engineer (PE) in Texas, and is an ISA 84 expert.

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