Annex M - General purpose versus safety logic solvers

Annex M - General purpose versus Safety Logic Solvers 

NOTE - Annex M is referenced in the foiiowing Ciause 4.3 and Annex F.3. 

Programmable Electronic (PE) logic solvers have played an important part in process safety for thirty years. In the last decade, industry has been inundated with new terms and requirements as the functionai safety standards evolved. ANSI/ISA-84.00.01-2004-1 requires the foiiowing  

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