IEC 61511, Functional safety: Safety instrumented systems for the process industry sector, was recently released and is available on the IEC Website (www.iec.ch). This standard is well ..
IEC 61511, Functional safety: Safety instrumented
systems for the process industry sector, was recently
released and is available on the IEC Website (www.iec.ch).
This standard is well written and contains a lot of useful
information about how to implement the safety life cycle. It
contains three parts. Part one is the normative part, the
part with the requirements. Part two contains more detailed
explanations of what is meant by part one. Part three
contains explanations of various safety integrity level (SIL)
selection methods. All in all, the standard provides a great
deal of useful information.
A recent survey indica
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