1. Functional safety

1.1 Defining functional safety

In its standards interpretation guide IEC 61508 and 61511 The ISA France section defines functional safety as: "The subset of overall safety that depends on the correct operation of a system or piece of equipment in response to its inputs".

L' IEC 61511 :2016 defines functional safety as: "A subset of...

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Functional safety

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Bibliography

(1) - ISA France - . – Guide d'interprétation et d'application de la norme IEC 61508 et des normes dérivées IEC 61511 (ISA S84.01) et IEC 62061 (2005).
(2) - CCPS - Layer of protection analysis. - Simplified Process Risk Assessment (2001).

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