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Entries tagged with: Layer Of Protection

Claiming alarms as an independent protection layer (IPL)

Claiming alarms as an independent protection layer (IPL)

An interesting question arose recently when creating an FSM plan:

Does the ISA-18.2 standard on alarm management address the claiming of the operator’s response to alarms as a layer of protection?

Not specifically, however the ISA-18.2 standard does require that alarms are rationalized, and that alarm system performance…

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