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Executive Action

Executive action means physical control function performed by the control system. In Safety Instrument System (SIS), the executive action could be shut-off the actuated valve, turn off heater, etc. In Fire and Gas System (FGS) the executive action could be extinguishant release, fire damper control, electrical isolation, firewater controls etc.

Executive action in Safety Instrument System (SIS) will be the result of upset process condition or manual initiation via push button. In Fire and Gas System, executive actions will be the result of a confirmed fire or gas detection or on manual initiation (via Manual Call Point MAC or other means)

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