SIF
Safety Instrumented Function
One complete protective action — sensor, logic solver and final element. For example: if vessel pressure exceeds 12 bar, close the inlet valve. A SIS is the collection of all the SIFs on a plant.
Piping inspection and supervision, explained from scratch
Safety Instrumented Function
One complete protective action — sensor, logic solver and final element. For example: if vessel pressure exceeds 12 bar, close the inlet valve. A SIS is the collection of all the SIFs on a plant.