SIS PFD – Safety Instrumented System
The probability of Failure on Demand (PFD) calculation is carried out as part of the Safety Instrumented System (SIS) design after the LOPA/PHA study.
The probability of Failure on Demand (PFD) calculation is carried out as part of the Safety Instrumented System (SIS) design after the LOPA/PHA study.
The international standard IEC/EN 61508 has been widely accepted as the basis for the specification, design and operation of safety