What does Route 2H means in IEC 61508 Certification?
What is Route 2H approach and what requirements exida established to interpret Route 2H for certification? An element (e.g. a sensor) is able to meet the requirement of hardware safety integrity architectural constraints in IEC 61508 by implementing one of the two possible routes (IEC 61508-2, 7.4.4): 1H, by looking at Safe Failure Fraction (SFF)…