Failure Rate Data – Don’t fake it!
Performing a Random Hardware Failures Assessment on a Safety Instrumented Function (SIF) is a key requirement specified in IEC 61508 and IEC 61511 as part of SIL Verification. This requirement ensures that that the SIF meets the required target failure meafarasure in terms of Probability of Failure on Demand (PFD) or Probability of Failure per hour (PFH) as identified… More