846-847 / 973
a CSA International company
Conclusion
Using Annex A Table requires deep knowledge in
electronics analysis to select the appropriate DC figure.
Less competent assessors will lead to produce high
uncertainty in the SIL calculation.
Working FMEA is time consuming, for high dense ICs.
Conducting FMEA for type B product must work in parallel
with SW analysis to identify if diagnostic measures used.
Insertion test results must be provided for every claimed
diagnostic block.