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Your company has started the journey for compliance to the IEC 61511 safety lifecycle, but it’s a long and arduous path to get organizational alignment around the benefits of the safety lifecycle.  So, what’s a relatively quick win you could get that will help demonstrate to management some of the end game benefits?  You’ve identified all of your SIFs and are testing them, and so far you’ve collected 3 failures.  Is this good?  Is this bad?  How do we quickly assess?  If we simply calculate the percentage of failures out of total devices tested, it’s a very small figure, and management might incorrectly jump to the mindset of “let’s start extending test intervals.”  What if we could quickly and easily identify a simple pass/fail target of number of failures/year for your SIF field devices?