Post by Jeffrey Evanko

Is your "diagnostic" actually part of the safety function? 🤔 We explore this critical question in our latest blog, using power supply monitors as a real-world example. The answer has direct implications for how we calculate PFH, SFF, and DSFF, and it connects to some of the most significant changes coming in IEC 61508 revision 3 FDIS (expected for voting June 2026). If you work in functional safety, this one is worth your time. Explore more on EngineerZone Blogs and let us know your thoughts in the comments on EngineerZone! #FunctionalSafety #IEC61508 #SIL #PowerSupply #SafetyEngineering #EZBlogs #AnalogDevices #ADI