PFDavg Explained: 6 Essentials for Getting Started with SIL Calculations
This beginner-friendly guide explains what PFDavg (Probability of Failure on Demand) means in functional safety, how it's calculated, and why it matters under IEC 61511. With clear examples, key definitions,…
Proof Testing of SIFs: Understanding Its 3 Purposes and Its Importance
Proof testing ensures your Safety Instrumented Functions (SIFs) work when needed by uncovering hidden faults. Learn why proof tests are crucial for lowering PFDavg and maintaining Safety Integrity Level (SIL)…
