/community-hubs/deltav-community-connect/b/safety-weblog/posts/understanding-functional-safety-concepts-and-final-element-suitabilityRiyaz Ali The world of functional safety has its own tribal language and acronyms, e.g. safety instrumented systems (SISs), safety instrumented functions (SIFs), logic solvers, final elements (FEs), safety integrity level (SIL), probability of failureen-USTelligent Community 13