Certified Functional Safety Expert Exam Study Guide Jun 2026

Ultimate Certified Functional Safety Expert (CFSE) Exam Study Guide

What is your (e.g., oil & gas, chemical, automation)?

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Closed book (standard safety formulas and specific reference sheets may be provided).

You won’t have to derive complex Markov models, but you must understand when to apply simplified equations. If you share with third parties, their policies apply

Aimed at professionals who lead, assess, and design complex safety systems. It requires a deeper conceptual understanding and the ability to apply engineering judgment. Eligibility Requirements

: Learn how voting architectures (e.g., 1oo2, 2oo3) change your SFF (Safe Failure Fraction) and architectural constraints. Failure Modes and Diagnostics Closed book (standard safety formulas and specific reference

4 hours for the morning session, 4 hours for the afternoon session.

The specific application standard for the process industry sector.

Familiarize yourself with the IEC 61508 and IEC 61511 standards, which form the basis of functional safety. Study the standards, and understand the concepts, terminology, and requirements.