Certified Functional Safety Expert Exam Study Guide ^new^
This is a comprehensive study guide for the CFSE (Certified Functional Safety Expert) exam, governed by the CFSE Governance Board.
Certified Functional Safety Expert (CFSE) / Certified Functional Safety Professional (CFSP) Study Guide , primarily published by certified functional safety expert exam study guide
- Table of SIL vs. SFF/HFT (IEC 61508-2, Table 2/3)
- PFDavg formulas
- Software safety requirements table (61508-3)
- IEC 61511 (Process Industry): Focus on the Safety Instrumented System (SIS) lifecycle, SIF identification, and maintenance/validation.
- ISO 26262 (Automotive): Focus on ASIL (Automotive Safety Integrity Level) determination, the concept of "Freedom from Interference" (FFI), and hardware metrics (SPFM, LFM, PMHF).
- IEC 62061 / EN ISO 13849 (Machinery): Focus on Performance Levels (PL) and Categories (B, 1-4).
- IEC 61513 (Nuclear) / EN 50128 (Rail): Relevant if you specialize in those sectors.
9. Final Checklist Before Exam
- [ ] IEC 61508 Parts 1,2,3,4,7 printed/tabbed
- [ ] IEC 61511 or ISO 13849 (your sector)
- [ ] Formula sheet (handwritten, allowed if within standard pages)
- [ ] Calculator with fresh batteries
- [ ] At least 3 full-length practice exams completed
- [ ] Sleep & hydration plan
Weeks 1–2: Standards Immersion
- Read: IEC 61508-1 (management), IEC 61508-4 (definitions), IEC 61511-1 (lifecycle).
- **Do not read cover-to-cover— instead, create a one-page map of each part's table of contents.
- Deliverable: Annotated copy of "Figure 2 – Overall safety lifecycle" from 61508-1.
- Part 1: General Requirements & Management.
- Part 2: Hardware Requirements.
- Part 3: Software Requirements.
- Part 4: Definitions.
- Part 5: Examples of methods for SIL determination (Annex A/B/C).
- Part 6: Guidelines on applying Part 2 and 3.
- Part 7: Overview of techniques and measures (The Tables!).
