Certified Functional Safety Expert Exam Study Guide -
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- $\lambda$ is usually given in FIT (Failures in Time). 1 FIT = $10^-9$ failures per hour.
- Know how to convert FIT to MTTF (Mean Time To Failure).
B. Hazard Analysis & Risk Assessment (Part 3 & 5)
You need to know how to determine a Safety Integrity Level (SIL). certified functional safety expert exam study guide
Final Study Checklist (Ana’s exam-ready pack)
- Core standards and lifecycle: review summaries and how they apply to your domain.
- Hazard analysis practice: at least 3 full HARA/FMEA/FTA exercises.
- Architecture patterns: know redundancy types, diagnostics, and safe-failure metrics.
- Software verification: be fluent in test types and traceability.
- Evidence & assessment: assemble sample safety case pages and traceability examples.
- Operations: incident handling, change control, update of safety cases.
- Exam skills: practice timed questions, explain a safety argument verbally in 5 minutes, and prepare concise definitions for key terms.
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3. Standard Breakdown (Memorization Tips)
You must memorize the parts of the main standard (IEC 61508): $\lambda$ is usually given in FIT (Failures in Time)
Explanation: IEC 61511 clause 5.2.6 requires that verification activities be performed by persons independent of the design team.
Month 1: Standards Immersion (25 hours)
- Week 1-2: Read IEC 61508-4 (Definitions) first—this is your dictionary. Then read Part 1 (Management).
- Week 3-4: Read IEC 61508-2 (Hardware) twice. Tab every table (2-4, 2-5, 2-6).
- Action Item: Create a glossary of 50 key terms (e.g., safe state, fault avoidance, fault tolerance, residual risk).
Chapter 5 — Verification, Validation & Functional Safety Assessment
- Objective: Learn verification activities, audits, assessment criteria and evidence collection.
- Key concepts: