TUV Functional Safety Engineer: IEC 61511 Certification

TÜV Functional Safety Engineer: IEC 61511 Certification | Udemy [Update 05/2026]
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SIS, SIL, LOPA, PFDavg & the Full IEC 61511 Lifecycle — TÜV FSEng Exam Prep

What you’ll learn:
Apply the full IEC 61511 lifecycle: FSM, hazard assessment, SIS design, SIL verification, commissioning, operation, and decommissioning
Execute LOPA and assign SIL targets using three methods: LOPA, risk graph, and calibrated risk matrix
Calculate PFDavg for 1oo1, 1oo2, 2oo2, and 2oo3 architectures using simplified equations, including common cause failure beta factor terms
Write a compliant Safety Requirements Specification (SRS) and identify the deficiencies TÜV examiners test most frequently
Apply IEC 61511 Clause 11 architectural constraints, hardware fault tolerance, and redundancy selection for a given SIL target
Navigate FSM obligations: FSM plan structure, competency management, auditing, and Management of Change (MOC) under Clause 17
Perform SIS validation and identify the four Functional Safety Assessment (FSA) phases and when each is required
Apply proof testing principles, bypass management, and partial stroke testing (PST) across the operational lifecycle
Use CHAZOP methodology to systematically review SIS design completeness against the SRS and P&IDs
Tackle TÜV FSEng exam scenarios in LOPA, SRS review, SIL verification, and MOC — with model answers and marking schemes

The TÜV Functional Safety Engineer (FSEng) designation is the benchmark qualification for process sector safety engineers working with Safety Instrumented Systems. This course is built for engineers preparing for the TÜV FSEng examination — and for practitioners who need a rigorous, exam-grade understanding of IEC 61511 to use on live projects.

What You Will Learn

• Apply the full IEC 61511 lifecycle: from Functional Safety Management through hazard assessment, SIS design, SIL verification, commissioning, operation, and decommissioning

• Execute Layer of Protection Analysis (LOPA) and assign Safety Integrity Levels (SIL) using three methods: LOPA, risk graph, and calibrated risk matrix

• Calculate PFDavg for 1oo1, 1oo2, 2oo2, and 2oo3 architectures using simplified equations — including common cause failure beta factor terms

• Write a compliant Safety Requirements Specification (SRS) and identify the deficiencies that examiners test most frequently

• Understand IEC 61511 architectural constraints (Clause 11), hardware fault tolerance, and how to select redundancy configurations for a given SIL target

• Navigate Functional Safety Management (FSM) obligations: FSM plan structure, competency management, auditing, and Management of Change (MOC) under Clause 17

• Perform SIS validation and understand the four Functional Safety Assessment (FSA) phases and when each is required

• Apply proof testing principles, bypass management, and partial stroke testing (PST) during the operational lifecycle

• Use CHAZOP methodology to systematically review SIS design completeness against the SRS and P&IDs

• Tackle TÜV FSEng exam scenarios in LOPA, SRS review, SIL verification, and MOC — with model answers and marking schemes

Who This Course Is For

• Process and instrumentation engineers preparing for the TÜV Functional Safety Engineer (FSEng) examination

• SIS engineers, safety engineers, and control systems engineers working with IEC 61511 on oil, gas, chemical, and petrochemical plants

• Asset owners and operators with COMAH, DSEAR, or PSM compliance obligations who need to understand SIS lifecycle requirements

• HAZOP leaders, risk engineers, and process safety managers who need to understand the risk assessment to SIL determination pipeline

• Engineering managers and functional safety assessors who review SIS documentation and need rigorous standards knowledge

Course Structure

10 core sections covering the complete IEC 61511 lifecycle, plus 2 post-launch expansion modules for advanced practitioners:

• Section 1: Foundations — Functional Safety & the IEC 61511 Framework

• Section 2: Functional Safety Management (FSM) — Clause 5

• Section 3: Hazard & Risk Assessment — HAZOP, LOPA, SIL Determination

• Section 4: Safety Requirements Specification (SRS) — Clause 10

• Section 5: SIS Design — Architecture & Technology Selection — Clause 11

• Section 6: SIL Verification — PFDavg Calculations — Clause 12

• Section 7: Installation, Commissioning & Validation — Clauses 13-14

• Section 8: Operation, Maintenance & Proof Testing — Clause 16

• Section 9: Modification, Decommissioning & CHAZOP — Clauses 17-18

• Section 10: Exam Preparation & Scenario Practice

• Expansion Module 11: LOPA & Quantitative Risk Assessment — Deep Dive

• Expansion Module 12: Advanced SIL Verification — Markov & Fault Tree

Downloadable resources included:

LOPA Excel Template — pre-built worksheet with worked example; use it alongside Section 3 and keep it for live projects

SIL Verification Excel Template — PFDavg calculator for all four architectures with CCF beta factor; built around the Section 6 worked example

SRS Checklist — Clause 10 completeness checklist, one per SIF; built for real project use as much as exam revision

IEC 61511 Clause Navigation Card — every key clause mapped to lifecycle phase, colour-coded, designed to be printed and used open-book in the TÜV exam

PFDavg Formula Reference Card — all simplified equations on one laminate-format page; have it open for every calculation lesson and take it into the exam

Exam Scenario Practice Pack — four full TÜV FSEng-style scenarios with model answers and mark schemes covering LOPA, SRS review, SIL verification, and MOC

Requirements

• Familiarity with process plant operations (oil, gas, chemicals, petrochemicals) is beneficial but not required

• No prior IEC 61511 or functional safety knowledge assumed — the course starts from first principles

Who this course is for:
Process and instrumentation engineers preparing for the TÜV Functional Safety Engineer (FSEng) examination
SIS engineers, safety engineers, and control systems engineers working with IEC 61511 on oil, gas, chemical, and petrochemical plants
Asset owners and operators with COMAH, DSEAR, or PSM compliance obligations who need to understand SIS lifecycle requirements
HAZOP leaders, risk engineers, and process safety managers who need to understand the risk assessment to SIL determination pipeline
Engineering managers and functional safety assessors who review SIS documentation and need rigorous standards knowledge

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TUV Functional Safety Engineer: IEC 61511 Certification | Udemy

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