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Safety Instrumented Systems - TÜV Rheinland

Safety Instrumented Systems

Schneider Electric Safety Services from the USA, United Kingdom and Australia offer the PFSE training course addressing Functional Safety in the field of Safety Instrumented Systems.

Contents, material and final exams for this course have been reviewed and assessed positively by TÜV Rheinland Industrie Service GmbH, Automation and Functional Safety, AFS.

Target Group

Engineers involved in any part of the SIS Safety Lifecycle.


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Day 1

  • Overview of TÜV Rheinland Functional Safety Program
  • Introduction to Safety Instrumented Systems
  • Overview of International Safety Standards IEC-61508/ 61511 (in the U.S., ANSI/S84.01-2004)
  • What is Safety Integrity Level (SIL)?
  • Probability to Fail on Demand (PFD)
  • PFD average
  • SIL instantaneous
  • Demand VS. Continuous Mode
  • Qualitative Assessment
  • Process sensitivity and safety
  • Safety integrity levels assignment
  • Modified HAZOP
  • Consequence Analysis
  • Risk Matrix
  • Risk Graph
  • Quantitative Assignment
  • Layer of Protection (LOPA)
  • User Defined SIL Target
  • Examples of methodology use

Day 2

Semi-Quantitative SIL assignment method

  • Examples of use
  • Conclusions
  • Safety Requirements Specification (SRS) Template
  • Scope
  • SRS Checklist
  • SRS Guidance (IEC-61511)
  • Compliance
  • Process Assessment
  • SRS Basis of Design
  • ESD P&ID Diagrams
  • Technical Requirements
  • Start-Up Procedures
  • DCS Functions
  • Testing, Procedures and Commissioning
  • Management of Change

Day 3

SIL Verification

  • IEC-61508 and 61511 Methods
  • Reliability Block Diagrams
  • Simplified Equations

  • Markov Models
  • Fault Tree Analysis (FTA)
  • QRA Methodology
  • Examples
  • Availability and Reliability Determination

  • System improvement using FTA
  • Management of Functional Safety
  • Role of individuals
  • Plan for verification, assessments, auditing and validation.
  • Procedures for evaluating performance after SIF is installed
  • Design – Good engineering practices
  • Operation and Maintenance
  • Summary of 3-Day Training
  • Questions
  • Follow-Up

Day 4

Comprehension and mastering of the PFSE training course material will be verified by a 4 to 6 hour proficiency examination consisting of 130 multiple choice, and 5 working problems.

Overall passing criteria is 75%.


In accordance with the TÜV Rheinland Functional Safety TrainingProgram.

  • A minimum of 3 to 5 years experience in the field of functional safety.
  • University degree or equivalent engineer level responsibilities status as certified by employer.

A FS Engineer (TÜV Rheinland) certificate will be issued directly by TÜV Rheinland, Germany, based on:

  • Full participation in the 3 days lectures of the PFSE course.
  • Passing the final exam with 75% score or higher.
  • Fulfillment of the TÜV Rheinland eligibility requirements.


The last day consists of a two-part examination:

130 multiple choice questions and 5 working problems.

Course Approval Criteria Passing score is 75%.


This is a four (4) day training.

The first three days are classroom setting instruction that provide detailed information and example / discussions for understanding and mastering the requirements of IEC61508 / IEC61511 functional safety. Evening study time and problem solving is recommended.


Total price per participant is US$ 3,200.

(For USA locations only)

For other world locations, please check for pricing in local currencies.

(Price Includes course material, registration fees and FS Engineer (TÜV Rheinland) certificate, if requirements are fulfilled and exam passed accordingly.)