General Information

Course objective
The objective is to provide instrument engineers, application engineers, site engineers, project managers, operation engineers, maintenance engineers and all those who are involved in the design, realisation, maintenance and operation of safety systems with elementary and necessary knowledge about functional safety, based on the international standards IEC 61508 and IEC 61511.

Course information
Duration: 3.5 days
-    The first two days is the training program: 09:00–12:00, 13:00–17:00
-    Third day in the morning is the training program: 09:00–12:00
-    Third day in the afternoon is the opportunity to ask questions (optional)
-    Fourth day in the morning is the examination – 4 hours (maximum)

Participant eligibility requirements
In accordance with TÜV Rheinland Functional Safety Program.
-    A minimum of 3 years experience in the field of functional safety.
-    Bachelor degree as a minimum or equivalent engineer level responsibilities status as certified by the employer.
-    Filled out eligibility forms must be sent in two weeks before training date at the latest.


For the Yokogawa course program the following Functional Safety Experts (TÜV Rheinland) are recognized as trainer

  • Mr. Ton Beems               (Yokogawa Europe)
  • Mr. Jeff Beijk                 (Yokogawa Europe)
  • Mr. Arjen de Koning        (Yokogawa Malaysia)
  • Mr. Jin Hyung Park         (Yokogawa Korea)
  • Mr. Arian Slagt               (Yokogawa Europe)
  • Mr. S. Vinod                  (Yokogawa India)
  • Mr. Andy Yam                (Yokogawa Australia)



Alternatively local language as Dutch, Korean or Hindi.
In all cases the written material and examination will be in English only.

at various Yokogawa premises world wide
Alternatively in house trainings at customer premises can be organized.

locations and dates will be published on the TÜV website (tuvasi.com)   
-    Also available on Yokogawa website.
-    Registration for attending the training will be closed two weeks before training date.


Day 1
Morning 09:00 - 12:00
- General Introduction
Module 1: Introduction to Functional Safety
- What is safety?
- Why safety?
- What is a safety system?
- Position of SIS in the total equipment under control
Module 2: International safety standards IEC 61508 and 61511
- The five main pillars of the standards
Afternoon 13:00 - 17:00
Module 3: HAZOP - SIF - SIL
- Hazard and risk assessment
- Determine Safety Instrumented Functions (SIF)
- Determine Safety Integrity Levels (SIL)
- Group exercises

Day 2
Morning 09:00 - 12:00
Module 4: Safety Engineering
- De-energize To Safe state (DTS)
- Energize To Safe state (ETS)
- Redundancy
- Safety architectures
- Reliability modeling (Reliability Block Diagram - RBD)
- Group exercise on RBD
- Sensor validation
- Overrides - by-passes - inhibits
- Process safety time and system response time
- Logic Solver architectures
Afternoon 13:00 - 17:00
Module 5: Functional Safety Management
- Implications for organizations involved throughout the safety life cycle
Module 6: Failures and Hardware Fault Tolerance
- Random hardware failures and their modes
- Failure mode effect analysis
- Safe Failure Fraction (SFF)
- Hardware Fault Tolerance (HFT)
- Group exercise on HFT

Day 3
Morning 09:00 - 12:00
Module 7: Common cause influences and other failure types
- The beta factor
- Systematic failures
- Human Failures
Module 8: Safety calculations
- Safety parameters
- Formulas
- Proof testing
- Group exercises on PFD average calculations
Afternoon 13:00 - 17:00
Session for your questions
- The attendance of this session is optional
- Opportunity to do more exercised (optional)
- time for self study

Day 4
Morning 09:00 - 13:00

(those who have finished may leave earlier.)


- Prerequisite to do the examination is that the applicant has to attend Yokogawa's training course “TÜV Functional Safety Engineer SIS”.
- Pass score is 75%.
- There are 60 multiple (3) choice questions. At the most 2 good answers per question are possible, which is indicated if applicable.

The answers will be valued as follows:

good answer
good answer fault answer
fault answer
no answer
earned points
x - -
x x -
x -
- -
- -
- -

- There are 7 safety cases. The maximum points to be earned per case are mentioned.
- The examination questions and exercises will be handed over at the start of the examination.
- It is not allowed to bring any documents or (hand held) pc to the exam.
- It is not allowed to take any documents or notices from the exam.
- Check of the examination results will be done by two functional safety experts of Yokogawa.
- Counter check will be done by TÜV Rheinland.
- Discussion about the results is not possible.
- Applicants who succeed will receive their certificate from TÜV Rheinland, which may take some weeks.

(for those who did not pass the examination)

- Within one year after a failed examination, applicants may sign up once for another examination, free of charge.
- If applicants sign up for attending the training course again, they have to pay full course price.


Depends on country, please contact us

- Including course material
- Including fee for examination
- Including lunch


If you have any questions or wish to register please contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it by emal.