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Safety Instrumented Systems


Redca Cursos y Sistemas S.A. de C.V. (REDCA), Mexico is an accepted course provider for Safety Instrumented Systems (SIS) trainings of the TÜV Rheinland Functional Safety Program.

The first three days are classroom setting instruction Practical exercises will performed throughout the course which will be based on real life examples, discussions for understanding IEC61508 / IEC61511 functional safety.

Target Group

Safety Engineers, Process Engineers, Instrument Engineers and personnel who are involved in any part of the SIS Safety Lifecycle from hazard and risk analysis to Safety Instrumented System implementation, operation and maintenance.


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Day 1

1.1 A review of the TÜV Rheinland Functional Safety Program

1.2 What is Functional Safety?

1.3 International Standards IEC-61508 / 61511 (ANSI/S84.01-2004)

1.4 Other relevant international standards

1.5 Definition according to IEC 61511/ANSI/S84.01-2004

1.6 Introduction to Safety Life Cycle.

1.7 What is a Safety Instrumented System

1.8 What is a Safety Integrity Level (SIL)

1.9 Risks, Hazards and Protection Layers.

1.10 Introduction to Techniques for Determining SIL of the SIF

  • 1.10.0 Methods for determining NIL / SIL
  • 1.10.1 As Low As Reasonably Practicable
  • 1.10.2 Quantitative Method described in IEC 61508
  • 1.10.3 Risk Matrix
  • 1.10.4 Safety Layer Matrix
  • 1.10.5 Risk Graph
  • 1.10.6 Calibrated Risk Graph
  • 1.10.7 Layers of Protection Analysis LOPA

Day 2

2.0 SIL Selection working examples

2.1 Management of Functional Safety.

2.2 What is Safety Requirements Specification (SRS).

2.3 How to build a SRS

2.4 Guideline and important points of a Safety Requirements Specification.

2.5 Design and Engineering in Safety Instrumented Systems.

2.6 Requirements for Hardware Fault Tolerance

2.7 Requirements for Application Software, Including Selection Criteria for Utility Software

Day 3

3.1 Verification and Validation.

3.2 Determination of PFD

3.2.1 Determining the Failure Rate.

3.2.2 Determination of Mean Time Between Repairs.

3.2.3 Determination of diagnostic coverage.

3.2.4 Determination of Safe Failure Fraction.

3.2.5 Identification of Common Cause Failures

3.2.6 Determination of the Test time.

3.3 PDF equations

3.4 Validation Methods SIS.

3.3.1 Reliability diagrams.

3.3.2 Fault Tree Analysis (FTA).

Day 4



In accordance with the TÜV Rheinland Functional Safety Trainig Program.

  • 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.


The last day (4th) consists of a two-part examination:

80 multiple choice questions

4 working problems

Passing score is 75%.


Total price per participant is $ 2,900 US.

The price includes course material, registration fees and TÜV Rheinland certificate, if exam has been passed successfully.