Safety Instrumented Systems

& Functional Safety for IEC 61511

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Self-paced e-Learning Contents

This self-paced learning path includes seven main sections to learn about safety instrumented systems and IEC 61511. The entire learning path can typically be completed in 10 hours over a period of days, weeks or months. We automatically store your progress so you can come back to your exact position at any time during your access period.


  • Course instructions
  • Safety in context
  • History of safety systems & standards
  • The safety life-cycle
  • Buncefield accident lessons
  • Assessment

Key terminology for functional safety

  • Key terminology explained + downloadable terms
  • Country regulations and standards
  • IEC 61511 edition 2 update
  • Assessment

Functional safety management

  • Overview
  • Competence
  • Roles in the safety lifecycle
  • Verification and validation planning
  • FSA and audit
  • Assessment

Hazards, risk and SIL targets

  • Process hazards introduction
  • Hazard analysis workflow and methods
  • Probability and frequency
  • Protection layers and SIL determination
  • SIS cyber-security risk assessment
  • Assessment

Safety Instrumented Systems
safety requirements specification

  • Overall process requirements
  • SIS requirements
  • SIF requirements
  • SIS equipment selection & justification
  • Assessment

Safety Instrumented Systems design and validation

  • Understanding equipment failure
  • Designing a SIF
  • Safety Instrumented System Examples
  • SIL verification
  • Safety PLC software
  • Installation, commissioning and validation testing
  • Assessment

Operations & Maintenance of SIS

  • Operations overview
  • Bypass and override
  • SIS inspection and proof testing
  • Modification and decommissioning
  • Assessment


Guillermo P. Senior Process Safety Engineer

The course gives a special insight on Safety Instrumented Systems and their management in the process industry.

Gil R. Process Automation Leader

Good course, giving a clear understanding of SIS life cycle and IEC61511 requirements. Recommended to anyone working with SIS design and Functional Safety Assessment.

Fred S I & E Specialist

Very informative and well laid out

Alexander B. Instrumentation Engineer

Very good course for anyone looking to improve their knowledge of functional safety. Online nature means you can complete at your own pace, which I found beneficial.

Ngor D. Process Automation Safety and Commissioning Engineer

Great course! I have learned so much in regard to SIS, functional safety and SIS Safety Lifecycle from Hazard& Risk Assessment to Decommissioning of a SIF or SIS. The assessment quiz and practices questions at the end of each topic has prepared me to execute my current role effectively.

Krishnan J. Process Engineer

Excellent course for operation, design and process engineering. Subjects well designed, organised and presented perfectly with practical examples.

Here’s What You’ll Get When You Sign Up

When you sign up you will get access to our exclusive online learning management system, including your selected course. You can track your progress to a conclusion.

Course access 24/7

You will have access to your course 24 hours per day, wherever you are in the world.

Traceable progress

Our system tracks progress for the individual or team, including all completed modules, test attempts and results.

Interactivity and assessment

You can ask the course tutor questions and self-assess your own progress with the online quizzes and tests.

Accredited CPD hours

Continuing Professional Development (CPD) hours

About The Course Author

Jon Keswick has provided consulting in the field of functional safety for more than 20 years. Before specialising in functional safety, Jon worked in technical and product management roles for more than 15 years at several well-known control and automation equipment suppliers.

As well as authoring online courses, Jon now couples his safety, automation, instrumentation and programmable systems knowledge with independent functional safety assessment and audit services for process and machinery safety projects.

Jon Keswick, CFSE

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