CFSE Endorsement Program

Differentiate yourself from other practitioners by demonstrating expertise in specific focus areas of functional safety.


  • Understand common SIL target selection techniques and the strengths and weaknesses of each
  • Calculate frequency of an incident using quantitative Layer of Protection Analysis (LOPA) tech- niques
  • Show how LOPA can used to complement other SIL target selection techniques
  • Demonstrate ability to estimate probability of failure for a layer of protection
  • Calculate required risk reduction using quantitative tolerable risk criteria

Exam Delivery Status: Available Within 2 weeks of Order

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Exam Resources

PHAx, exSILentia, and SILAlarm Integration View Webinar   
IEC 61511 - Process Hazard Analysis, Engineering Tools View Webinar   
IEC 61511 - LOPA, Engineering Tools View Webinar   


Practical SIL Target Selection Risk Analysis per the IEC 61511 Safety Lifecycle, Heidi Hartmann, Dr. Eric Scharpf & Hal Thomas