Introduction to Functional Safety
FS101 — Improving safety through reliability using ISO 13849
Welcome to FS101 👋
FREE PREVIEWHow to use the Course Player
Open Office Hours
Free Coaching
Core Documents
FREE PREVIEWSISTEMA Cookbook 1 - From the schematic circuit diagram to the Performance Level – quantification of safety functions with SISTEMA
Additional reference documents
FS101 Presentation Slides & Notes
Origins of functional safety
Origins quiz
Functional safety life cycle
FREE PREVIEWSafety life cycle quiz
Lesson Quality Survey
Where to start
FREE PREVIEWRisk Assessment Review
Setting the Scope
Setting the scope quiz
Design limits: Intended use and foreseeable misuse
Design limits quiz
Hazard Identification
Hazard Identification Exercise
Hazard identification quiz
Estimating Likelihood
Probability & Likelihood quiz
Task-Hazard Lists
Task-hazard quiz
Hazardous Situations and Events
Hazardous Situations quiz
Understanding the Hierarchy of Controls
Hierarchy of Controls quiz
Example Risk Assessment Worksheets
Case Study
Lesson Quality Survey
Chapter quiz
What is a Safety Function?
Safety function into quiz
Example Safety Functions
Optional extra reading: “Out of Control: Why Control Systems go Wrong and How to Prevent Failure - HSG238"
Example safety function quiz
Mapping Risk Parameters to Functional Safety Parameters: The Risk Scale
Mapping: Risk Scale quiz
Mapping Risk Parameters to Functional Safety Parameters: The Functional Safety Scale
Mapping: Functional Safety scale quiz
Mapping Risk Parameters to Functional Safety Parameters: The Parameter Map
What About the "O" Parameter?
Optional extra reading: Linking Risk and Reliability - Nix, Chinniah, Dosio, Fessler, Schrever
FREE PREVIEWChapter quiz
Developing the SRS - Limits
Developing the SRS - Limits quiz
Developing the SRS - the Safety Function Description
Safety Function Description quiz
Drafting the SRS for a Safety Function
Worked Example SRS
SISTEMA Cookbook 6 - Definitions of Safety Functions - What is important?
Chapter quiz
What is a "Failure Rate"?
Failure rate quiz
Understanding Performance Levels
Performance level quiz
Interlock Architectures – A little history
Circuit Architecture History quiz
Architecture, DC and MTTFD Selection
Architecture, DC and MTTFD selection quiz
Introducing Architectural Categories
Introducing the Architectural Categories quiz
Understanding Reliability Block Diagrams
Understanding Category B
Cat. B quiz
Understanding Category 1
Cat. 1 quiz
Understanding Category 2
Understanding Category 3
Understanding Category 4
SISTEMA Cookbook 4 - When the Architectures Don't Match
Chapter quiz
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