PPT Slide
IEC 61508Assessing the Hazard and Risk
IEC 61508 Terminology
IEC 61508 Definitions
IEC 61508 Terminology Hierarchy
The Functional Safety Assessment
Tolerable Risk Criteria
Boundary of FSA
Risk Graph Method
Hazardous Event Severity Index Method
Summary Points
Example Application of Risk Graph Method
Example - Initial Design
Example - Pressure Relief Valve Removed
Example - Risk Graph Method
Example - Tolerable Risk Criteria
Example - Block Diagram for Reliability Calculations
Example - Final Design Solution
Example - No Over Pressure Protection
Summary of Example
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