DIN EN 61511-3 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
11-16-2022
01-12-2013
INTRODUCTION
1 Scope
2 Terms, definitions and abbreviations
3 Risk and safety integrity - general guidance
3.1 General
3.2 Necessary risk reduction
3.3 Role of safety instrumented systems
3.4 Safety integrity
3.5 Risk and safety integrity
3.6 Allocation of safety requirements
3.7 Safety integrity levels
3.8 Selection of the method for determining the required
safety integrity level
Annex A (informative) As Low As Reasonably Practicable (ALARP)
and tolerable risk concepts
Annex B (informative) Semi-quantitative method
Annex C (informative) The safety layer matrix method
Annex D (informative) Determination of the required safety
integrity levels - a semiqualitative
method: calibrated risk graph
Annex E (informative) Determination of the required safety
integrity levels - a qualitative method:
risk graph
Annex F (informative) Layer of protection analysis (LOPA)
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