DSF/FPREN 61511-3
Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
| Organization: | DS |
| Status: | pending |
| Page Count: | 104 |
scope:
This part of IEC 61511 provides information on: - the underlying concepts of risk the relationship of risk to safety integrity see Clause 3; - the determination of tolerable risk, see annex A; - a number of different methods that enable the safety integrity level (SIL) for the safety instrumented functions (SIF) to be determined, see annexes B through F, inclusive and annexes H & I. 337 - The impact of multiple safety systems on calculations determining the ability to achieve the 338 desired risk reduction, see annex J.
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