Historical
IEC 61511-3 Ed. 1.0 b:2004
Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
provides information on the underlying concepts of risk, the relationship of risk to safety integrity, the determination of tolerable risk, a number of different methods that enable the safety integrity levels for the safety instrumented functions to be determined,
Content Provider
International Electrotechnical Commission [iec]