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. It has the status of a horizontal standard in accordance with IEC Guide 108. Keywords: cyber security; functional safety; smart city; smart manufacturing; industrie 4.0; industry 4.0; automation

xmlns:ali="http://www.niso.org/schemas/ali/1.0/"Functional safety — Safety instrumented systems for the process industry sector — Part 3: Guidance for the determination of the required safety integrity levels

IEC 61511-3:2003

xmlns:ali="http://www.niso.org/schemas/ali/1.0/"Functional safety — Safety instrumented systems for the process industry sector — Part 3: Guidance for the determination of the required safety integrity levels