The following application sector standards have been published:

IEC 61513, Nuclear power plants – Instrumentation and control for systems important to safety – General requirements for systems

IEC 61511-1, Functional safety – Safety instrumented systems for the process industry sector – Part 1: Framework, definitions, system, hardware and software requirements

IEC 61511-2, Functional safety – Safety instrumented systems for the process industry sector – Part 2: Guidelines for the application of IEC 61511-1

IEC 61511-3, Functional safety – Safety instrumented systems for the process industry sector – Part 3: Guidance for the determination of the required safety integrity levels

IEC 62061, Safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems

In development is IEC 61800-5-2 for power drive systems. Working drafts are not publicly available from the IEC. National committees may make working drafts available for public consultation for limited periods. The arrangements will vary according to the countries concerned. Consult your national committee for further details.

Other standards may also be under development. (If you are aware of any such standards, please let us know using the feedback facility.)

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