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OVE EN 61511-2:2019
Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1 (IEC 61511-2:2016) (english version)
This part of the IEC 61511 series provides guidance on the specification, design, installation, operation and maintenance of the PLT safety functions specified in IEC 61511-1: 2016 and the associated PLT safety devices.
Austrian Standards Institute [on]