Description

BS PD IEC TR 61511-4 – Functional safety. Safety instrumented systems for the process industry sector

This part of IEC 61511, which is a Technical Report,

• specifies the rationale behind all clauses and the relationship between them,
• raises awareness for the most common misconceptions and misinterpretations of theclauses and the changes related to them,
• explains the differences between Ed. 1 and Ed. 2 of IEC 61511-1 and the reasons behindthe changes,
• presents high level summaries of how to fulfil the requirements of the clauses, and
• explains differences in terminology between IEC 61508-4:2010 and IEC 61511-1 Ed. 2.

Cross References:
IEC 60050-192
IEC 61511-1:2016
IEC 61508-4:2010
IEC 61511-1:2016/AMD1:2017
ISO/IEC Guide 51:2014
IEC 61508 (all parts)
IEC 62443 (all parts)
IEC 60050 (all parts)
IEC 61508-6:2010
IEC 61511-3:2016
IEC 61703:2016
IEC 61508-3:2010
IEC 61508-1:2010
IEC 61511-2:2016
IEC 61511-1:2003
IEC 61508-2:2010
IEC 61508-7:2010
ISO 9001:2015
IEC 61131-3:2003
ISO 14224:2016
IEC 61508-5:2010