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EN ISO 13849-2:2012 Standard

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  Keywords:

#performance #safety #used #levels #general

  Directive

Machinery Regulation ((EU) 2023/1230)

  Last Official Journal reference

Thursday 12th of March 2026

  Description:

Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012)

  Purpose

ISO 13849-2 specifies the validation process for the safety functions, categories and performance levels for the safety-related parts of control systems. It recognizes that the validation of safety-related parts of control systems can be achieved by a combination of analysis and testing and specifies the particular circumstances in which testing ought to be carried out. Most of the procedures and conditions in ISO 13849-2 assume that the simplified procedure for estimating the performance level is used. It does not guide situations when other procedures are used to estimate performance levels.   Guidance on the general principles for the design of safety-related parts of control systems, regardless of the type of technology used (electrical, hydraulic, pneumatic, mechanical, etc.), is provided in ISO 13849-1. This includes descriptions of some typical safety functions, determination of their required performance levels, and general requirements of categories and performance levels. Within ISO 13849-2, some of the validation requirements are general, whereas others are specific to the type of technology used. The text of ISO 13849-2:2012 has been approved in Europe as EN ISO 13849-2:2012 without any modification and it supersedes EN ISO 13849-2:2008.

  Publication

Friday 5th of April 2013

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