ISO 13849-2:2012 specifies the procedures and conditions to be followed for the validation by analysis and testing of the specified safety functions, the category achieved, and the performance level achieved by the safety-related parts of a control system
DS/EN ISO 13849-2:2012 history
1970DS/EN ISO 13849-2:2014 Safety of machinery - Safety-related parts of control systems - Part 2: Validation
2012DS/EN ISO 13849-2:2012 Safety of machinery - Safety-related parts of control systems - Part 2: Validation