AS IEC 61511.3-2004 (R2015)

AS IEC 61511.3-2004 (R2015) Functional safety - Safety instrumented systems for the process industry sector - Guidance for the determination of the required safety integrity levels
standard by Standards Australia,

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Adopts IEC 61511-3 which specifies the underlying concepts of risk, the relationship of risk to safety integrity, the determination of tolerable risk and a number of different methods that enable the safety integrity levels for the safety instrumented functions to be determined.RECONFIRMATION NOTICETechnical Committee IT-006 has reviewed the content of this publication and inaccordance with Standards Australia procedures for reconfirmation, it has beendetermined that the publication is still valid and does not require change.Reconfirmed documents cannot be amended, but may be formally revised and a newedition published.Certain documents referenced in the publication may have been amended since theoriginal date of publication. Users are advised to ensure that they are using the latestversions of such documents as appropriate, unless advised otherwise in thisReconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures forreconfirmation on 14 July 2015.The following are represented on Technical Committee IT-006:Australia Safety Critical Systems AssociationAustralian Computer SocietyAustralian Industry GroupAustralian Petroleum Production and Exploration AssociationConsult AustraliaEngineers AustraliaInstitute of Chemical Engineers AustraliaInstitute of Instrumentation, Control