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SLOVENSKI STANDARD
01-oktober-2021
Nadomešča:
SIST EN 62061:2005
SIST EN 62061:2005/A1:2013
SIST EN 62061:2005/A2:2016
Varnost strojev - Funkcijska varnost nadzornih sistemov, povezanih z varnostjo
(IEC 62061:2021)
Safety of machinery - Functional safety of safety-related control systems (IEC
62061:2021)
Sicherheit von Maschinen - Funktionale Sicherheit sicherheitsbezogener
Steuerungssysteme (IEC 62061:2021)
Sécurité des machines - Sécurité fonctionnelle des systèmes de commande relatifs à la
sécurité (IEC 62061:2021)
Ta slovenski standard je istoveten z: EN IEC 62061:2021
ICS:
13.110 Varnost strojev Safety of machinery
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 62061
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2021
ICS 13.110; 25.040.99; 29.020 Supersedes EN 62061:2005 and all of its amendments
and corrigenda (if any)
English Version
Safety of machinery - Functional safety of safety-related control
systems
(IEC 62061:2021)
Sécurité des machines - Sécurité fonctionnelle des Sicherheit von Maschinen - Funktionale Sicherheit
systèmes de commande relatifs à la sécurité sicherheitsbezogener Steuerungssysteme
(IEC 62061:2021) (IEC 62061:2021)
This European Standard was approved by CENELEC on 2021-04-26. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62061:2021 E
European foreword
The text of document 44/885/FDIS, future edition 2 of IEC 62061, prepared by IEC/TC 44 "Safety of
machinery - Electrotechnical aspects" was submitted to the IEC-CENELEC parallel vote and approved
by CENELEC as EN IEC 62061:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-01-26
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-04-26
document have to be withdrawn
This document supersedes EN 62061:2005 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62061:2021 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60068 (series) NOTE Harmonized as EN 60068 (series)
IEC 60364-4-41:2005 NOTE Harmonized as HD 60364-4-41:2017
IEC 60529 NOTE Harmonized as EN 60529
IEC 60721 (series) NOTE Harmonized as EN 60721-3-9:1993/A1 (series)
IEC 60812 NOTE Harmonized as EN IEC 60812
IEC 60947-4-1:2018 NOTE Harmonized as EN IEC 60947-4-1:2019 (not modified)
IEC 60947-5-1 NOTE Harmonized as EN 60947-5-1
IEC 60947-5-3 NOTE Harmonized as EN 60947-5-3
IEC 60947-5-5 NOTE Harmonized as EN 60947-5-5
IEC 60947-5-8 NOTE Harmonized as EN IEC 60947-5-8
IEC 61000-6-7 NOTE Harmonized as EN 61000-6-7
IEC 61025:2006 NOTE Harmonized as EN 61025:2007 (not modified)
IEC 61131-2:2017 NOTE Harmonized as EN 61131-2:2017 (not modified) to be published
IEC 61131-6:2012 NOTE Harmonized as EN 61131-6:2012 (not modified)
IEC 61140:2016 NOTE Harmonized as EN 61140:2016 (not modified)
IEC 61165 NOTE Harmonized as EN 61165
IEC 61204-7:2016 NOTE Harmonized as EN IEC 61204-7:2018 (not modified)
IEC 61310 (series) NOTE Harmonized as EN 61310 (series)
IEC 61326-3-1 NOTE Harmonized as EN 61326-3-1
IEC 61496 (series) NOTE Harmonized as EN IEC 61496 (series)
IEC 61508-1:2010 NOTE Harmonized as EN 61508-1:2010 (not modified)
IEC 61508-4:2010 NOTE Harmonized as EN 61508-4:2010 (not modified)
IEC 61508-5:2010 NOTE Harmonized as EN 61508-5:2010 (not modified)
IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010 (not modified)
IEC 61508-7:2010 NOTE Harmonized as EN 61508-7:2010 (not modified)
IEC 61511 (series) NOTE Harmonized as EN 61511 (series)
IEC 61511-1:2016 NOTE Harmonized as EN 61511-1:2017 (not modified)
IEC 61511-1:2016/A1:2017 NOTE Harmonized as EN 61511-1:2017/A1:2017 (not modified)
IEC 61511-3:2016 NOTE Harmonized as EN 61511-3:2017 (not modified)
IEC 61649 NOTE Harmonized as EN 61649
IEC 61709:2017 NOTE Harmonized as EN 61709:2017 (not modified)
IEC 61784-3 (series) NOTE Harmonized as EN 61784-3 (series)
IEC 61784-3:2016 NOTE Harmonized as EN 61784-3:2016 (not modified)
IEC 61800-5-2 NOTE Harmonized as EN 61800-5-2
IEC 61810 (series) NOTE Harmonized as EN 61810 (series)
IEC 62443 (series) NOTE Harmonized as EN IEC 62443 (series)
IEC 62477 (series) NOTE Harmonized as EN IEC 62477 (series)
IEC 62502 NOTE Harmonized as EN 62502
ISO/IEC 27001:2013 NOTE Harmonized as EN ISO/IEC 27001:2017 (not modified)
ISO 4413:2010 NOTE Harmonized as EN ISO 4413:2010 (not modified)
ISO 4414:2010 NOTE Harmonized as EN ISO 4414:2010 (not modified)
ISO 11161:2007 NOTE Harmonized as EN ISO 11161:2007 (not modified)
ISO 13850:2015 NOTE Harmonized as EN ISO 13850:2015 (not modified)
ISO 13851:2019 NOTE Harmonized as EN ISO 13851:2019 (not modified)
ISO 13855:2010 NOTE Harmonized as EN ISO 13855:2010 (not modified)
ISO 14118:2017 NOTE Harmonized as EN ISO 14118:2018 (not modified)
ISO 14119:2013 NOTE Harmonized as EN ISO 14119:2013 (not modified)
ISO/TR 22100-4:2018 NOTE Harmonized as CEN ISO/TR 22100-4:2020 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60204-1 (mod) 2016 Safety of machinery - Electrical equipment EN 60204-1 2018
of machines - Part 1: General requirements
IEC 61000-1-2 2016 Electromagnetic compatibility (EMC) - Part EN 61000-1-2 2016
1-2: General - Methodology for the
achievement of functional safety of
electrical and electronic systems including
equipment with regard to electromagnetic
phenomena
IEC 61508 series Functional safety of EN 61508 series
electrical/electronic/programmable
electronic safety-related systems
IEC 61508-2 2010 Functional safety of EN 61508-2 2010
electrical/electronic/programmable
electronic safety-related systems - Part 2:
Requirements for
electrical/electronic/programmable
electronic safety-related systems
IEC 61508-3 2010 Functional safety of EN 61508-3 2010
electrical/electronic/programmable
electronic safety-related systems - Part 3:
Software requirements
ISO 12100 2010 Safety of machinery - General principles EN ISO 12100 2010
for design - Risk assessment and risk
reduction
ISO 13849 series Safety of machinery - Safety-related parts EN ISO 13849 series
of control systems
ISO 13849-1 2015 Safety of machinery - Safety-related parts EN ISO 13849-1 2015
of control systems - Part 1: General
principles for design
ISO 13849-2 2012 Safety of machinery - Safety-related parts EN ISO 13849-2 2012
of control systems - Part 2: Validation
Annex ZZ
(informative)
Relationship between this European standard and the essential
requirements of Directive 2006/42/EC [2006 OJ L 157] aimed to be
covered
This European standard has been prepared under a Commission’s standardisation request “M/396” to
provide one voluntary means of conforming to essential requirements of Directive 2006/42/EC of the
European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive
95/16/EC (recast) [2006 OJ L 157].
Once this standard is cited in the Official Journal of the European Union under that Directive,
compliance with the normative clauses of this standard given in Table ZZ.1 confers, within the limits of
the scope of this standard, a presumption of conformity with the corresponding essential requirements
of that Directive, and associated EFTA regulations.
Table ZZ.1 — Correspondence between this European standard and Annex 1 of Directive]
2006/42/EC [2006 OJ L 157]
The relevant Essential
Clause(s) / sub-clause(s)
Requirements of Directive Remarks / Notes
of this EN
2006/42/EC
1.2.1 Clauses 4, 5, 6, 7, 8, 9.
1.7.4.2 (e, g, i, r, s) 10.3 This subclause only deals with
the instruction for safety
functions
WARNING 1: Presumption of conformity stays valid only as long as a reference to this European
standard is maintained in the list published in the Official Journal of the European Union. Users of this
standard should consult frequently the latest list published in the Official Journal of the European
Union.
WARNING 2: Other Union legislation may be applicable to the product(s) falling within the scope of
this standard.
IEC 62061
Edition 2.0 2021-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety of machinery – Functional safety of safety-related control systems
Sécurité des machines – Sécurité fonctionnelle des systèmes de commande
relatifs à la sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.110; 25.040.99; 29.020 ISBN 978-2-8322-9333-1
– 2 – IEC 62061:2021 IEC 2021
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 11
2 Normative references . 12
3 Terms, definitions and abbreviations . 13
3.1 Alphabetical list of definitions . 13
3.2 Terms and definitions . 15
3.3 Abbreviations . 28
4 Design process of an SCS and management of functional safety . 28
4.1 Objective . 28
4.2 Design process . 29
4.3 Management of functional safety using a functional safety plan . 31
4.4 Configuration management . 33
4.5 Modification . 33
5 Specification of a safety function . 34
5.1 Objective .
...