EN 61069-5:2016

SLOVENSKI STANDARD
01-marec-2017
1DGRPHãþD
SIST EN 61069-5:1998
Meritve, krmiljenje in avtomatizacija v industrijskih procesih - Ocenjevanje
lastnosti sistema zaradi njegovega vrednotenja - 5. del: Vrednotenje
zagotovljivosti sistema (IEC 61069-5:2016)
Industrial-process measurement, control and automation - Evaluation of system
properties for the purpose of system assessment - Part 5: Assessment of system
dependability (IEC 61069-5:2016)
Leittechnik für industrielle Prozesse - Ermittlung der Systemeigenschaften zum Zweck
der Eignungsbeurteilung eines Systems - Teil 5: Eignungsbeurteilung der
Systemzuverlässigkeit (IEC 61069-5:2016)
Mesure, commande et automation dans les processus industriels - Appréciation des
propriétés d'un sytème en vue de son évaluation - Partie 5: Evaluation de la sûreté de
fonctionnement d'un système (IEC 61069-5:2016)
Ta slovenski standard je istoveten z: EN 61069-5:2016
ICS:
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 61069-5
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2016
ICS 25.040.40 Supersedes EN 61069-5:1995
English Version
Industrial-process measurement, control and automation -
Evaluation of system properties for the purpose of system
assessment - Part 5: Assessment of system dependability
(IEC 61069-5:2016)
Mesure, commande et automation dans les processus Leittechnik für industrielle Prozesse - Ermittlung der
industriels - Appréciation des propriétés d'un sytème en vue Systemeigenschaften zum Zweck der Eignungsbeurteilung
de son évaluation - Partie 5: Evaluation de la sûreté de eines Systems - Teil 5: Eignungsbeurteilung der
fonctionnement d'un système Systemzuverlässigkeit
(IEC 61069-5:2016) (IEC 61069-5:2016)
This European Standard was approved by CENELEC on 2016-07-20. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61069-5:2016 E
European foreword
The text of document 65A/793/FDIS, future edition 2 of IEC 61069-5, prepared by SC 65A "System
aspects", of IEC/TC 65 "Industrial-process measurement, control and automation" was submitted to
the IEC-CENELEC parallel vote and approved by CENELEC as EN 61069-5:2016.
The following dates are fixed:
(dop) 2017-04-20
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2019-07-20
• latest date by which the national standards conflicting with
the document have to be withdrawn

This document supersedes EN 61069-5:1995.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 61069-5:2016 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 60300-3-1:2003 NOTE Harmonized as EN 60300-3-1:2004 (not modified).
IEC 60068 NOTE Harmonized in EN 60068 series.
IEC 60812:2006 NOTE Harmonized as EN 60812:2006 (not modified).
IEC 61000 NOTE Harmonized in EN 61000 series.
IEC 61025:2006 NOTE Harmonized as EN 61025:2007 (not modified).
IEC 61069-6 NOTE Harmonized as EN 61069-6.
IEC 61078 NOTE Harmonized as EN 61078.
IEC 61165 NOTE Harmonized as EN 61165.
IEC 61326 NOTE Harmonized in EN 61326 series.
IEC 61508 NOTE Harmonized in EN 61508 series.
1)
IEC 62443 NOTE Harmonized in EN 62443 series .
IEC/TS 62603-1 NOTE Harmonized as CLC/TS 62603-1.

1) At draft stage.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When 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 60300-3-2 -  Dependability management - EN 60300-3-2 -
Part 3-2: Application guide - Collection of
dependability data from the field
IEC 60319 -  Presentation and specification of reliability - -
data for electronic components
2)
IEC 61069-1 2016 Industrial-process measurement, control EN 61069-1 201X
and automation - Evaluation of system
properties for the purpose of system
assessment -
Part 1: Terminology and basic concepts
2)
EN 61069-2 201X
IEC 61069-2 2016 Industrial-process measurement, control
and automation - Evaluation of system
properties for the purpose of system
assessment -
Part 2: Assessment methodology
IEC 61070 -  Compliance test procedures for steady- - -
state availability
IEC 61709 2011 Electric components - Reliability - EN 61709 2011
Reference conditions for failure rates and
stress models for conversion
ISO/IEC 25010 -  Systems and software engineering - - -
Systems and software Quality
Requirements and Evaluation (SQuaRE) -
System and software quality models
ISO/IEC 27001 2013 Information technology - Security - -
techniques - Information security
management systems - Requirements
ISO/IEC 27002 -  Information technology - Security - -
techniques - Code of practice for
information security controls
2) To be published.
IEC 61069-5 ®
Edition 2.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial-process measurement, control and automation – Evaluation of system

properties for the purpose of system assessment –

Part 5: Assessment of system dependability

Mesure, commande et automation dans les processus industriels – Appréciation

des propriétés d'un système en vue de son évaluation –

Partie 5: Évaluation de la sûreté de fonctionnement d’un système

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40 ISBN 978-2-8322-3447-1

– 2 – IEC 61069-5:2016  IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references. 8
3 Terms, definitions, abbreviated terms, acronyms, conventions and symbols . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms, acronyms, conventions and symbols . 9
4 Basis of assessment specific to dependability . 9
4.1 Dependability properties . 9
4.1.1 General . 9
4.1.2 Availability . 10
4.1.3 Reliability . 10
4.1.4 Maintainability . 10
4.1.5 Credibility . 11
4.1.6 Security . 11
4.1.7 Integrity . 12
4.2 Factors influencing dependability . 12
5 Assessment method . 12
5.1 General . 12
5.2 Defining the objective of the assessment . 12
5.3 Design and layout of the assessment . 13
5.4 Planning of the assessment program . 13
5.5 Execution of the assessment . 13
5.6 Reporting of the assessment . 13
6 Evaluation techniques . 13
6.1 General . 13
6.2 Analytical evaluation techniques . 14
6.2.1 Overview . 14
6.2.2 Inductive analysis . 15
6.2.3 Deductive analysis . 15
6.2.4 Predictive evaluation . 15
6.3 Empirical evaluation techniques. 16
6.3.1 Overview . 16
6.3.2 Tests by fault-injection techniques . 16
6.3.3 Tests by environmental perturbations . 17
6.4 Additional topics for evaluation techniques . 17
Annex A (informative) Checklist and/or example of SRD for system dependability . 18
Annex B (informative) Checklist and/or example of SSD for system dependability . 19
B.1 SSD information . 19
B.2 Check points for system dependability . 19
Annex C (informative) An example of a list of assessment items (information from
IEC TS 62603-1) . 20
C.1 Overview. 20
C.2 Dependability . 20
C.3 Availability . 20

IEC 61069-5:2016  IEC 2016 – 3 –
C.3.1 System self-diagnostics . 20
C.3.2 Single component fault tolerance and redundancy . 20
C.3.3 Redundancy methods . 21
C.4 Reliability .
...