EN 61508-1:2010
(Main)Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
IEC 61508-1:2010 covers those aspects to be considered when electrical/electronic/programmable electronic (E/E/PE) systems are used to carry out safety functions. A major objective of this standard is to facilitate the development of product and application sector international standards by the technical committees responsible for the product or application sector. This will allow all the relevant factors, associated with the product or application, to be fully taken into account and thereby meet the specific needs of users of the product and the application sector. A second objective of this standard is to enable the development of E/E/PE safety-related systems where product or application sector international standards do not exist. This second edition cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. It has been subject to a thorough review and incorporates many comments received at the various revision stages. NEW! Also available: IEC Standards+ 61508:2010, containing all parts, together with a commented Redline version. Changes made in this 2nd edition are highlighted and commented by a leading world expert.
Funktionale Sicherheit sicherheitsbezogener elektrischer/elektronischer/programmierbarer elektronischer Systeme --Teil 1: Allgemeine Anforderungen
Sécurité fonctionnelle des systèmes électriques/électroniques/électroniques programmables relatifs à la sécurité - Partie 1: Exigences générales
La CEI 61508-1:2010 traite des aspects à prendre en considération lors de l'utilisation de systèmes électriques/électroniques/électroniques programmables (E/E/PE) pour exécuter des fonctions de sécurité. L'un des objectifs majeurs de la présente norme est de permettre l'élaboration par les comités d'études qui en sont responsables de normes internationales de produit et d'application sectorielle. Cela permet de prendre pleinement en compte l'ensemble des facteurs pertinents associés au produit ou à l'application, et donc de répondre aux besoins spécifiques des utilisateurs du produit et du secteur d'application concernés. Un second objectif de la présente norme est de permettre le développement de systèmes E/E/PE relatifs à la sécurité en l'absence de normes internationales de produit ou d'application sectorielle. Cette deuxième édition annule et remplace la première édition publiée en 1998 dont elle constitue une révision technique. Elle a fait l'objet d'une révision approfondie et intègre de nombreux commentaires reçus lors des différentes phases de révision.
Funkcijska varnost električnih/elektronskih/elektronsko programirljivih varnostnih sistemov - 1. del: Splošne zahteve (IEC 61508-1:2010)
1.1 Ta mednarodni standard zajema vidike, ki se morajo upoštevati, ko se za izvajanje varnostnih funkcij uporabljajo električni/elektronski/programirljivi elektronski(E/E/PE) sistemi. Glavni cilj tega standarda je tehničnim odborom, odgovornim za proizvod ali aplikacijski sektor, omogočiti razvoj mednarodnih standardov za proizvode in aplikacijske sektorje. To omogoča, da se v celoti upoštevajo vsi pomembni dejavniki, povezani s proizvodom ali aplikacijo, in se tako zadovoljijo specifične potrebe uporabnikov proizvodov in aplikacijskega sektorja. Drug cilj tega standarda je omogočiti razvoj varnostnih sistemov E/E/PE, za katere mednarodni standardi za proizvode ali aplikacijske sektorje ne obstajajo.
1.2 Ta standard še zlasti
a) velja za varnostne sisteme, pri katerih eden ali več od takih sistemov vključuje električne/elektronske/elektronsko programirljive elemente;
OPOMBA 1: V okviru nezapletenih varnostnih sistemov E/E/EP obstajajo nekatere zahteve, opredeljene v tem standardu, lahko nepotrebne, in mogoče je izvzetje od izpolnjevanja takih zahtev (glej točko 4.2 in opredelitev nezapletenih varnostnih sistemov E/E/PE v točki 3.4.3 IEC 61508-4).
OPOMBA 2: Čeprav oseba lahko tvori del varnostnega sistema (glej točko 3.4.1 IEC 61508-4), zahtev za človeške dejavnike, povezane s projektiranjem varnostnih sistemov E/E/PE, ta standard ne obravnava podrobno.
b) je narejen generično in velja za vse E/E/PE-varnostne sisteme, ne glede na aplikacijo;
c) zajema doseganje sprejemljivega tveganja z uporabo varnostnih sistemov E/E/PE, vendar ne zajema nevarnosti, ki izhajajo iz same opreme E/E/PE (na primer elektrošoka);
d) velja za vse vrste varnostnih sistemov E/E/PE, vključno z zaščitnimi in nadzornimi sistemi;
e) ne zajema sistemov E/E/PE, pri katerih
– en sam sistem E/E/PE samostojno dosega sprejemljivo tveganje in
– zahtevana varnostna celovitost varnostnih funkcij enojnega sistema E/E/PE je nižja od varnostne celovitosti, opredeljene za varnostno celovitost stopnje 1 (najnižje stopnje varnostne celovitosti v tem standardu).
f) v glavnem obravnava varnostne sisteme E/E/PE, pri katerih bi okvara lahko vplivala na varnost oseb in/ali okolja, vendar pa se priznava, da bi imele posledice okvare lahko resne ekonomske posledice in v takih primerih standard lahko določil sistem E/E/PE, ki se uporabi za zaščito opreme ali proizvoda;
OPOMBA 3 Glej točko 3.1.1 IEC 61508-4.
g) obravnava varnostne sisteme E/E/PE in druge ukrepe za zmanjševanje tveganja, da
se specifikacije varnostnih zahtev za varnostne sisteme E/E/PE lahko določijo sistematično, kar izhaja iz tveganja;
h) kot tehnični okvir za sistematično obravnavo aktivnosti, potrebnih za zagotavljanje funkcijske varnosti varnostnih sistemov E/E/PE, uporablja celovit model varnostnega cikla;
OPOMBA 4: Čeprav celovit model varnostnega cikla obravnava predvsem varnostne sisteme E/E/PE, lahko zagotavlja tudi tehnični okvir za obravnavo vseh varnostnih sistemov, ne glede na njihovo tehnologijo (na primer mehanskih, hidravličnih ali pnevmatskih).
i) ne določa stopenj varnostne celovitosti, potrebnih za sektorske aplikacije (ki morajo temeljiti na podrobnih informacijah in poznavanju sektorske aplikacije). Tehnični odbori, odgovorni za določen aplikacijski sektor, po potrebi opredelijo stopnje varnostne celovitosti v standardih za aplikacijski sektor;
j) zagotavlja splošne zahteve za varnostne sisteme E/E/PE, za katere ne obstaja mednarodni standard za proizvod ali aplikacijski sektor;
k) zahteva, da se med analizo nevarnosti in tveganja obravnavajo zlonamerna in nepooblaščena dejanja. Obseg analize vključuje vse pomembne faze varnostnega cikla;
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2011
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Functional safety of electrical/electronic/programmable electronic safety-related systems
- Part 1: General requirements (IEC 61508-1:2010)
Funktionale Sicherheit sicherheitsbezogener
elektrischer/elektronischer/programmierbarer elektronischer Systeme -Teil 1: Allgemeine
Anforderungen (IEC 61508-1:2010)
Sécurité fonctionnelle des systèmes électriques/électroniques/électroniques
programmables relatifs à la sécurité - Partie 1: Prescriptions générales (CEI 61508-
1:2010)
Ta slovenski standard je istoveten z: EN 61508-1:2010
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 61508-1
NORME EUROPÉENNE
May 2010
EUROPÄISCHE NORM
ICS 13.110; 25.040; 29.020 Supersedes EN 61508-1:2001
English version
Functional safety of electrical/electronic/programmable electronic
safety-related systems -
Part 1: General requirements
(IEC 61508-1:2010)
Sécurité fonctionnelle des systèmes Funktionale Sicherheit sicherheitsbezogener
électriques/électroniques/électroniques elektrischer/elektronischer/programmierbarer
programmables relatifs à la sécurité - elektronischer Systeme -Teil 1: Allgemeine
Partie 1: Exigences générales Anforderungen
(CEI 61508-1:2010) (IEC 61508-1:2010)
This European Standard was approved by CENELEC on 2010-05-01. 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 Central Secretariat 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 Central Secretariat 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, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61508-1:2010 E
Foreword
The text of document 65A/548/FDIS, future edition 2 of IEC 61508-1, 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 was approved by CENELEC as EN 61508-1 on 2010-05-01.
This European Standard supersedes EN 61508-1:2001.
It has the status of a basic safety publication according to IEC Guide 104.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2011-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2013-05-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61508-1:2010 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:
[1] IEC 61511 series NOTE Harmonized in EN 61511 series (not modified).
[2] IEC 62061 NOTE Harmonized as EN 62061.
[3] IEC 61800-5-2 NOTE Harmonized as EN 61800-5-2.
[5] IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010 (not modified).
[6] IEC 61508-7:2010 NOTE Harmonized as EN 61508-7:2010 (not modified).
[10] IEC 60300-3-1:2003 NOTE Harmonized as EN 60300-3-1:2004 (not modified).
[15] IEC 61326-3-1 NOTE Harmonized as EN 61326-3-1.
[17] IEC 61355 series NOTE Harmonized in EN 61355 series (not modified).
[18] IEC 60601 series NOTE Harmonized in EN 60601 series (partially modified).
[20] IEC 61508-5:2010 NOTE Harmonized as EN 61508-5:2010 (not modified).
__________
- 3 - EN 61508-1:2010
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application 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 When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
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
IEC 61508-4 2010 Functional safety of EN 61508-4 2010
electrical/electronic/programmable electronic
safety-related systems -
Part 4: Definitions and abbreviations
IEC Guide 104 1997 The preparation of safety publications - -
and the use of basic safety publications
and group safety publications
ISO/IEC Guide 51 1999 Safety aspects - Guidelines - -
for their inclusion in standards
IEC 61508-1 ®
Edition 2.0 2010-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
Functional safety of electrical/electronic/programmable electronic safety-related
systems –
Part 1: General requirements
Sécurité fonctionnelle des systèmes électriques/électroniques/électroniques
programmables relatifs à la sécurité –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XB
CODE PRIX
ICS 13.110; 25.040; 29.020 ISBN 978-2-88910-524-3
– 2 – 61508-1 © IEC:2010
CONTENTS
FOREWORD.5
INTRODUCTION.7
1 Scope.9
2 Normative references.12
3 Definitions and abbreviations .12
4 Conformance to this standard .12
5 Documentation .13
5.1 Objectives .13
5.2 Requirements .13
6 Management of functional safety.14
6.1 Objectives .14
6.2 Requirements .14
7 Overall safety lifecycle requirements .17
7.1 General .17
7.1.1 Introduction .17
7.1.2 Objectives and requirements – general .20
7.1.3 Objectives .25
7.1.4 Requirements .25
7.2 Concept.25
7.2.1 Objective .25
7.2.2 Requirements .26
7.3 Overall scope definition .26
7.3.1 Objectives .26
7.3.2 Requirements .26
7.4 Hazard and risk analysis .27
7.4.1 Objectives .27
7.4.2 Requirements .27
7.5 Overall safety requirements .28
7.5.1 Objective .29
7.5.2 Requirements .29
7.6 Overall safety requirements allocation.30
7.6.1 Objectives .30
7.6.2 Requirements .31
7.7 Overall operation and maintenance planning .35
7.7.1 Objective .35
7.7.2 Requirements .35
7.8 Overall safety validation planning.37
7.8.1 Objective .37
7.8.2 Requirements .37
7.9 Overall installation and commissioning planning.38
7.9.1 Objectives .38
7.9.2 Requirements .38
7.10 E/E/PE system safety requirements specification .38
7.10.1 Objective .39
7.10.2 Requirements .39
7.11 E/E/PE safety-related systems – realisation .41
61508-1 © IEC:2010 – 3 –
7.11.1 Objective .41
7.11.2 Requirements .41
7.12 Other risk reduction measures – specification and realisation.41
7.12.1 Objective .41
7.12.2 Requirements .41
7.13 Overall installation and commissioning.41
7.13.1 Objectives .41
7.13.2 Requirements .42
7.14 Overall safety validation.42
7.14.1 Objective .42
7.14.2 Requirements .42
7.15 Overall operation, maintenance and repair .43
7.15.1 Objective .43
7.15.2 Requirements .
...
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