EN 61511-1:2017
(Main)Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming Requirements
Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming Requirements
IEC 61511-1:2016 is available as IEC 61511-1:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61511-1:2016 gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system (SIS), so that it can be confidently entrusted to achieve or maintain a safe state of the process. IEC 61511-1 has been developed as a process sector implementation of IEC 61508:2010.
Funktionale Sicherheit - PLT-Sicherheitseinrichtungen in der Prozessindustrie - Teil 1: Allgemeines, Begriffe, Anforderungen an Systeme, Hardware und Anwendungsprogrammierung
Sécurité fonctionnelle - Systèmes instrumentés de sécurité pour le secteur des industries de transformation - Partie 1: Cadre, définitions, exigences pour le système, le matériel et la programmation d'application
L'IEC 61511-1:2016 décrit les exigences relatives à la spécification, la conception, l'installation, au fonctionnement et à la maintenance d'un système instrumenté de sécurité (SIS, Safety Instrumented System) de manière à ce qu'il puisse être mis en oeuvre en toute confiance pour établir ou maintenir le processus dans un état de sécurité convenable. L'IEC 61511-1 a été conçue pour être une mise en oeuvre de l'IEC 61508:2010 dans le secteur des industries de transformation.
Funkcijska varnost - Sistemi z varnostnimi instrumenti za sektor procesne industrije - 1. del: Zahteve za ogrodja, definicije, zahteve za sistem ter strojno in programsko opremo (IEC 61511-1:2016 + COR1:2016)
Ta del standarda IEC 61511 določa zahteve za specifikacijo, zasnovo, namestitev, delovanje in vzdrževanje sistema z varnostnimi instrumenti (SIS), tako da mu je mogoče zaupati, da bo dosegel ali ohranjal varno stanje postopka. Standard IEC 61511-1 je bil zasnovan kot izvedba procesnega sektorja za standard IEC 61508:2010.
Standard IEC 61511-1:
a) določa zahteve za doseganje funkcionalne varnosti, vendar ne določa, kdo je odgovoren za izvajanje zahtev (npr. načrtovalci, dobavitelji, lastnik/operativna družba, pogodbenik). Ta odgovornost bo dodeljena različnim strankam v skladu z načrtovanjem varnosti, načrtovanjem in upravljanjem projekta ter nacionalnimi predpisi.
b) se uporablja, kadar so naprave, ki izpolnjujejo zahteve skupine standardov IEC 61508, objavljene leta 2010, ali v standardu IEC 61511-1:2016 [11.5], vgrajene v celoten sistem, ki je namenjen uporabi v procesnem sektorju. Ne uporablja se za proizvajalce, ki želijo trditi, da so naprave primerne za uporabo v sistemih z varnostnimi instrumenti za procesni sektor (glej standarda IEC 61508-2:2010 in IEC 61508-3:2010);
c) določa razmerje med standardoma IEC 61511 in IEC 61508 (glej sliki 2 in 3);
d) se uporablja, kadar so aplikacijski programi razviti za sisteme z jezikom z omejeno variabilnostjo ali pri uporabi naprav s fiksnim programskim jezikom, vendar se ne uporablja za proizvajalce, načrtovalce sistemov z varnostnimi instrumenti, integratorje in uporabnike, ki razvijajo vdelano programsko opremo (sistemska programska oprema) ali uporabljajo jezike s polno variabilnostjo (glej standard IEC 61508 -3:2010);
e) se uporablja za širok nabor panog v procesnem sektorju, npr. za kemikalije, nafto in plin, papirno kašo in papir, zdravila, hrano in pijačo ter nejedrsko proizvajanje energije;
OPOMBA 1: Nekatere aplikacije v procesnem sektorju imajo lahko dodatne zahteve, ki jih je treba izpolniti.
f) opredeljuje razmerje med funkcijami z varnostnimi instrumenti in drugimi funkcijami z instrumenti (glej sliko 4);
g) omogoča identifikacijo funkcionalnih zahtev in zahtev glede varnostne celovitosti za funkcije z varnostnimi instrumenti, pri čemer upošteva zmanjšanje tveganja zaradi drugih metod;
h) določa zahteve glede življenjskega cikla za sistemsko arhitekturo in strojno konfiguracijo, programiranje aplikacij in integracijo sistema;
i) določa zahteve za programiranje aplikacij za uporabnike in integratorje sistemov z varnostnimi instrumenti;
j) se uporablja, če se funkcionalna varnost doseže z uporabo ene ali več funkcij z varnostnimi instrumenti za zaščito osebja/splošne javnosti ali varstvo okolja;
k) se lahko uporabi za aplikacije, ki niso povezane z varnostjo, na primer za zaščito sredstev;
l) določa zahteve za implementacijo funkcij z varnostnimi instrumenti kot del celotnih dogovorov za dosego funkcionalne varnosti;
m) uporablja varnostni življenjski cikel sistemov z varnostnimi instrumenti (glej sliko 7) in opredeljuje seznam dejavnosti, ki so potrebne za določitev funkcionalnih zahtev in varnostne celovitosti za sisteme z varnostnimi instrumenti.
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Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2017
1DGRPHãþD
SIST EN 61511-1:2007
Funkcijska varnost - Sistemi z varnostnimi instrumenti za sektor procesne
industrije - 1. del: Zahteve za ogrodja, definicije, zahteve za sistem ter strojno in
programsko opremo (IEC 61511-1:2016 + COR1:2016)
Functional safety - Safety instrumented systems for the process industry sector - Part 1:
Framework, definitions, system, hardware and application programming Requirements
(IEC 61511-1:2016 + COR1:2016)
Funktionale Sicherheit - Sicherheitstechnische Systeme für die Prozessindustrie - Teil 1:
Allgemeines, Begriffe, Anforderungen an Systeme, Hardware und
Anwendungsprogrammierung (IEC 61511-1:2016 + COR1:2016)
Sécurité fonctionnelle - Systèmes instrumentés de sécurité pour le secteur des industries
de transformation - Partie 1: Cadre, définitions, exigences pour le système, le matériel et
la programmation d'application (IEC 61511-1:2016 + COR1:2016)
Ta slovenski standard je istoveten z: EN 61511-1:2017
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 61511-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2017
ICS 13.110; 25.040.01 Supersedes EN 61511-1:2004
English Version
Functional safety - Safety instrumented systems for the process
industry sector - Part 1: Framework, definitions, system,
hardware and application programming Requirements
(IEC 61511-1:2016 + COR1:2016)
Sécurité fonctionnelle - Systèmes instrumentés de sécurité Funktionale Sicherheit - Sicherheitstechnische Systeme für
pour le secteur des industries de transformation - die Prozessindustrie - Teil 1: Allgemeines, Begriffe,
Partie 1: Cadre, définitions, exigences pour le système, le Anforderungen an Systeme, Hardware und
matériel et la programmation d'application Anwendungsprogrammierung
(IEC 61511-1:2016 + COR1:2016) (IEC 61511-1:2016 + COR1:2016)
This European Standard was approved by CENELEC on 2016-03-30. 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, 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61511-1:2017 E
European foreword
The text of document 65A/777/FDIS, future edition 2 of IEC 61511-1, 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 approved by CENELEC as EN 61511-1:2017.
The following dates are fixed:
(dop) 2017-10-21
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-04-21
standards conflicting with the
document have to be withdrawn
This document supersedes EN 61511-1:2004.
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 61511-1:2016 + COR1:2016 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 60300-3-2:2004 NOTE Harmonized as EN 60300-3-2:2005 (not modified).
IEC 61025 NOTE Harmonized as EN 61025.
IEC 61131-3:2013 NOTE Harmonized as EN 61131-3:2013 (not modified).
IEC 61131-6:2012 NOTE Harmonized as EN 61131-6:2012 (not modified).
IEC 61508-4:2010 NOTE Harmonized as EN 61508-4:2010 (not modified).
IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010 (not modified).
IEC 61511-2 NOTE Harmonized as EN 61511-2.
IEC 61511-3 NOTE Harmonized as EN 61511-3.
IEC 61784-3:2010 NOTE Harmonized as EN 61784-3:2010 (not modified).
IEC 62682:2014 NOTE Harmonized as EN 62682:2015 (not modified).
1)
ISO 9000:2005 NOTE Harmonized as EN ISO 9000:2005 (not modified).
2)
ISO 9001:2008 NOTE Harmonized as EN ISO 9001:2008 (not modified).
3)
ISO 13849-1:2006 NOTE Harmonized as EN ISO 13849-1:2006 (not modified).
ISO 13849-2:2012 NOTE Harmonized as EN ISO 13849-2:2012 (not modified).
ISO 14224:2006 NOTE Harmonized as EN ISO 14224:2006 (not modified).
1)
Superseded by EN ISO 9000:2015 (ISO 9000:2015).
2)
Superseded by EN ISO 9001:2015 (ISO 9001:2015).
3)
Superseded by EN ISO 13849-1:2015 (ISO 13849-1:2015).
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 61508-1 2010 Functional safety of EN 61508-1 2010
electrical/electronic/programmable
electronic safety-related systems -
Part 1: General requirements
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 61511-1 ®
Edition 2.0 2016-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Functional safety – Safety instrumented systems for the process industry
sector –
Part 1: Framework, definitions, system, hardware and application programming
requirements
Sécurite fonctionnelle – Systèmes instrumentes de sécurité pour le secteur des
industries de transformation –
Partie 1: Cadre, définitions, exigences pour le système, le matériel et la
programmation d'application
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.110; 25.040.01 ISBN 978-2-8322-3159-3
– 2 – IEC 61511-1:2016 IEC 2016
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 9
2 Normative references. 12
3 Terms, definitions and abbreviations . 13
3.1 Terms . 13
3.2 Terms and definitions . 13
3.3 Abbreviations . 31
4 Conformance to the IEC 61511-1:2016 . 33
5 Management of functional safety . 33
5.1 Objective . 33
5.2 Requirements . 33
5.2.1 General . 33
5.2.2 Organization and resources . 33
5.2.3 Risk evaluation and risk management . 34
5.2.4 Safety planning . 34
5.2.5 Implementing and monitoring . 34
5.2.6 Assessment, auditing and revisions . 35
5.2.7 SIS configuration management . 37
6 Safety life-cycle requirements . 37
6.1 Objectives . 37
6.2 Requirements . 38
6.3 Application program SIS safety life-cycle requirements . 40
7 Verification . 43
7.1 Objective . 43
7.2 Requirements . 43
8 Process H&RA . 45
8.1 Objectives . 45
8.2 Requirements . 45
9 Allocation of safety functions to protection layers . 46
9.1 Objectives . 46
9.2 Requirements of the allocation process . 46
9.3 Requirements on the basic process control system as a protection layer . 49
9.4 Requirements for preventing common cause, common mode and dependent
failures . 50
10 SIS safety requirements specification (SRS) . 50
10.1 Objective . 50
10.2 General requirements . 50
10.3 SIS safety requirements . 50
11 SIS design and engineering . 53
11.1 Objective . 53
11.2 General requirements . 53
11.3 Requirements for system behaviour on detection of a fault . 54
11.4 Hardware fault tolerance . 55
11.5 Requirements for selection of devices . 56
IEC 61511-1:2016 IEC 2016 – 3 –
11.5.1 Objectives . 56
11.5.2 General requirements . 56
11.5.3 Requirements for the selection of devices based on prior use . 56
11.5.4 Requirements for selection of FPL programmable devices (e.g., field
devices) based on prior use .
...
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