EN 61800-5-2:2007

SLOVENSKI STANDARD
01-januar-2008
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Adjustable speed electrical power drive systems - Part 5-2: Safety requirements -
Functional (IEC 61800-5-2:2007)
Elektrische Leistungsantriebssysteme mit einstellbarer Drehzahl - Teil 5-2:
Anforderungen an die Sicherheit - Funktionale Sicherheit (IEC 61800-5-2:2007)
Entraînements électriques de puissance a vitesse variable - Partie 5-2: Exigences de
sécurité - Fonctionnalité (IEC 61800-5-2:2007)
Ta slovenski standard je istoveten z: EN 61800-5-2:2007
ICS:
13.110 Varnost strojev Safety of machinery
29.200 8VPHUQLNL3UHWYRUQLNL Rectifiers. Convertors.
6WDELOL]LUDQRHOHNWULþQR Stabilized power supply
QDSDMDQMH
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61800-5-2
NORME EUROPÉENNE
October 2007
EUROPÄISCHE NORM
ICS 29.200; 13.110
English version
Adjustable speed electrical power drive systems -
Part 5-2: Safety requirements -
Functional
(IEC 61800-5-2:2007)
Entraînements électriques de puissance  Elektrische Leistungsantriebssysteme
à vitesse variable - mit einstellbarer Drehzahl -
Partie 5-2: Exigences de sécurité - Teil 5-2: Anforderungen an die Sicherheit -
Fonctionnalité Funktionale Sicherheit
(CEI 61800-5-2:2007) (IEC 61800-5-2:2007)

This European Standard was approved by CENELEC on 2007-10-01. 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, 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

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61800-5-2:2007 E
Foreword
The text of document 22G/179/FDIS, future edition 1 of IEC 61800-5-2, prepared by SC 22G, Adjustable
speed electric drive systems incorporating semiconductor power converters, of IEC TC 22, Power
electronic systems and equipment, was submitted to the IEC-CENELEC parallel vote and was approved
by CENELEC as EN 61800-5-2 on 2007-10-01.
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) 2008-07-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2010-10-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directives 98/37/EC and 2006/42/EC. See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61800-5-2:2007 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 NOTE Harmonized as EN 60300-3-1:2004 (not modified).
IEC 60664-1 NOTE Harmonized as EN 60664-1:2003 (not modified).

IEC 60664-3 NOTE Harmonized as EN 60664-3:2003 (not modified).

IEC 61025 NOTE Harmonized as EN 61025:2007 (not modified).
IEC 61078 NOTE Harmonized as EN 61078:2006 (not modified).
IEC 61165 NOTE Harmonized as EN 61165:2006 (not modified).
IEC 61508-4 NOTE Harmonized as EN 61508-4:2001 (not modified).
IEC 61511 NOTE Harmonized in EN 61511 series (not modified).
IEC 61511-1 NOTE Harmonized as EN 61511-1:2004 (not modified).
IEC 61558 NOTE Harmonized in EN 61558 series (partially modified).
IEC 61558-1 NOTE Harmonized as EN 61558-1:2005 (not modified).
IEC 62061 NOTE Harmonized as EN 62061:2005 (not modified).
ISO 13849-1 NOTE Harmonized as EN ISO 13849-1:2006 (not modified).
ISO 13849-2 NOTE Harmonized as EN ISO 13849-2:2003 (not modified).
__________
– 3 – EN 61800-5-2:2007
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
1) 2)
IEC 60204-1 – Safety of machinery - Electrical equipment EN 60204-1 2006
(mod) of machines -
Part 1: General requirements
IEC 61508 Series Functional safety of EN 61508 Series
electrical/electronic/programmable electronic
safety-related systems
IEC 61508-1 1998 Functional safety of
+ corr. May 1999 electrical/electronic/programmable electronic EN 61508-1 2001
safety-related systems -
Part 1: General requirements
IEC 61508-2 2000 Functional safety of EN 61508-2 2001
electrical/electronic/programmable electronic
safety-related systems -
Part 2: Requirements for
electrical/electronic/programmable electronic
safety-related systems
IEC 61508-3 1998 Functional safety of
+ corr. April 1999 electrical/electronic/programmable electronic EN 61508-3 2001
safety-related systems -
Part 3: Software requirements
1) 2)
IEC 61508-5 – Functional safety of EN 61508-5 2001
electrical/electronic/programmable electronic
safety-related systems -
Part 5: Examples of methods for the
determination of safety integrity levels

IEC 61508-6 2000 Functional safety of EN 61508-6 2001
electrical/electronic/programmable electronic
safety-related systems -
Part 6: Guidelines on the application of
IEC 61508-2 and IEC 61508-3
1)
Undated reference.
2)
Valid edition at date of issue.

Publication Year Title EN/HD Year
IEC 61508-7 2000 Functional safety of EN 61508-7 2001
electrical/electronic/programmable electronic
safety-related systems -
Part 7: Overview of techniques and measures

1) 2)
IEC 61800-1 – Adjustable speed electrical power drive EN 61800-1 1998
systems -
Part 1: General requirements - Rating
specifications for low voltage adjustable
speed d.c. power drive systems

1) 2)
IEC 61800-2 – Adjustable speed electrical power drive EN 61800-2 1998
systems -
Part 2: General requirements - Rating
specifications for low voltage adjustable
frequency a.c. power drive systems

1) 2)
IEC 61800-3 – Adjustable speed electrical power drive EN 61800-3 2004
systems -
Part 3: EMC requirements and specific test
methods
1) 2)
IEC 61800-4 – Adjustable speed electrical power drive EN 61800-4 2003
systems -
Part 4: General requirements - Rating
specifications for a.c. power drive systems
above 1 000 V a.c. and not exceeding 35 kV

3)
IEC 61800-5-1 2003 Adjustable speed electrical power drive EN 61800-5-1 2003
systems -
Part 5-1: Safety requirements - Electrical,
thermal and energy
IEC 62280 Series Railway applications - Communication, – –
signalling and processing systems

3)
EN 61800-5-1 is superseded by EN 61800-5-1:2007, which is based on IEC 61800-5-1:2007.

– 5 – EN 61800-5-2:2007
Annex ZZ
(informative)
Coverage of Essential Requirements of EC Directives

Annex ZZA
(informative)
Coverage of Essential Requirements of Directive 98/37/EC

This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers the
following essential requirements out of those given in Annex I of the EC Directive 98/37/EC:

– 1.2.1;
– 1.2.7.
Compliance with this standard provides one means of conformity with the specified essential requirements
of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
Annex ZZB
(informative)
Coverage of Essential Requirements of Directive 2006/42/EC

This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers the
following essential requirements out of those given in Annex I of the EC Directive 2006/42/EC:

– 1.2.1.
Compliance with this standard provides one means of conformity with the specified essential requirements
of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
INTERNATIONAL IEC
STANDARD 61800-5-2
First edition
2007-07
Adjustable speed electrical power drive systems –
Part 5-2:
Safety requirements –
Functional
PRICE CODE
Commission Electrotechnique Internationale XB
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

– 2 – 61800-5-2 © IEC:2007(E)
CONTENTS
FOREWORD.5
INTRODUCTION.7

1 Scope and object.8
2 Normative references .9
3 Terms and definitions .10
4 Designated safety functions.15
4.1 General .15
4.2 Safety functions .16
4.2.1 Limit values .16
4.2.2 Stopping functions.16
4.2.3 Other safety functions.17
5 Management of functional safety .18
5.1 Objective.18
5.2 PDS(SR) development lifecycle .18
5.3 Functional safety planning.19
5.4 Safety requirements specification (SRS) for a PDS(SR) .21
5.4.1 General .21
5.4.2 Safety functionality requirements specification .21
5.4.3 Safety integrity requirements specification.22
6 Requirements for design and development of a PDS(SR) .22
6.1 General requirements.22
6.1.1 Change in operational status .22
6.1.2 Design standards.22
6.1.3 Realisation .23
6.1.4 Safety integrity and fault detection.23
6.1.5 Safety and non-safety functions.23
6.1.6 SIL to be used .23
6.1.7 Software requirements.23
6.1.8 Review of requirements .23
6.1.9 Design documentation .24
6.2 PDS(SR) design requirements.24
6.2.1 Requirements for probability of dangerous random hardware failures
per hour (PFH) .24
6.2.2 Architectural constraints .26
6.2.3 Estimation of safe failure fraction (SFF).28
6.2.4 Requirements for systematic safety integrity of a PDS(SR) and
PDS(SR) subsystems .
...