IEC 63044-1:2017
(Main)Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 1: General requirements
Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 1: General requirements
IEC 63044-1:2017 applies to all Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) and specifies the general requirements for these systems and products. This document is applicable (but not limited) to
operator stations and other human–system interface devices,
devices for management functions,
control devices, automation stations and application specific controllers,
field devices and their interfaces, and
cabling and interconnection of devices
used within a dedicated HBES/BACS network. This document provides an overview of the IEC 63044 series. To enable integration of a wide spectrum of applications, the IEC 63044 series covers
electrical safety,
functional safety,
environmental conditions,
EMC requirements, and
installation and cabling rules and topologies.
IEC 63044 is a series of product family standards.
Systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) et systèmes de gestion technique du bâtiment (SGTB) - Partie 1: Exigences générales
L'IEC 63044-1:2017 s'applique à tous les systèmes électroniques pour les foyers domestiques et/ou les bâtiments (HBES) et à tous les systèmes de gestion technique du bâtiment (SGTB). Elle spécifie les exigences générales concernant ces systèmes et produits. Le présent document est applicable (mais pas limitée) aux
postes d'opérateur et autres dispositifs d'interface homme–système,
dispositifs pour des fonctions de gestion,
dispositifs de commande, postes d'automatisation et contrôleurs spécifiques à une application,
dispositifs de terrain, et
câblage et interconnexion des dispositifs
utilisés dans un réseau HBES/SGTB. Le présent document fournit une vue d'ensemble de la série IEC 63044. Pour permettre l'intégration d'un large spectre d'applications, la série IEC 63044 couvre les éléments suivants:
la sécurité électrique;
la sécurité fonctionnelle;
les conditions d’environnement;
les exigences CEM;
les règles et les topologies d'installation et de câblage.
L'IEC 63044 est une série de normes de famille de produits.
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IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
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Stay up to date on all new IEC publications. Just Published
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and French, with equivalent terms in 18 additional languages.
a month by email.
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(IEV) online.
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further assistance, please contact the Customer Service
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IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.01; 29.120.99 ISBN 978-2-8322-9780-3
IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
REDLINE VERSION
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
– 2 – IEC 63044-1:2017+AMD1:2021 CSV
© IEC 2021
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 5
3.1 Terms and definitions . 5
3.2 Abbreviated terms . 7
4 General requirements . 7
5 Standardization structure . 7
5.1 Part 2: Environmental conditions . 7
5.2 Part 3: Electrical safety requirements . 7
5.3 Part 4: Functional safety . 8
5.4 Part 5: EMC requirements . 8
5.4.1 Overview . 8
5.4.2 Part 5-1: EMC requirements, conditions and test set-up . 8
5.4.3 Part 5-2: EMC requirements for HBES/BACS used in residential,
commercial and light-industrial environments . 8
5.4.4 Part 5-3: EMC requirements for HBES/BACS used in industrial
environments . 8
5.5 Part 6: Planning and installation of HBES . 9
6 HBES/BACS applications and clusters overview .
Bibliography . 11
Table 1 – Summary of the most relevant application requirements .
Table 2 – Applications and clusters of services for HBES/BACS .
© IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This consolidated version of the official IEC Standard and its amendment has been
prepared for user convenience.
IEC 63044-1 edition 1.1 contains the first edition (2017-01) [documents 23/734/CDV and
23/746/RVC] and its amendment 1 (2021-05) [documents 23/913/CDV and 23/962A/RVC].
In this Redline version, a vertical line in the margin shows where the technical content
is modified by amendment 1. Additions are in green text, deletions are in strikethrough
red text. A separate Final version with all changes accepted is available in this
publication.
– 4 – IEC 63044-1:2017+AMD1:2021 CSV
© IEC 2021
International Standard IEC 63044-1 has been prepared by IEC technical committee 23:
Electrical accessories.
A list of all parts in the IEC 63044 series, published under the general title Home and Building
Electronic Systems (HBES) and Building Automation and Control Systems (BACS), can be
found on the IEC website.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of the base publication and its amendment will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
© IEC 2021
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
1 Scope
This part of IEC 63044 applies to all Home and Building Electronic Systems (HBES) and
Building Automation and Control Systems (BACS) and specifies the general requirements for
these systems and products.
This document is applicable (but not limited) to
– operator stations and other human–system interface devices,
– devices for management functions,
– control devices, automation stations and application specific controllers,
– field devices and their interfaces, and
– cabling and interconnection of devices
used within a dedicated HBES/BACS network.
This document provides an overview of the IEC 63044 series.
To enable integration of a wide spectrum of applications, the IEC 63044 series covers
• electrical safety,
• functional safety,
• environmental conditions,
• EMC requirements, and
• installation and cabling rules and topologies.
IEC 63044 is a series of product family standards
2 Normative references
There are no normative references in this document.
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
– 6 – IEC 63044-1:2017+AMD1:2021 CSV
© IEC 2021
3.1.1
home and building electronic/building automation and control products
HBES/BACS products
devices intended to be used for control, monitoring, operation or management of building
services and/or home electronic systems which can interact via a dedicated HBES/BACS
network
gateway
functional unit that connects different networks through interfaces
3.1.2
HBES/BACS network
interconnection between HBES/BACS products used for communication
Note 1 to entry: An HBES/BACS network can carry digital data as well as analogue signals.
network based on one physical layer that facilitates the communication in HBES/BACS
Note 1 to entry: Examples of HBES/BACS networks are RF, twisted pair, PLC.
Note 2 to entry: HBES/BACS can be supported by different networks.
3.1.3
HBES/BACS
combination of HBES/BACS products (including their separate connected/detachable devices)
linked together via one or more HBES/BACS networks
Note 1 to entry: Other names used such as "home control network", "home control systems", "home and building
electronic systems", "building systems", "building automation system", etc. describe types of HBES/BACS system.
system consisting of control devices, processing equipment, network interfaces, and
gateways, where the functions are distributed and linked through a common communication
process, managing multiple applications in home and building premises
Note 1 to entry: Examples of applications are heating, alarming, shading and lighting.
Note 2 to entry: The term "managing" includes one or more activities such as measuring, monitoring and
controlling.
Note 3
...
IEC 63044-1 ®
Edition 1.0 2017-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Home and Building Electronic Systems (HBES) and Building Automation and
Control Systems (BACS) –
Part 1: General requirements
Systèmes Electroniques pour les Foyers Domestiques et les Bâtiments (HBES)
et Systèmes de Gestion Technique du Bâtiment (SGTB) –
Partie 1: Exigences générales
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
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3, rue de Varembé Fax: +41 22 919 03 00
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Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
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iPad. Vocabulary (IEV) online.
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IEC 63044-1 ®
Edition 1.0 2017-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Home and Building Electronic Systems (HBES) and Building Automation and
Control Systems (BACS) –
Part 1: General requirements
Systèmes Electroniques pour les Foyers Domestiques et les Bâtiments (HBES)
et Systèmes de Gestion Technique du Bâtiment (SGTB) –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.01; 29.120.99 ISBN 978-2-8322-3874-5
– 2 – IEC 63044-1:2017 © IEC 2017
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 5
3.1 Terms and definitions . 5
3.2 Abbreviated terms . 6
4 General requirements . 6
5 Standardization structure . 7
5.1 Part 2: Environmental conditions . 7
5.2 Part 3: Electrical safety requirements . 7
5.3 Part 4: Functional safety . 7
5.4 Part 5: EMC requirements . 7
5.4.1 Overview . 7
5.4.2 Part 5-1: EMC requirements, conditions and test set-up . 7
5.4.3 Part 5-2: EMC requirements for HBES/BACS used in residential,
commercial and light-industrial environments . 7
5.4.4 Part 5-3: EMC requirements for HBES/BACS used in industrial
environments . 8
5.5 Part 6: Planning and installation of HBES . 8
6 HBES/BACS applications and clusters overview . 8
Bibliography . 11
Table 1 – Summary of the most relevant application requirements . 9
Table 2 – Applications and clusters of services for HBES/BACS . 10
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 63044-1 has been prepared by IEC technical committee 23:
Electrical accessories.
A list of all parts in the IEC 63044 series, published under the general title Home and Building
Electronic Systems (HBES) and Building Automation and Control Systems (BACS), can be
found on the IEC website.
The text of this International Standard is based on the following documents:
CDV Report on voting
23/734/CDV 23/746/RVC
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
– 4 – IEC 63044-1:2017 © IEC 2017
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
1 Scope
This part of IEC 63044 applies to all Home and Building Electronic Systems (HBES) and
Building Automation and Control Systems (BACS) and specifies the general requirements for
these systems and products.
This document is applicable (but not limited) to
– operator stations and other human–system interface devices,
– devices for management functions,
– control devices, automation stations and application specific controllers,
– field devices and their interfaces, and
– cabling and int
...
IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
Systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) et
systèmes de gestion technique du bâtiment (SGTB) –
Partie 1: Exigences générales
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always
committee, …). It also gives information on projects, replaced have access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 000 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 18 additional languages.
once a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc
If you wish to give us your feedback on this publication or
need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
A propos de l'IEC
La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications IEC
Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la
plus récente, un corrigendum ou amendement peut avoir été publié.
Recherche de publications IEC - IEC online collection - oc.iec.ch
webstore.iec.ch/advsearchform Découvrez notre puissant moteur de recherche et consultez
La recherche avancée permet de trouver des publications IEC gratuitement tous les aperçus des publications. Avec un
en utilisant différents critères (numéro de référence, texte, abonnement, vous aurez toujours accès à un contenu à jour
comité d’études, …). Elle donne aussi des informations sur adapté à vos besoins.
les projets et les publications remplacées ou retirées.
Electropedia - www.electropedia.org
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IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
Systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) et
systèmes de gestion technique du bâtiment (SGTB) –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.01; 29.120.99 ISBN 978-2-8322-5491-2
IEC 63044-1 ®
Edition 1.1 2021-05
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Home and building electronic systems (HBES) and building automation and
control systems (BACS) –
Part 1: General requirements
Systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) et
systèmes de gestion technique du bâtiment (SGTB) –
Partie 1: Exigences générales
– 2 – IEC 63044-1:2017+AMD1:2021 CSV
© IEC 2021
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 5
3.1 Terms and definitions . 5
3.2 Abbreviated terms . 7
4 General requirements . 7
5 Standardization structure . 7
5.1 Part 2: Environmental conditions . 7
5.2 Part 3: Electrical safety requirements . 7
5.3 Part 4: Functional safety . 8
5.4 Part 5: EMC requirements . 8
5.4.1 Overview . 8
5.4.2 Part 5-1: EMC requirements, conditions and test set-up . 8
5.4.3 Part 5-2: EMC requirements for HBES/BACS used in residential,
commercial and light-industrial environments . 8
5.4.4 Part 5-3: EMC requirements for HBES/BACS used in industrial
environments . 8
5.5 Part 6: Planning and installation of HBES . 9
6 HBES/BACS applications and clusters overview .
Bibliography . 11
Table 1 – Summary of the most relevant application requirements .
Table 2 – Applications and clusters of services for HBES/BACS .
© IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
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governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
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5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This consolidated version of the official IEC Standard and its amendment has been
prepared for user convenience.
IEC 63044-1 edition 1.1 contains the first edition (2017-01) [documents 23/734/CDV and
23/746/RVC] and its amendment 1 (2021-05) [documents 23/913/CDV and 23/962A/RVC].
In this Redline version, a vertical line in the margin shows where the technical content
is modified by amendment 1. Additions are in green text, deletions are in strikethrough
red text. A separate Final version with all changes accepted is available in this
publication.
– 4 – IEC 63044-1:2017+AMD1:2021 CSV
© IEC 2021
International Standard IEC 63044-1 has been prepared by IEC technical committee 23:
Electrical accessories.
A list of all parts in the IEC 63044 series, published under the general title Home and Building
Electronic Systems (HBES) and Building Automation and Control Systems (BACS), can be
found on the IEC website.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of the base publication and its amendment will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
© IEC 2021
HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND
BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) –
Part 1: General requirements
1 Scope
This part of IEC 63044 applies to all Home and Building Electronic Systems (HBES) and
...
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