EN 50491-1:2014

SLOVENSKI STANDARD
01-september-2014
Splošne zahteve za stanovanjske in stavbne elektronske sisteme (HBES) ter
sisteme za avtomatizacijo in krmiljenje stavb (BACS) - 1. del: Splošne zahteve
General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) - Part 1: General requirements
Allgemeine Anforderungen an die elektrische Systemtechnik für Heim und Gebäude
(ESHG) und an Systeme der Gebäudeautomation (GA) - Teil 1: Allgemeine
Anforderungen
Exigences générales pour systèmes électroniques pour les foyers domestiques et les
bâtiments (HBES) et pour systèmes de gestion technique du bâtiment (SGTB) - Partie 1:
Exigences générales
Ta slovenski standard je istoveten z: EN 50491-1:2014
ICS:
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50491-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2014
ICS 97.120
English Version
General requirements for Home and Building Electronic Systems
(HBES) and Building Automation and Control Systems (BACS) -
Part 1: General requirements
Exigences générales pour systèmes électroniques pour les Allgemeine Anforderungen an die Elektrische
foyers domestiques et les bâtiments (HBES) et pour Systemtechnik für Heim und Gebäude (ESHG) sowie an
systèmes de gestion technique du bâtiment (SGTB) - Partie Systeme der Gebäudeautomation (GA) -Teil 1: Allgemeine
1: Exigences générales Anforderungen
This European Standard was approved by CENELEC on 2014-03-10. 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
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50491-1:2014 E
Contents Page
Foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms, definitions and abbreviations . 5
3.1 Terms and definitions . 5
3.2 Abbreviations . 6
4 General requirements . 6
5 Elements of the HBES Open Communication System Architecture . 6
5.1 EN 50491-2, Environmental conditions . 6
5.2 EN 50491-3, Electrical safety requirements . 6
5.3 EN 50491-4, Functional safety — EN 50491-4-1, General requirements . 7
5.4 EN 50491-5, EMC requirements . 7
5.4.1 EN 50491-5-1, EMC general requirements, conditions and test set-up . 7
5.4.2 EN 50491-5-2, EMC requirements for residential, commercial and light industry
environments . 7
5.4.3 EN 50491-5-3, EMC requirements for building industry environments. 7
5.5 EN 50491-6, Installation of HBES . 7
5.5.1 CLC/TR 50491-6-2, Inspection and testing (under consideration) . 7
5.5.2 CLC/TR 50491-6-3, Definition of levels of HBES installations . 7
5.5.3 prEN 50491-11 Smart metering — Application specification — Home display; . 7
5.5.4 prEN 50491-12 Smart grid — Application specification — Interface and framework for
customer . 8
6 HBES/BACS applications and clusters overview . 8
Table 1 - Summary of the most relevant application requirements . 9
Table 2 - Applications and cluster of services for HBES/BACS . 10
Bibliography . 11

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Foreword
This document (EN 50491-1:2014) has been prepared by CLC/TC 205 “Home and Building Electronic
Systems (HBES)”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2015–03–10
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2017–03–10
conflicting with this document have to
be withdrawn
EN 50491-1 is part of the EN 50491 series, which comprises the following parts under the generic title
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and
Control Systems (BACS):
- Part 1: General requirements;
- Part 2: Environmental conditions;
- Part 3: Electrical safety requirements;
- Part 4-1: General functional safety requirements for products intended to be integrated in Building
Electronic Systems (HBES) and Building Automation and Control Systems (BACS);
- Part 5-1: EMC requirements, conditions and test set-up;
- Part 5-2: EMC requirements for HBES/BACS used in residential, commercial and light industry
environment;
- Part 5-3: EMC requirements for HBES/BACS used in industry environment;
- Part 6-3: HBES installations — Assessment and definition of levels [Technical Report];
- Part 11: Smart Metering — Application Specifications — Simple External Consumer Display; (under
development);
- Part 12: Smart grid — Application specification — Interface and framework for customer (under
development).
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.

1 Scope
This European Standard applies to all Home and Building Electronic Systems (HBES) and Building
Automation Control Systems (BACS) and specifies the general requirements for these systems and products
covering the following functionalities:
- HBES class 1: simple control and command;
- HBES class 2: simple voice and stable video transmission including class 1;
- HBES class 3: video transfers including class 2.
This European Standard provides an overview of this series of European Standards.
To enable integration of a wide spectrum of applications, EN 50491 series covers:
- electrical safety,
- functional safety,
- environmental conditions,
- EMC requirements,
- installation and cabling rules and topologies,
- Smart Metering – Application specification (under development),
- Smartgrid Application specification Interface and framework (under development).
— —
EN 50491 series is a product family standard.
2 Normative references
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.
EN 50174-2, Information technology — Cabling installation — Part 2: Installation planning and practices inside
buildings
EN 50491-2, General requirements for Home and Building Electronic Systems (HBES) and Building

Automation and Control Systems (BACS) — Part 2: Environmental conditions
EN 50491-3, General requirements for Home and Building Electronic Systems (HBES) and Building

Automation and Control Systems (BACS) - Part 3: Electrical safety requirements
EN 50491-4-1, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 4-1: General functional safety requirements for products
intended to be integrated in Building Electronic Systems (HBES) and Building Automation and Control
Systems (BACS)
EN 50491-5-1, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 5-1: EMC requirements, conditions and test set-up

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EN 50491-5-2, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 5-2: EMC requirements for HBES/BACS used in residential,
commercial and light industry environment
EN 50491-5-3, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 5-3: EMC requirements for HBES/BACS used in industry
environment
CLC/TR 50491-6-3, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 6-3: HBES installations — Assessment and definition of
levels
prEN 50491-11, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 11: Smart Metering — Application Specifications — Simple
External Consumer Display
prEN 50491-12, General requirements for Home and Building Electronic Systems (HBES) and Building
Automation and Control Systems (BACS) — Part 12: Smart grid — Application specification — Interface and
framework for customer
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
HBES/BACS network
interconnection between HBES/BACS products, carrying digital data, analogue signals or both. A
HBES/BACS system is a combination of HBES/BACS products including their separate connected/detachable
devices linked together via one or more HBES/BACS networks
Note 1 to entry: Commonly used names to describe HBES/BACS are “home control network“, “home control systems“,
“home and building electronic systems“, “building systems“, “building automation system“, “home automation system“ etc.
3.1.2
interface
shared boundary between two implementations of functions belonging to one or more functional groupings
3.1.3
interoperability
ability of devices to exchange commands via the higher layers resulting in meaningful actions, including
aspects of the application domain, which by definitions is beyond the OSI domain
3.1.4
service
benefit provided by an interapplication binding, or a local controller or remotely by a Service Provider to a
consumer, and using entities and functions of applications that are available to it
3.1.5
cluster
group of applications using the same type of HBES for approximately the same type of information to be
exchange driven by the same industrial and market sector

3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
BACS Building Automation and Control Systems
HBES Home and Building Electronic Systems
HVAC Heating, Ventilation and Air Conditioning
4 General requirements
A product claiming compliance with the EN 50491 series shall comply with all applicable parts of EN 50491
listed under Clause 2 in the framework of its intended use as declared by the manufacturer. Compliance with
single parts of the EN 50491 series shall be notified individually in the product documentation (e.g. compliant
with EN 50491-3, EN 50491-5-1 and −5-2; etc).
5 Elements of the HBES Open Communication System Architecture
5.1 EN 50491-2, Environmental conditions
Part 2 of EN 50491 provides the environmental conditions for all devices connected to HBES/BACS and
defines the general requirements for devices operating in weather protected and non-weather protected
locations, sea environments, portable use and also for storage and transport.
Part 2 of EN 50491 is applicable (but not limited) to:
– operator stations and other human system interfac
...