1、BSI Standards PublicationGeneral requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)Part 2: Environmental conditionsBS EN 50491-2:2010BS EN 50491-2:2010+A1:2015BS EN 50491-2:2010+A1:2015 BRITISH STANDARDNational forewordThis British Standar
2、d is the UK implementation of EN 50491-2:2010+A1:2015. It supersedes BS EN 50491-2:2010, which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee IST/6, Data communications, to Subcommittee IST/6/-/12, Home Electronic Systems.A list of organizations represented
3、 on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580
4、85330 2ICS 97.120Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2010.Amendments/corrigenda issued since publicationDate Text affected30 April 2015 Imple
5、mentation of CENELEC amendment A1:2015: Table 3 updatedEUROPEAN STANDARD EN 50491-2 NORME EUROPENNE EUROPISCHE NORM March 2010 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secr
6、etariat: 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 50491-2:2010 E ICS 97.120 English version General requirements for Home and Building Electronic Systems (HBES) and Building Automati
7、on and Control Systems (BACS) - Part 2: Environmental conditions Exigences gnrales pour systmes lectroniques pour les foyers domestiques et les btiments (HBES) et pour systmes de gestion technique du btiment (SGTB) - Partie 2: Exigences denvironnement Allgemeine Anforderungen an die Elektrische Syst
8、emtechnik fr Heim und Gebude (ESHG) und an Systeme der Gebudeautomation (GA) - Teil 2: Umgebungsbedingungen This European Standard was approved by CENELEC on 2010-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europ
9、ean 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 (Engl
10、ish, 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,
11、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 Kingdo
12、m. BS EN 50491-2:2010EN 50491-2:2010+A1April 2015BS 50491-2:2010+A1:2015EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/TC 247, Building Automation, Controls and Building Management (BACS). The
13、 text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. 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 identif
14、ying 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) 2011-03-01 latest date by which the national standards conflicting with the EN have to be w
15、ithdrawn (dow) 2013-03-01 As a result of the discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following new parts of EN 50491 under the generic title “General requirements for Ho
16、me and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: Part 2 Environmental conditions; Part 3 Electrical safety requirements; Part 4-1 1)Functional safety requirements (for non safety related system
17、s); Part 4-2 1)Functional safety requirements (for safety related systems); Part 5-1 2)EMC requirements, conditions and test set-up; Part 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environment; Part 5-3 2)EMC requirements for HBES/BACS used in industry en
18、vironment. 1)Under consideration. 2)To be ratified. BS EN 50491-2:2010EN 50491-2:2010/A1:2015 - 2 - Foreword This document (EN 50491-2:2010/A1:2015) 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
19、 be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-02-23 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-02-23 Attention is drawn to the possibility that some of the elements of th
20、is 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. EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/
21、TC 247, Building Automation, Controls and Building Management (BACS). The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of
22、 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) 2011-03-01 latest
23、date by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 As a result of the discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following n
24、ew parts of EN 50491 under the generic title “General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: Part 2 Environmental conditions; Part 3 Electrical safety requirements;
25、 Part 4-1 1)Functional safety requirements (for non safety related systems); Part 4-2 1)Functional safety requirements (for safety related systems); t 5-1 2)EMC requirements, conditions and test set-up; t 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environ
26、ment; Part 5-3 2)EMC requirements for HBES/BACS used in industry environment. 1)Under consideration. 2)To be ratified. BS EN 50491-2:2010EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/TC 247,
27、Building Automation, Controls and Building Management (BACS). The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
28、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) 2011-03-01 latest date by
29、which the national standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 As a result of the discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following new parts
30、 of EN 50491 under the generic title “General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: Part 2 Environmental conditions; Part 3 Electrical safety requirements; Part 4-
31、1 1)Functional safety requirements (for non safety related systems); Part 4-2 1)Functional safety requirements (for safety related systems); Part 5-1 2)EMC requirements, conditions and test set-up; Part 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environme
32、nt; t 5-3 2)r ir for HBES/BACS used in industry environment. 1)Under consideration. 2)To be ratified. BS EN 50491-2:2010EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/TC 247, Building Automati
33、on, Controls and Building Management (BACS). The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and C
34、ENELEC 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) 2011-03-01 latest date by which the nationa
35、l standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 As a result of the discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following new parts of EN 50491 unde
36、r the generic title “General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: Part 2 Environmental conditions; Part 3 Electrical safety requirements; Part 4-1 1)Functional sa
37、fety requirements (for non safety related systems); Part 4-2 1)Functional safety requirements (for safety related systems); Part 5-1 2)EMC requirements, conditions and test set-up; Part 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environment; Part 5-3 2)EM
38、C requirements for HBES/BACS used in industry environment. 1)Under consideration. 2)To be ratified. BS EN 50491-2:2010EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/TC 247, Building Automation
39、, Controls and Building Management (BACS). The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CEN
40、ELEC 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) 2011-03-01 latest date by which the national
41、standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 As a result of the discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following new parts of EN 50491 under
42、the generic title “General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: 2 Environmental conditions; 3 Electrical safety requirements; 1 non safety related systems); 4-21)
43、Functional safety requirements (for safety related systems); 1 , conditions and test set-up; t 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environment; Part 5-3 2)EMC requirements for HBES/BACS used in industry environment. 1)Under consideration. 2)To be r
44、atified. BS EN 50491-2:2010EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) and CEN/TC 247, Building Automation, Controls and Building Management (BACS). The text of the draft was submitted to the Uniqu
45、e Acceptance Procedure and was approved by CENELEC as EN 50491-2 on 2010-03-01. 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 follo
46、wing 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) 2011-03-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 As a result of the
47、discussions at the CLC/TC 205 meeting on 2004-10-5/6 concerning the structuring of their standards in general parts and open system parts (see CLC/TC 205/Sec0413/INF) the following new parts of EN 50491 under the generic title “General requirements for Home and Building Electronic Systems (HBES) and
48、 Building Automation and Control Systems (BACS)“ under the task of the JWG CEN/TC 247-CLC/TC 205 are proposed: Part 2 Environmental conditions; Part 3 Electrical safety requirements; Part 4-1 1)Functional safety requirements (for non safety related systems); Part 4-2 1)Functional safety requirements
49、 (for safety related systems); Part 5-1 2)EMC requirements, conditions and test set-up; Part 5-2 2)EMC requirements for HBES/BACS used in residential, commercial and light industry environment; Part 5-3 2)EMC requirements for HBES/BACS used in industry environment. 1)Under consideration. 2)To be ratified. BS EN 50491-2:2010EN 50491-2:2010 2 Foreword This European Standard was prepared by a joint working group of CLC/TC 205, Home and Building Electronic Systems (HBES) an
