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SLOVENSKI STANDARD
01-december-2022
Nadomešča:
SIST EN ISO 16484-5:2018
SIST EN ISO 16484-5:2018/A1:2020
Sistemi za avtomatizacijo in regulacijo stavb - 5. del: Protokol za izmenjavo
podatkov (ISO 16484-5:2022)
Building automation and control systems (BACS) - Part 5: Data communication protocol
(ISO 16484-5:2022)
Systeme der Gebäudeautomation - Teil 5: Datenkommunikationsprotokoll (ISO 16484-
5:2022)
Systèmes d'automatisation et de gestion technique du bâtiment - Partie 5: Protocole de
communication de données (ISO 16484-5:2022)
Ta slovenski standard je istoveten z: EN ISO 16484-5:2022
ICS:
35.240.67 Uporabniške rešitve IT v IT applications in building
gradbeništvu and construction industry
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.
EN ISO 16484-5
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 91.040.01; 35.240.67 Supersedes EN ISO 16484-5:2017, EN ISO 16484-
5:2017/A1:2020
English Version
Building automation and control systems (BACS) - Part 5:
Data communication protocol (ISO 16484-5:2022)
Systèmes d'automatisation et de gestion technique du Systeme der Gebäudeautomation - Teil 5:
bâtiment - Partie 5: Protocole de communication de Datenkommunikationsprotokoll (ISO 16484-5:2022)
données (ISO 16484-5:2022)
This European Standard was approved by CEN on 4 September 2022.
CEN 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 CEN
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 CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16484-5:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 16484-5:2022) has been prepared by Technical Committee ISO/TC 205
"Building environment design" in collaboration with Technical Committee CEN/TC 247 “Building
Automation, Controls and Building Management” the secretariat of which is held by SNV.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2023, and conflicting national standards shall be
withdrawn at the latest by April 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 16484-5:2017.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 16484-5:2022 has been approved by CEN as EN ISO 16484-5:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 16484-5
Seventh edition
2022-09
Building automation and control
systems (BACS) —
Part 5:
Data communication protocol
Systèmes d'automatisation et de gestion technique du bâtiment —
Partie 5: Protocole de communication de données
Reference number
ISO 16484-5:2022(E)
ISO 16484-5:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
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Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 16484-5:2022(E)
CONTENTS Page
FOREWORD . xii
1 PURPOSE . 1
2 SCOPE . 1
3 DEFINITIONS . 1
3.1 Terms Adopted from International Standards . 1
3.2 Terms Defined for this Standard . 3
3.3 Abbreviations and Acronyms Used in this Standard . 7
4 BACnet PROTOCOL ARCHITECTURE . 11
4.1 The BACnet Collapsed Architecture . 12
4.2 BACnet Network Topology . 14
4.3 Security . 14
5 THE APPLICATION LAYER . 16
5.1 The Application Layer Model . 16
5.2 Segmentation of BACnet Messages . 20
5.3 Transmission of BACnet APDUs . 21
5.4 Application Protocol State Machines . 25
5.5 Application Protocol Time Sequence Diagrams . 41
5.6 Application Layer Service Conventions . 50
6 THE NETWORK LAYER . 52
6.1 Network Layer Service Specification . 52
6.2 Network Layer PDU Structure . 54
6.3 Messages for Multiple Recipients . 59
6.4 Network Layer Protocol Messages . 60
6.5 Network Layer Procedures . 64
6.6 BACnet Routers . 66
6.7 Point-To-Point Half-Routers . 71
7 DATA LINK/PHYSICAL LAYERS: Ethernet (ISO 8802-3) LAN . 76
7.1 The Use of ISO 8802-2 Logical Link Control (LLC) . 76
7.2 Parameters Required by the LLC Primitives . 76
7.3 Parameters Required by the MAC Primitives . 76
7.4 Physical Media . 76
8 DATA LINK/PHYSICAL LAYERS: ARCNET (ATA 878.1) LAN . 77
8.1 The Use of ISO 8802-2 Logical Link Control (LLC) . 77
8.2 Parameters Required by the LLC Primitives . 77
8.3 Mapping the LLC Services to the ARCNET MAC Layer . 77
8.4 Parameters Required by the MAC Primitives . 77
8.5 Physical Media . 77
9 DATA LINK/PHYSICAL LAYERS: MASTER-SLAVE/TOKEN-PASSING (MS/TP) LAN . 79
9.1 Service Specification . 79
9.2 Physical Layer . 81
9.3 MS/TP Frame Format . 90
9.4 Overview of the MS/TP Network . 92
9.5 MS/TP Medium Access Control . 92
9.6 Cyclic Redundancy Check (CRC) .
...