EN 62056-5-3:2016
(Main)Electricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM application layer
Electricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM application layer
IEC 62056-5-3:2016 is available as IEC 62056-5-3:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 62056-5-3:2016 specifies the DLMS/COSEM application layer in terms of structure, services and protocols for COSEM clients and servers, and defines how to use the DLMS/COSEM application layer in various communication profiles. It defines services for establishing and releasing application associations, and data communication services for accessing the methods and attributes of COSEM interface objects, defined in IEC 62056-6-2:2016, using either logical name (LN) or short name (SN) referencing. This second edition cancels and replaces the first edition of IEC 62056-5-3 published in 2013.
Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 5-3: DLMS/COSEM-Anwendungsschicht
Échange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 5-3: Couche application DLMS/COSEM
L'IEC 62056-5-3:2016 indique la couche application DLMS/COSEM en termes de structure, de services et de protocoles pour les clients et serveurs COSEM, et définit comment utiliser la couche application DLMS/COSEM dans différents profils de communication. Elle définit les services permettant d'établir et de libérer des associations d'applications, ainsi que les services de communication de données permettant d'accéder aux méthodes et aux attributs des objets d'interface COSEM, définis dans l'IEC 62056-6-2, à l'aide du référencement par nom logique (LN) ou par nom abrégé (SN). Cette deuxième édition annule et remplace la première édition de l'IEC 62056-5-3 parue en 2013.
Izmenjava podatkov pri merjenju električne energije - Niz DLMS/COSEM - 5-3. del: Aplikacijska plast DLMS/COSEM
Ta del standarda IEC 62056 določa aplikacijsko plast DLMS/COSEM v smislu strukture, storitev in protokolov za odjemalce ter strežnike COSEM in opredeljuje, kako se ta aplikacijska plast uporablja v različnih komunikacijskih profilih.
Opredeljuje storitve za vzpostavljanje in izdajanje povezav aplikacij ter podatkovne komunikacijske storitve za dostop do metod in atributov vmesniških objektov COSEM, opredeljenih v standardu IEC 62056-6-2:2016, na podlagi reference logičnega imena (LN) ali kratkega imena (SN).
Dodatek A (normativni) opredeljuje, kako se pri različnih komunikacijskih profilih uporablja aplikacijska plast COSEM. Določa, kako so lahko različni komunikacijski profili izdelani za izmenjavo podatkov z opremo za merjenje, ki uporablja vmesniški model COSEM, in kateri so potrebni elementi, ki jih je treba določiti v posameznem komunikacijskem profilu. Dejanski komunikacijski profili, ki se uporabljajo za medije, so opredeljeni v ločenih delih skupine standardov IEC 62056.
Dodatek B (normativni) določa kratko ovojnico za SMS.
Dodatki C, D in E (informativni) vključujejo primere kodiranja za podatkovne enote aplikacijskega protokola (APDU).
Dodatek F (informativni) podaja pregled kriptografije.
Dodatek G (informativni) navaja glavne tehnične spremembe v tej izdaji standarda.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2017
Nadomešča:
SIST EN 62056-5-3:2014
Izmenjava podatkov pri merjenju električne energije - Niz DLMS/COSEM - 5-3. del:
Aplikacijska plast DLMS/COSEM
Electricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM
application layer
Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 5-3:
DLMS/COSEM-Anwendungsschicht
Échange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 5-3:
Couche application DLMS/COSEM
Ta slovenski standard je istoveten z: EN 62056-5-3:2016
ICS:
17.220.20 Merjenje električnih in Measurement of electrical
magnetnih veličin and magnetic quantities
35.100.70 Uporabniški sloj Application layer
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 62056-5-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2016
ICS 17.220; 35.110; 91.140.50 Supersedes EN 62056-5-3:2014
English Version
Electricity metering data exchange - The DLMS/COSEM suite -
Part 5-3: DLMS/COSEM application layer
(IEC 62056-5-3:2016)
Échange des données de comptage de l'électricité - La Datenkommunikation der elektrischen Energiemessung -
suite DLMS/COSEM - Partie 5-3: Couche application DLMS/COSEM - Teil 5-3: DLMS/COSEM-
DLMS/COSEM Anwendungsschicht
(IEC 62056-5-3:2016) (IEC 62056-5-3:2016)
This European Standard was approved by CENELEC on 2016-04-08. 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
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62056-5-3:2016 E
European foreword
The text of document 13/1648/FDIS, future edition 2 of IEC 62056-5-3, prepared by IEC/TC 13
"Electrical energy measurement and control" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 62056-5-3:2016.
The following dates are fixed:
(dop) 2017-06-09
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2019-12-09
standards conflicting with the
document have to be withdrawn
This document supersedes EN 62056-5-3:2014.
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.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.
Endorsement notice
The text of the International Standard IEC 62056-5-3:2016 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 61334-4-3:1996 NOTE Harmonized as EN 61334-4-32:1996 (not modified).
IEC 61334-4-511:2000 NOTE Harmonized as EN 61334-4-511:2000 (not modified).
IEC 61334-4-512:2001 NOTE Harmonized as EN 61334-4-512:2002 (not modified).
IEC 61334-5-1:2001 NOTE Harmonized as EN 61334-5-1:2001 (not modified).
IEC 62056-7-6:2013 NOTE Harmonized as EN 62056-7-6:2013 (not modified).
IEC 62056-9-7:2013 NOTE Harmonized as EN 62056-9-7:2013 (not modified).
1)
ISO/IEC 7498-1:1994 NOTE Harmonized as EN ISO/IEC 7498-1:1994 (not modified).
1)
Withdrawn publication.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu
Publication Year Title EN/HD Year
IEC 61334-4-41 1996 Distribution automation using distribution EN 61334-4-41 1996
line carrier systems -
Part 4: Data communication protocols -
Section 41: Application protocols -
Distribution line message specification
IEC 61334-6 2000 Distribution automation using distribution EN 61334-6 2000
line carrier systems -
Part 6: A-XDR encoding rule
IEC/TR 62051 1999 Electricity metering - Glossary of terms - -
IEC/TR 62051-1 2004 Electricity metering - Data exchange for - -
meter reading, tariff and load control -
Glossary of terms -
Part 1: Terms related to data exchange
with metering equipment using
DLMS/COSEM
IEC 62056-1-0 - Electricity metering data exchange - EN 62056-1-0 -
The DLMS/COSEM suite -
Part 1-0: Smart metering standardisation
framework
IEC 62056-6-1 2015 Electricity metering data exchange - EN 62056-6-1 2016
The DLMS/COSEM suite -
Part 6-1: Object Identification System
(OBIS)
IEC 62056-6-2 2016 Electricity metering data exchange - EN 62056-6-2 2016
The DLMS/COSEM suite -
Part 6-2: COSEM interface classes
IEC 62056-8-3 2013 Electricity metering data exchange - EN 62056-8-3 2013
The DLMS/COSEM suite -
Part 8-3: Communication profile for PLC
S-FSK neighbourhood networks
2)
ISO/IEC 8824-1 2008 Information technology - Abstract Syntax - -
Notation One (ASN.1): Specification of
basic notation
2)
Superseded by ISO/IEC 8824-1:2015.
Publication Year Title EN/HD Year
3)
ISO/IEC 8825-1 2008 Information technology - ASN.1 encoding - -
rules: Specification of Basic Encoding
Rules (BER), Canonical Encoding Rules
(CER) and Distinguished Encoding Rules
(DER)
ISO/IEC 15953 1999 Information technology - Open Systems - -
Interconnection - Service Definition for the
Application Service Object Association
Control Service Element
ISO/IEC 15954 1999 Information technology - Open Systems - -
Interconnection - Connection-mode
protocol for the Application Service Object
Association Control Service Element
FIPS PUB 180-4 2012 Secure Hash Standard (SHS) - -
FIPS PUB 197 2001 Advanced Encryption Standard (AES) - -
NIST SP 800-38D 2007 Recommendation for Block Cipher Modes - -
of Operation: Galois/Counter Mode (GCM)
and GMAC
NIST SP 800-57 2007 Recommendation for key management - - -
Part 1: General
RFC 1321 1992 The MD5 Message-Digest Algorithm. - -
Edited by R. Rivest (MIT Laboratory for
Computer Science and RSA Data Security,
Inc.)
RFC 3394 2002 Advanced Encryption Standard (AES) Key - -
Wrap Algorithm. Edited by J. Schaad
(Soaring Hawk Consulting) and R. Housley
(RSA Laboratories)
RFC 4106 - The Use of Galois/Counter Mode (GCM) - -
in IPsec Encapsulating Security Payload
(ESP)
3)
Superseded by ISO/IEC 8825-1:2015.
IEC 62056-5-3 ®
Edition 2.0 2016-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electricity metering data exchange – The DLMS/COSEM suite –
Part 5-3: DLMS/COSEM application layer
Échange des données de comptage de l'électricité – La suite DLMS/COSEM –
Partie 5-3: Couche application DLMS/COSEM
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220; 35.110; 91.140.50 ISBN 978-2-8322-3019-0
– 2 – IEC 62056-5-3:2016 IEC 2016
CONTENTS
FOREWORD. 8
INTRODUCTION . 10
1 Scope . 11
2 Normative references . 11
3 Terms, definitions and abbreviations . 13
3.1 Terms and definitions . 13
3.2 Abbreviations . 13
4 Overview . 15
4.1 DLMS/COSEM application layer structure . 15
4.2 DLMS/COSEM application layer services . 16
4.2.1 ASO services . 16
4.2.2 Services provided for application association establishment and release . 16
4.2.3 Services provided for data transfer . 17
4.2.4 Layer management services . 22
4.2.5 Summary of DLMS/COSEM application layer services . 22
4.3 DLMS/COSEM application layer protocols . 22
5 Information security in DLMS/COSEM . 23
5.1 Definitions . 23
5.2 General . 23
5.3 Data access security . 24
5.3.1 Overview . 24
5.3.2 No security (lowest level security) authentication . 24
5.3.3 Low Level Security (LLS) authentication . 24
5.3.4 High Level Security (HLS) authentication . 25
5.4 Data transport security . 27
5.4.1 Applying, removing or checking the protection: ciphering and
deciphering . 27
5.4.2 Security context . 28
5.4.3 Security policy . 28
5.4.4 Security suite . 29
5.4.5 Security material . 29
5.4.6 Ciphered xDLMS APDUs . 29
5.4.7 Cryptographic keys . 31
5.4.8 The Galois/Counter Mode of Operation (GCM) . 34
6 DLMS/COSEM application layer service specification . 43
6.1 Service primitives and parameters . 43
6.2 The COSEM-OPEN service . 45
6.3 The COSEM-RELEASE service . 50
6.4 COSEM-ABORT service . 52
6.5 Protection and general block transfer parameters . 53
6.6 The GET service . 57
6.7 The SET service . 59
6.8 The ACTION service .
...
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 5-3: DLMS/COSEM-AnwendungsschichtÉchange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 5-3: Couche application DLMS/COSEMElectricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM application layer91.140.50Sistemi za oskrbo z elektrikoElectricity supply systems35.100.70Uporabniški slojApplication layer17.220.20Measurement of electrical and magnetic quantitiesICS:Ta slovenski standard je istoveten z:EN 62056-5-3:2016SIST EN 62056-5-3:2017en01-februar-2017SIST EN 62056-5-3:2017SLOVENSKI
STANDARDSIST EN 62056-5-3:20141DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 62056-5-3
December 2016 ICS 17.220; 35.110; 91.140.50 Supersedes EN 62056-5-3:2014
English Version
Electricity metering data exchange - The DLMS/COSEM suite - Part 5-3: DLMS/COSEM application layer (IEC 62056-5-3:2016)
Échange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 5-3: Couche application DLMS/COSEM (IEC 62056-5-3:2016)
Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 5-3: DLMS/COSEM-Anwendungsschicht (IEC 62056-5-3:2016) This European Standard was approved by CENELEC on 2016-04-08. 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 © 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62056-5-3:2016 E
The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-06-09 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2019-12-09
This document supersedes EN 62056-5-3:2014.
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.
This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association.
Endorsement notice The text of the International Standard IEC 62056-5-3:2016 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 61334-4-3:1996 NOTE Harmonized as EN 61334-4-32:1996 (not modified). IEC 61334-4-511:2000 NOTE Harmonized as EN 61334-4-511:2000 (not modified). IEC 61334-4-512:2001 NOTE Harmonized as EN 61334-4-512:2002 (not modified). IEC 61334-5-1:2001 NOTE Harmonized as EN 61334-5-1:2001 (not modified). IEC 62056-7-6:2013 NOTE Harmonized as EN 62056-7-6:2013 (not modified). IEC 62056-9-7:2013 NOTE Harmonized as EN 62056-9-7:2013 (not modified). ISO/IEC 7498-1:1994 NOTE Harmonized as EN ISO/IEC 7498-1:1994 1) (not modified).
1) Withdrawn publication.
Normative references to international publications with their corresponding European publications
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.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu
Publication Year Title EN/HD Year
IEC 61334-4-41 1996
Distribution automation using distribution line carrier systems -
Part 4: Data communication protocols - Section 41: Application protocols - Distribution line message specification EN 61334-4-41 1996
IEC 61334-6 2000
Distribution automation using distribution line carrier systems -
Part 6: A-XDR encoding rule EN 61334-6 2000
IEC/TR 62051 1999
Electricity metering - Glossary of terms - -
IEC/TR 62051-1 2004
Electricity metering - Data exchange for meter reading, tariff and load control - Glossary of terms -
Part 1: Terms related to data exchange with metering equipment using DLMS/COSEM - -
IEC 62056-1-0 -
Electricity metering data exchange -
The DLMS/COSEM suite -
Part 1-0: Smart metering standardisation framework EN 62056-1-0 -
IEC 62056-6-1 2015
Electricity metering data exchange -
The DLMS/COSEM suite -
Part 6-1: Object Identification System (OBIS) EN 62056-6-1 2016
IEC 62056-6-2 2016
Electricity metering data exchange -
The DLMS/COSEM suite -
Part 6-2: COSEM interface classes EN 62056-6-2 2016 IEC 62056-8-3 2013
Electricity metering data exchange -
The DLMS/COSEM suite -
Part 8-3: Communication profile for PLC
S-FSK neighbourhood networks EN 62056-8-3 2013
ISO/IEC 8824-1 2008 2) Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation - -
2) Superseded by ISO/IEC 8824-1:2015.
ISO/IEC 8825-1 2008 3) Information technology - ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) - -
ISO/IEC 15953 1999
Information technology - Open Systems Interconnection - Service Definition for the Application Service Object Association Control Service Element - -
ISO/IEC 15954 1999
Information technology - Open Systems Interconnection - Connection-mode protocol for the Application Service Object Association Control Service Element - -
FIPS PUB 180-4 2012 Secure Hash Standard (SHS) - -
FIPS PUB 197 2001
Advanced Encryption Standard (AES) - -
NIST SP 800-38D 2007 Recommendation for Block Cipher Modes of Operation: Galois/Counter Mode (GCM) and GMAC - -
NIST SP 800-57 2007 Recommendation for key management - Part 1: General - -
RFC 1321 1992 The MD5 Message-Digest Algorithm. Edited by R. Rivest (MIT Laboratory for Computer Science and RSA Data Security, Inc.) - -
RFC 3394 2002 Advanced Encryption Standard (AES) Key Wrap Algorithm. Edited by J. Schaad (Soaring Hawk Consulting) and R. Housley (RSA Laboratories) - -
RFC 4106 -
The Use of Galois/Counter Mode (GCM)
in IPsec Encapsulating Security Payload (ESP) - -
3) Superseded by ISO/IEC 8825-1:2015.
IEC 62056-5-3
Edition 2.0 2016-03
INTERNATIONAL STANDARD NORME INTERNATIONALE Electricity metering data exchange – The DLMS/COSEM suite –
Part 5-3: DLMS/COSEM application layer
Échange des données de comptage de l'électricité – La suite DLMS/COSEM –
Partie 5-3: Couche application DLMS/COSEM
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE
ICS 17.220; 35.110; 91.140.50
ISBN 978-2-8322-3019-0
colourinside
– 2 – IEC 62056-5-3:2016 IEC 2016
CONTENTS FOREWORD. 8 INTRODUCTION . 10 1 Scope . 11 2 Normative references . 11 3 Terms, definitions and abbreviations . 13 3.1 Terms and definitions . 13 3.2 Abbreviations . 13 4 Overview . 15 4.1 DLMS/COSEM application layer structure . 15 4.2 DLMS/COSEM application layer services . 16 4.2.1 ASO services . 16 4.2.2 Services provided for application association establishment and release . 16 4.2.3 Services provided for data transfer . 17 4.2.4 Layer management services . 22 4.2.5 Summary of DLMS/COSEM application layer services . 22 4.3 DLMS/COSEM application layer protocols . 22 5 Information security in DLMS/COSEM . 23 5.1 Definitions . 23 5.2 General . 23 5.3 Data access security . 24 5.3.1 Overview . 24 5.3.2 No security (lowest level security) authentication . 24 5.3.3 Low Level Security (LLS) authentication . 24 5.3.4 High Level Security (HLS) authentication . 25 5.4 Data transport security . 27 5.4.1 Applying, removing or checking the protection: ciphering and deciphering . 27 5.4.2 Security context . 28 5.4.3 Security policy . 28 5.4.4 Security suite . 29 5.4.5 Security material . 29 5.4.6 Ciphered xDLMS APDUs . 29 5.4.7 Cryptographic keys . 31 5.4.8 The Galois/Counter Mode of Operation (GCM) . 34 6 DLMS/COSEM application layer service specification . 43 6.1 Service primitives and parameters . 43 6.2 The COSEM-OPEN service . 45 6.3 The COSEM-RELEASE service . 50 6.4 COSEM-ABORT service . 52 6.5 Protection and general block transfer parameters . 53 6.6 The GET service . 57 6.7 The SET service . 59 6.8 The ACTION service . 62 6.9 The DataNotification service . 66 6.10 The EventNotification service . 67 6.11 The TriggerEventNotificationSending service . 68
IEC 62056-5-3:2016 IEC 2016 – 3 –
6.12 Variable access specification . 69 6.13 The Read service . 69 6.14 The Write service . 73 6.15 The UnconfirmedWrite service . 76 6.16 The InformationReport service . 77 6.17 Client side layer management services: the SetMapperTable.request . 78 6.18 Summary of services and LN/SN data transfer service mapping . 78 7 DLMS/COSEM application layer protocol specification . 79 7.1 The co
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