I.S. EN 62056-5-3:2017

National Foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
4 Overview of DLMS/COSEM
5 Information security in DLMS/COSEM
6 DLMS/COSEM application layer service specification
7 DLMS/COSEM application layer protocol specification
8 Abstract syntax of ACSE and COSEM APDUs
9 COSEM APDU XML schema
Annex A (normative) - Using the DLMS/COSEM
        application layer in various communications
        profiles
Annex B (normative) - SMS short wrapper
Annex C (normative) - Gateway protocol
Annex D (informative) - AARQ and AARE encoding
        examples
Annex E (informative) - Encoding examples - AARQ
        and AARE APDUs using a ciphered application context
Annex F (informative) - Data transfer service examples
Annex G (normative) - NSA Suite B elliptic curves and
        domain parameters
Annex H (informative) - Example of an End entity
        signature certificate using P-256 signed with P-256
Annex I (normative) - Use of key agreement schemes
        in DLMS/COSEM
Annex J (informative) - Exchanging protected xDLMS APDUs
        between TP and server
Annex K (informative) - Significant technical changes
        with respect to IEC 62056-5-3:2016
Bibliography
Index
Annex ZA (normative) - Normative references to international
         publications with their corresponding European publications

Defines the DLMS/COSEM application layer in terms of structure, services and protocols for DLMS/COSEM clients and servers, and defines rules to specify the DLMS/COSEM communication profiles. Also 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 using either logical name (LN) or short name (SN) referencing.