IEC 61334-4-41:1996

FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions
   3.1 Reference model definitions
   3.2 Service convention definitions
   3.3 Other definitions
   3.4 Abbreviations
   3.5 Conventions
4 Virtual distribution equipment
   4.1 Relationship of the VDE to the OSI model
   4.2 Relationship with a real distribution device
   4.3 Structure of a VDE
   4.4 Specification of DLMS objects
   4.5 Conformance description
5 Context management services
   5.1 Introduction
   5.2 Initiate service
   5.3 Abort service
6 VDE support services
   6.1 Virtual distribution equipment description
   6.2 GetStatus service
   6.3 GetNameList service
7 Data set management services
   7.1 Data set description
   7.2 InitiateLoad service
   7.3 LoadSegment service
   7.4 TerminateLoad service
   7.5 InitiateUpload service
   7.6 UploadSegment service
   7.7 TerminateUpload service
   7.8 GetDataSetAttribute service
8 VAA management service
   8.1 VAA description
   8.2 ChangesScope service
9 Task invocation management services
   9.1 Task invocation description
   9.2 Start service
   9.3 Stop service
   9.4 Resume service
   9.5 MakeUsable service
   9.6 GetTIAttribute service
10 Variable access services
   10.1 Variable model description
   10.2 Specification of types
   10.3 Specification of data values
   10.4 Read service
   10.5 Write service
   10.6 UnconfirmedWrite service
   10.7 InformationReport service
   10.8 GetVariableAttribute service
Figures
Annexes
A DLMS protocol
    A.1 Conventions
    A.2 Useful types
    A.3 DLMS PDUS
    A.4 Service requests and responses
    A.5 Service error
    A.6 Object name
    A.7 Context management protocol
    A.8 VDE support protocol
    A.9 Data set management protocol
    A.10 VAA management protocol
    A.12 Variable access protocol
B DLMS user states description
    B.1 Overview
    B.2 Context management states
    B.3 Data set management states
    B.4 Task invocation management states

Defines the distribution line message specification (DLMS) within the OSI application layer.

This publication is of high relevance for Smart Grid.