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Overview / excerpts of the DLMS UA coloured books DLMS UA coloured books (password protected area) DLMS/COSEM specification DLMS/COSEM specification maintenance List of proposed amendments Approved Amendments List and maintenance of standard items List of standard OBIS codes and COSEM objects OBIS code maintenance process Requests for adding a new standard OBIS code List and maintenance of standard interface classes

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Overview / excerpts of the DLMS UA coloured book

Overview

The DLMS/COSEM specification is fully described in the DLMS UA coloured books:

• the Blue Book describes the COSEM meter object model and the object identification system
• the Green book describes the architecture and protocols to transport the model
• the Yellow book describes the conformance testing process
• the White book holds the Glossary of DLMS/COSEM terms

The books are available for all members of the DLMS UA free of charge.

Excerpts of the books are publicly available.The specification became an International Standard for electricity, heat/cooling, gas and water metering.

• Excerpt of the Blue Book
• Excerpt of the Green book
• Excerpt of the Yellow book
• The White book (complete)

Members (password required) may access further documents (e.g. extracts of the DLMS Standard IEC 61334-4-41 or the A-XDR Standard IEC 6134-6).

Papers as given at International Conferences from 1994 up to the present, see section "Information".

Earlier versions (e.g. Orange Book) are accessible in the archive.