DLMS UA coloured books (password protected area)
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
- the Yellow book treats all the questions concerning conformance testing
- the White book contains the glossary of terms
The books are available for all members of the DLMS UA free of charge. Excerpts of the books are publicly available.
- View full version of the Blue Book (10th ed.)
- View full version of the Green Book (7th ed.) and its Amendment 2
- View full version of the Yellow Book (4th ed.)
- View the White Book (1st ed.)
The specification became an International Standard for electricity, heat/cooling, gas and water metering.