DLMS: Device Language Message Specification

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DLMS/COSEM
The standard language for smart devices
Smart metering - and more generally, smart devices - need a globally accepted standard language that ensures interoperability, efficiency and security.
DLMS/COSEM provides just that.
DLMS - Who we are

Recently joined member

20.09.2019 Synopsys Finland Oy Finland more Information

Recently joined member

20.09.2019 LEM Intellectual Property SA Switzerland more Information

Recently joined member

09.09.2019 LIN MAN POWER TECHNOLOGY INC. Philippines more Information

Recently joined member

09.09.2019 S&T Smart Energy GmbH Austria more Information

Recently joined member

07.08.2019 Zhejiang Wellsun Intelligent Technology Co., Ltd. China more Information

Recently certified product

11.10.2019 EHLS3B1xx Cert.No. 2214 more Information

Recently certified product

09.10.2019 DTSD178_v4 Cert.No. 2213 more Information

Recently certified product

09.10.2019 DDS1079_v4 Cert.No. 2212 more Information

Recently certified product

07.10.2019 OMNIPOWER (1251-V1) Electricity Meter Cert.No. 2211 more Information

Recently certified product

07.10.2019 OMNIPOWER (1173-AE1) Electricity Meter Cert.No. 2210 more Information

2019-11-12

European Utility Week 2019
We look forward to welcoming you to stand G130 at European Utility Week in Paris, November 12th-14th.
2019-09-10

DLMS User Association General Meeting: Paris, 14th November 14:00
The Autumn 2019 General Meeting of the DLMS User Association will take place on the third day of the European Utility Week EUW2019 event in Paris.

2019-09-13

European Utility Week 2019
The DLMS User Association is elated to invite you to our stand G130 at European Utility Week in Paris, November 12th-14th
2019-06-21

New Blue Book and Green Book
DLMS Publishes the latest version of the Coloured Books.
2019-04-03

LoRa Alliance™ and DLMS User Association to Bring Internet of Things to Utilities The LoRa Alliance™, the global association of companies backing the open LoRaWAN™ protocol for the Internet of Things (IoT) low-power wide-area networks (LPWANs), and the DLMS User Association (DLMS UA), a non-profit organization driving utilities and ...
2018-11-02

New version of CTT 3.1
Please ensure you are using the latest version, especially for certification purposes.

Contact
DLMS User Association
- Company registration number CHE-440.972.101
- Bahnhofstrasse 28
- CH-6302 Zug
- Switzerland
- - Email
    L_moc__smld--smld
© DLMS User Association
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DLMS User Association - Who we are
The DLMS UA is a non-profit organization founded in 1997 by leading utilities and meter manufacturers to develop and support a standard for smart meter data exchange.
Today, it is a global organization with 300+ members from all continents and 60+ countries involving utilities, meter manufacturers, system developers and integrators, and chip manufacturers.