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  • BSI
    PD IEC/TS 62056-8-20:2016 Electricity metering data exchange. The DLMS/COSEM suite - Mesh communication profile for neighbourhood networks
    Edition: 2016
    $423.36
    / user per year

Description of PD IEC/TS 62056-8-20:2016 2016

This part of IEC 62056 specifies a DLMS/COSEM communication profile that can be used in a smart metering system in which the Neighbourhood Networks (NN) are mesh networks.

This profile may be considered as an adaptation and extension of the UDP/IP communication profile specified in IEC 62056-9-7:2013. As in that standard, the PHY and MAC layers are out of the Scope.

This Technical Specification specifies a number of features essential to the efficient operation of a large scale AMI using mesh NNs. These features include:

  • identification of the DLMS/COSEM client and server participating in an application association (AA) with their system title, so that this identification does not change when the IP address of the server changes, see Clause 6;

  • a mechanism to inform the client of the binding between the server’s system title and its current IP address(es), see 5.5.3;

  • the use of the DLMS/COSEM UDP based transport layer, that allows keeping DLMS/COSEM AAs open for long periods, while the device may leave and join the mesh NN and/or its IP address may change, see 7.2.2;

  • DLMS/COSEM application layer and application process level security features that can be used in a mesh environment, see 7.4.2;

  • a mechanism to organize servers to one or more groups based on various conditions, so that the requests can be broadcasted to all devices attached to the mesh network, but only those servers belonging to the group carry out the request and respond, see 8.2;

  • a mechanism that allows to send the response to a request in designated time windows and with a randomized delay, see 8.3.

  • the use of a specific UDP port that allows efficient UDP header compression, see 6.3.3.

The Scope of this communication profile specification is restricted to aspects concerning the use of communication protocols in conjunction with the COSEM data model and the DLMS/COSEM application layer. Any project specific definitions of data structures and data contents may be provided in project specific companion specifications.



Standard NumberPD IEC/TS 62056-8-20:2016
TitleElectricity metering data exchange. The DLMS/COSEM suite - Mesh communication profile for neighbourhood networks
StatusDefinitive
Publication Date2016-11-30
Identical National Standard OfIEC TS 62056-8-20:2016, EN 62056-8-20 Ed1.0
DescriptorsTransport layer (OSI), Information exchange, Data transmission, Internet, Meters, Electricity supply meters, Power control (electric), Interfaces (data processing), Computer networks, Open systems interconnection, Data transfer, Electrical equipment
ICS17.220 Electricity. Magnetism. Electrical and magnetic measurements, 17.220.01 Electricity. Magnetism. General aspects, 91.140.50 Electricity supply systems, 35.110 Networking
CommitteePEL/13
ISBN978 0 580 89772 6
PublisherBSI
Pages30



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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