OMS: Realisation of TAF7 according to BSI guidelines

OMS stands for Open Metering System and is the only system definition in Europe that combines all consumption meters (electricity, gas, heat and water incl. submetering) in one application.

The aim is to define an open, manufacturer-independent standard for communication interfaces and basic requirements of the devices and to adapt it to new requirements.

Divided into different working groups, the OMS Group strives to systematically develop this standard further and to add new functions. WEPTECH elektronik GmbH, as a member of the OMS Group, is significantly involved in the further development of the OMS specification.

The BSI has included the OMS specification for the LMN interface in the technical guideline (TR-03109-1) and is thus mandatory for smart meter gateways. In the new version of the TR, new TAFs (tariff use cases) for electricity and gas meters were included, which were requested by the market, including TAF 7.
According to the BSI, the SMART Meter Gateway supports only four of the 14 potential tariff use cases:

The OMS working group AG1 dealt with the implementation of the tariff use case "TAF 7" for meter reading.

"This involves, among other things, the radio-supported recording and sending of e.g. quarter-hourly measured energy quantities (consumption or generation), among other things for tariffing outside the smart meter". With the implementation of TAF 7, electricity meters can then also be connected via radio interface through the LMN of the SMGW, explains Thomas Banz of WEPTECH and member of the OMS AG1.

With the implementation of new tariff use cases (TAFs), current and important findings from the practical operation of SMGW are being incorporated, with which the entire topic complex of smart metering can be made fit for the future, explains OMS Group board member Wolfgang Esch (Head of Sales & Marketing at WEPTECH elektronik).


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