For similarly named bus technologies, see MBus disambiguation. The references in this article are unclear because of a lack of inline citations. Help Wikipedia improve by adding precise citations! April Learn how and when to remove this template message M-Bus Meter-Bus is a European standard EN physical and link layer, EN application layer for the remote reading of water meter , gas or electricity meters. M-Bus is also usable for other types of consumption meters. The M-Bus interface is made for communication on two wires, making it cost-effective.
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This European Standard establishes a protocol specification for the Application Layer for meters and establishes several protocols for meter communications which may be applied depending on the application being fulfilled. It is especially applicable to thermal energy meters, heat cost allocators, water meters and gas meters. NOTE It is usable also for other meters like electricity meters and for sensors and actuators. For generic descriptions concerning communication systems for meters and remote reading of meters see EN This draft European Standard specifies application protocols, especially the M-Bus application protocol.
The standard encompasses systems for walk-by, drive-by and fixed installations. As a broad definition, this European Standard can be applied to various application layers. This European Standard is an extension to wireless meter readout specified in EN The main use of this standard is to support simple retransmission as well as routed wireless networks for the readout of meters.
For generic descriptions concerning communication systems for meters and remote reading of meters, refer to EN This draft European Standard specifies secure communication capabilities by design and supports the building of a secure system architecture.
This draft European standard is applicable to the protection of consumer data to ensure privacy.
CSN EN 13757-4
BS EN 13757-4:2019