Wireless M-Bus or Wireless Meter-Bus is the European standard (EN ) that specifies the communication between utility meters and data loggers. The Wireless M Bus specification EN defines six different . Mode N: preamble length is configurable (value required by EN is 2 bytes). This document (EN ) has been prepared by Technical Committee CEN/TC “Communication systems for meters”, the secretariat of which is.

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This part of the Meter Bus standard addresses the physical and link layers for the physical 31757-4 transmission using wired connections.

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Wireless Meter Bus, WM-Bus Technology

Learn more about the cookies we use and how to change your settings. Similar to T1 but higher data-rate, 50 kbps. See our application note AN for further details. The full, current EN standards are available on-line from http: It provides an overview of the communication system. Worldwide Standards We can source any standard from anywhere in the world. ENEN EN has six parts, including EN which includes the Wireless M-Bus specifications for radio-based communications between utility meters and concentrators or smart meter gateways:.

Part 1 of the standard defines the data exchange, enn the basic communication between meters and a central data collector.

You may experience issues viewing this site in Internet Explorer 9, 10 or T2 Bidirectional Again this is a bi-directional version of the T1 mode. Dependent upon the application, one of a number of communication modes can be selected. Click to learn more. This is a S tationary mode and within this, metering devices send their data several times a day.


Rn This part addresses relaying. Note that also non complex set-up will take benefit of the build in robustness, power efficiency and security in the protocol. EN is a very flexible and open specification, where some parts are not described in detail or left for future implementation. A total of three different data rates are specified along with one way or two way communication.

What is Wireless M-Bus: Meter Bus Technology | Electronics Notes

Supplier Directory For everything from distribution to test equipment, components and more, our directory covers it. The bus is specified in a European Norm specification: It also describes the protocol used for the transmission of data. Communication systems for meters and 13757-44 reading of meters.

Radiocrafts can provide recommendations on what to choose based on the desired performance. Again this is a bi-directional version of the T1 mode. The Wireless M-Bus has several options that may be rn for the radio parameters.

Using Wirelss M-Bus for your network can be a simple task, or a complex mission, depending on what features you intend to use. This part of the standard addresses the Physical and Data Link Layers for wireless devices.


Radiocrafts Wireless M-Bus modules 1377-4 the commonly used dialects and modes as described above, operating as complete modems, both on the device and collector side.

Popups No Popups Loaded? Section 4, EN addresses the wireless system. S2 Bidirectional This is essentially a bidirectional version of the S1 mode. EN Part 3 of the standard addresses the dedicated application layer.

This is known as the C ompact mode. The Wireless Meter Bus or Wireless M-Bus is aimed at remote reading of gas or electricity meters as well as any other types of meters that may need to be read remotely.

In this mode the data collector may request dedicated data from the metering devices. The relative simplicity of the stack makes it very energy and code efficient. Customers who bought this product also bought BS EN 137574 It describes the standard application protocol used to enable a multivendor capability, thereby enabling devices from several different vendors to operate in a single system.

Communication systems for meters and remote reading of meters. Wireless M-Bus RF layer The physical layer for the Wireless Meter Bus needs to be relatively straightforward to enable the system to operate reliably and over long periods of time.