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Wireless M-Bus software streamlines smart meter designs

Posted: 20 May 2014 ?? ?Print Version ?Bookmark and Share

Keywords:Silicon Labs? Wireless M-Bus? software?

Silicon Labs has released a comprehensive Wireless M-Bus-based software solution geared towards the development of wirelessly connected smart meters for electricity, gas, water and heat resources.

Based on the European standard EN13757-4, the Wireless M-Bus standard specifies seamless sub-GHz RF communication between various types of smart utility meters, data concentrators, mobile readout devices and heat meters (heat cost allocators). Its communications protocol requires very little overhead for the small amounts of data used by the meter enabling battery life up to a claimed 15-20 years.

The Wireless M-Bus software solution includes a comprehensive sub-GHz wireless protocol stack that supports the S (868MHz), T (868MHz), C (868MHz) and N (169MHz) modes from the physical layer to the application layer. The protocol stack includes API-based access for both application and extended data link layers. An optional serial command interface enables control of from an external host processor.

The software is provided in binary/object code format using an IAR compiler for the company's 32bit MCUs and RF transceivers. Physical layer configurations are provided for S, T, C, N, R and F modes via the Wireless Development Suite. The software is packaged with API documentation, physical layer scripts, test reports, a quick-start guide and PC-based tools for evaluation. Source code is available through a separate licence agreement.

The software solution is free for download from Silicon Labs' website.

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