Designed for meter reading in Europe, the Wireless Mbus protocol is an adaptation of the wired Mbus standard. This protocol is widely used in the energy sector for Machine to Machine (M2M) data transmissions. The Wireless Mbus protocol is particularly known for the quality of its radio coverage, the easy association between other technologies and the simplicity of deployment and installation of the equipment.
On the product range developped by Enless Wireless on the Wireless Mbus protocol, the communication is made from point to point. The Wireless Mbus protocol allows to build your private network. The transmitters periodically send data frames that are received by a Modbus receiver generally connected to a PLC or a gateway. The Modbus receiver stocks the transmitters’ data frames in its table, then the PLC reads the values that are stocked in the Modbus Table. Free choice is given regarding the way to process data.
Enless Wireless proposes a complete product range on the Wireless Mbus protocol. This product range works with 169MHz frequency band. This radio frequency is licensed-free and its use is harmonized to the entire European Union.
169MHz Wireless Mbus technology is energy consumption efficient. The battery life of the transmitters can exceed 15 years.
This product range is adapted to very large buildings monitoring applications (industrial sites, schools…)
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The transmitter data is sent to the LoRaWAN operator’s cloud. Each transmitter must be provisioned with a subscription from the operator to be able to send its data to the cloud. The sensor information can then be processed by IoT platforms that retrieve the raw values from the cloud and format them accordingly.
The sensors’ data is sent to a LoRaWAN gateway (e.g., Kerlink, Multitech, Cloudgate, Wattsense… or others). The LoRaWAN gateway centralizes the sensor data and provides the information on a server or a BMS. In general, LoRaWAN gateways do not decode sensors’ payload so this job has to be done by the system integrator. Please note: Enless Wireless does not market LoRaWAN gateways.
The Enless sensors communicate via radio with an Enless receiver (Modbus or BACnet). A receiver can manage up to 50 Enless sensors. The radio distance in open field between a sensor and a receiver is approximately 4km. The receiver is then connected to the controller / Building Management System (BMS) and provides data from the Enless sensors. This mode of operation allows any system integrator an extremely simple transfer of Enless sensor data to a BMS.
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