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M-BUS-1 / User Manual
CONVERTER OPERATION IN THE INDEPENDENT POLL MODE
In the independent poll mode, the converter periodically and consistently polls the
metering devices at their secondary addresses. The addresses of the polling devices are written
to the converter using the "Vega LoRaWAN Configurator" application.
M-BUS-1 uses the secondary addresses for poll of the connected devices. The secondary
address usually is equal to meter serial number.
In case of a successful poll, the data transferred by the metering device is accumulated
in the configurator memory and sent to the LoRaWAN network in accordance with
communication period. The communication period can be set to 1, 6, 12 or 24 hours in the
"Vega LoRaWAN Configurator" application while converter connected to a computer.
CONVERTER OPERATION IN THE TRANSPARENT MODE
For enable using converter in conjunction with various software systems dispatching of
meters and industrial equipment, there is added ability to work in a transparent mode. In this
mode, the converter operates as a simple communication channel between the LoRaWAN
network and connected external device. M-BUS-1 can receive data from the LoRaWAN network
for external devices and transfer them to the M-BUS interface without any processing. If the
external device responds to the request, the converter sends the received data back to the
network, also without processing, as one or more packets.
Thus, in transparent mode, the converter does not form a request and does not process
the response from the metering device. The duty to form requests and analyze the responses
lies entirely on the external application that works with M-BUS-1 through the LoRaWAN
network.
The converter must be powered by the external power supply while operating in the
transparent mode (operate as a class C LoRaWAN device).
CONVERTER OPERATION IN THE UNIVERSAL POLL MODE
To reduce the volume of data transmitted over the air, the user can use the universal
polling mode. In this mode, the converter independently interrogates metering devices with
user-specified commands in accordance with a customizable schedule. This reduces radio
traffic and significantly increases the polling rate of the meter.
When operating in the universal polling mode, the converter can operate both on battery
power and from an external power source (operate as a class C device).
By default, the universal polling mode is disabled, you can activate it using the Vega
LoRaWAN Configurator program on the device tab
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The described functionality is supported in the Configurator version 1.0.55 and higher.
Revision 15 – 30 June 2021
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