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1 DESCRIPTION AND OPERATION
DEVICE DESCRIPTION
Vega SI-13 has two design options, varying by data exchange interface:
o Vega SI-13-232 with RS-232 interface;
o Vega SI-13 -485 with RS-485 interface.
Vega SI-13 modem is designed for counting of pulses incoming to 2 independent
inputs, further accumulating and transmitting of this information in the LoRaWAN
In addition, Vega SI-13 can be used as a security device - all inputs can be configured as
security inputs.
The modem can be used for any utilities' meters and industrial equipment with RS-232
and RS-485 interfaces or pulse outputs, including water-, electricity-, and heat meters. Vega
SI-13 can work as a wireless modem in the transparent mode or pool meters by itself.
Equipment with NAMUR pulse output is not supported
The modem is powered by an 8...36 V external power supply.
COMUNICATION AND DATA COLLECTION ALGORITHM
Vega SI-13 operates in modes listed below:
"Storage" – is a mode for storing and transporting. In this mode the device does not
communicate regularly with the network.
"Active" – is a main mode of device operation.
Before start using you need to switch the device out of "Storage" mode.
Vega SI-13 supports two activation methods in the LoRaWAN® network - ABP and
OTAA. Select one of the methods via the "Vega LoRaWAN Configurator" application (see
"User Manual" on the program).
ABP method. After pressing the start button, the device immediately starts working in
the "Active" mode.
OTAA method. After pressing the start button, the device makes three attempts to
connect to the network within the set frequency plan. After the activation in the LoRaWAN
network is confirmed, the device sends a signal (LED flashing for 5 seconds) and switches to
the "Active" mode. If all attempts fail, the counter will continue to accumulate data and will
attempt to connect to the network every 6 hours.
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Vega SI-13 / User Manual
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06 August 2021
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