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Vega SI-13 / User Manual
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 via the LoRaWAN protocol to
the gateway through wireless communication within 860-1000 MHz frequency band.
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
De-bouncing logics with 5 msec time constant is integrated in the modem. The pulse
counting is carried out for frequencies up to 200 Hz.
The modem is powered by an 8...36 V external power supply.
FUNCTIONAL
Vega SI-13 modem is class C device (LoRaWAN classification) and has the following
features:
o Operation as LoRaWAN <-> RS-232 or LoRaWAN <-> RS-485 wireless modem
o Independent polling of external equipment by custom commands
o ADR support (Adaptive Data Rate)
o Sending of confirmed packets (configurable)
o Inputs can be switched to «security» mode for connection to external leakage
and safety sensors, etc.
o Communication in case of security inputs actuation
o Temperature measurement
MARKING
Device marked with sticker that contain the next information:
o Device model;
Revision 13 - 23 September
2020
5
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