Vega TD-11 / User Manual
11
Revision № 06 – 10 August 2021
CONTACTS DESCRIPTION
Temperature sensor has a two contact pairs. One pair (“Therm” and “
Ʇ
”
contacts) is for
connect to external thermistor, another one is security input (“Drv” and “Sens” contacts).
Security input of the device can be used for connecting to circuits with the following
types of NO contacts:
reed switch;
mechanical pushbutton;
open-drain output.
Polarity effects only "open collector" circuits. Open drain output must be connected to
“Drv” contact and ground to “Sens”.
Security input can trigger on short, open or both cases. It is configured by the “Vega
LoRaWAN Configurator” application. Should the security input triggering, the device is activated
and sends an alarm message to the network.
When thermistor connecting you should to configure sending data parameters in “Vega
LoRaWAN Configurator” application.
Contact pair for
connection with the
security circuit
External thermistor
connection contacts