Dragino LTC2, User Manual

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LTC2 LoRaWAN Temperature Transmitter
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2. How to use LTC2?
2.1 Connect to PT100 sensors
LTC2 has different probe option provided for ordering, if user has LTC2 with probe, just skip this
step. If user want to connect to a 3
rd
party PT100 probe, please see CONNECT A 3
rd
PARTY PT100
probe .
2.2 How it works?
The LTC2 is working in LoRaWAN OTAA Class A mode. Each LTC2 is shipped with a worldwide
unique set of OTAA and ABP keys. User needs to input the OTAA or ABP keys in the LoRaWAN
network server so to register. LTC2 will join the LoRaWAN network and start to transmit data. The
default period for each uplink is 20 minutes .
On each uplink, LTC2 will check its two ADC Interfaces and get the temperature from the sensor
and send out to server.
2.3 Quick guide to connect to LoRaWAN server (OTAA)
Here is an example for how to join the TTN v3 LoRaWAN Server . Below is the network structure,
in this demo we use DLOS8 as LoRaWAN gateway.
The DLOS8 is already set to connect to TTN . Rest we need to is register the LTC2 to TTN v3:
2.3.1 Step 1: Create a device in TTN with the OTAA keys from LTC2.