User's Manual

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RS485 to LoRaWAN Converter User Manual 14 / 30
Add APP KEY and DEV EUI
Step 2: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will
start to upload message to TTN V3 and user can see in the panel.
3.3 Configure Commands to read data
There are plenty of RS485 devices in the market and each device has different command to read
the valid data. To support these devices in flexible, RS485-LN supports flexible command set.
User can use AT Commands or LoRaWAN Downlink Command to configure what commands
RS485-LN should send for each sampling and how to handle the return from RS485 devices.
3.3.1 Configure UART settings for RS485 communication
To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the
sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors.
The related commands for UART settings are: