User Manual

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RS485 to LoRaWAN Converter User Manual 2 / 29
1. Introduction .............................................................................................................................. 4
1.1 What is RS485-LN RS485 to LoRaWAN Converter ...................................................................... 4
1.2 Specifications .............................................................................................................................. 5
1.3 Features ...................................................................................................................................... 5
1.4 Applications ................................................................................................................................ 6
1.5 Firmware Change log ................................................................................................................. 7
2. Power ON Device ...................................................................................................................... 7
3. Operation Mode ....................................................................................................................... 8
3.1 How it works? ............................................................................................................................. 8
3.2 Example to join LoRaWAN network ............................................................................................ 8
3.3 Configure Commands to read data .......................................................................................... 11
3.4 Uplink Payload .......................................................................................................................... 14
3.5 Downlink Payload (control RS485 device) ................................................................................ 14
3.6 Buttons ..................................................................................................................................... 17
4. Use AT Command .................................................................................................................... 18
4.1 Access AT Command ................................................................................................................. 18
4.2 Common AT Command Sequence ............................................................................................. 20
4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ...................................................... 20
4.2.2 Single-channel ABP mode (Use with LG01/LG02) ........................................................... 20
5. FAQ ......................................................................................................................................... 20
5.1 How to upgrade the image? ..................................................................................................... 20
5.2 How to change the LoRa Frequency Bands/Region? ................................................................ 23
5.3 How to set up RS485-LN to work in other 8 channel mode in US915, AU915, CN470 bands? . 24
5.4 How to set up RS485-LN to work with Single Channel Gateway such as LG01/LG02? ............. 25
6. Trouble Shooting ..................................................................................................................... 27
6.1 Downlink doesn’t work, how to solve it? .................................................................................. 27
6.2 Why I can’t join TTN in US915 /AU915 bands? ......................................................................... 27
7. Order Info ............................................................................................................................... 27