User's Manual

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RS485 to LoRaWAN Converter User Manual 25 / 30
AT+CMDEAR=mm,nn mm: start position of erase ,nn: stop position of erase
Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to
AT+COMMAND10/AT+DATACUT10
Example screen shot after clear all RS485 commands.
The uplink screen shot is:
➢ Downlink Payload:
0x09 aa bb same as AT+CMDEAR=aa,bb
Set Serial Communication Parameters
Set the Rs485 serial communication parameters:
➢ AT Command:
Set Baud Rate:
AT+BAUDR=9600 // Options: (1200,2400,4800,14400,19200,115200)
Set UART parity
AT+PARITY=0 // Option: 0: no parity, 1: odd parity, 2: even parity
Set STOPBIT
AT+STOPBIT=0 // Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
➢ Downlink Payload:
A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100
Example:
 A7 01 00 60 same as AT+BAUDR=9600
 A7 01 04 80 same as AT+BAUDR=115200
A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02)
A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02)
3.6 Buttons