
23
4. Baud rate setting (power off and restart after setting)
80H Set the serial port baud rate to 115200
81H Set serial baud rate to 9600
Return: AAH + address 1+ command code + check 1 = 4Byte
5.Status code
90H Read module status information
Return: AAH + address 1+ command code +
code
+ check 1 = 5Byte
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Initialization
completed
过流
Bit is set to 1 after the initialization is completed, and other bits are set to 0 by default. If there is
an error, the bit is set to 1.