Chengdu Ebyte Electronic Technology Co.,Ltd.
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
13
Ⅶ Instruction format
In command mode (mode 2: M0=0, M1=1), the list of supported commands is as follows (when setting, only 9600
and 8N1 formats are supported):
serial
number
Instruction
format
Detailed description
1
C0+ Working
parameters
Send C0+5 bytes working parameters in hexadecimal format, a total of 6
bytes, must be sent continuously (power-off save)
2
C1+C1+C1
Send three C1s in hexadecimal format, and the module returns the saved
parameters, which must be sent continuously.
3
C2+ Working
parameters
Send C2+5 bytes working parameters in hexadecimal format, a total of 6
bytes, must be sent continuously (not saved when power off)
4
C3+C3+C3
Three C3s are sent in hexadecimal format, and the module returns version
information, which must be sent continuously.
7.1 Factory default parameters
model
Factory default parameter values:C0 00 00 19 2E 00
Module model
frequency
address
channel
air speed
baud rate
transmit power
E49-400T20S
433MHz
0x0000
0x2E
2.4kbps
9600
30
7.2 Reading of working parameters
Instruction format
Detailed description
C1+C1+C1
In the setting mode (M0=0, M1=1), send a command (HEX format) to the module serial
port: C1 C1 C1,
The module will return the current configuration parameters, for example: C0 00
00 18 20 00.
7.3 Reading of version number
Instruction format
Detailed description
C3+C3+C3
In the setting mode (M0=0, M1=1), send a command (HEX format) to the module
serial port: C3 C3 C3,
The module will return the current configuration parameters, such as: C3 49 xx yy;
49 here represents the module model (E49 series), xx is the version number, and yy
refers to other features of the module (users can ignore).
7.4 Parameter setting instructions
serial
name
description
remark
