Chengdu Ebyte Electronic Technology Co.,Ltd.
E280-2G4T12S User Manual
Copyright ©2012–2021
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Chengdu Ebyte Electronic Technology Co.,Ltd.
14
7.2 Work parameter reading
Instruction format
Detailed description
C1+C1+C1
Under configuration (m0 = 1, m1 = 1), issue commands to the module serial port: C1 C1 C1, the module
returns the current configuration parameters, such as: c0 00 00 13 18 04.
7.3 Version number reading
Instruction format
Detailed description
C3+C3+C3
Under configuration (M0 = 1, m1 = 1), issue commands to module serial port (HEX format): C3 C3 C3,
module returns current configuration parameters, such as: C3 02 80 10 09 01 00; 02 here 80 represents the
module model (E280 series), 10 represents version number, 0C represents module power, other
parameters represent other characteristics of modules.
7.4 Reset instruction
Instruction format
Detailed description
C4+C4+C4
Under configuration (M0 = 1, m1 = 1,) issue commands to the module serial port (HEX format): C4 C4
C4, module will generate a reset; during the reset, the module performs self-test, AUX output low, reset
After the AUX outputs high, the module starts working properly. At this point, mode switching or
initiation can be performed.
7.5 Parameter setting command
name
description
Remark
0
HEAD
Fixed 0xc0 or 0xc2, indicating that this frame data is the control command.
Must be 0xc0 or C2
C0: The parameters set will be saved.
C2: The set parameters will not be
powered down.
1
ADDH
Module address high byte (default 00h)
00H-FFH
2
ADDL
Module address low byte (default 00h)
00H-FFH
3
SPED
7
6
Serial password bit
Communication two serial port modes
can be different
0
0
8N1(default)
0
1
8O1
1
0
8E1
1
1
8N1(Equivalent 00)
5
4
3
TTL serial port rate (BPS)
In normal mode, the serial port mode of
communication can be different;
In the link mode, the baud rate between
communication must be the same;
0
0
0
The serial port is1200
0
0
1
The serial port is4800
0
1
0
The serial port is9600(default)
0
1
1
The serial port is19200
1
0
0
The serial port is57600
