Chengdu Ebyte Electronic Technology Co., Ltd.
E30-433T20S3 User manual
Copyright
©2012
–
2018
，
Chengdu
Ebyte
Electronic
Technology
Co.,Ltd.
11
7. Register read and write control
7.1 Command format
In sleep mode (mode 3: M0 = 0, M1 = 1), the list of supported commands are as follows (only 9600, 8N1 format is
supported when)
：
No.
Instruction
format
Illustration
1
C0+ working
parameters
C0 + 5 bytes working parameters are sent in hexadecimal format. 6 bytes in total and
must
be sent in succession.
( Save the parameters when power-down )
2
C1+C1+C1
Three C1 are sent in hexadecimal format. The module returns the saved parameters and
must be sent in succession.
3
C2+working
parameters
C2 + 5 bytes working parameters are sent in hexadecimal format. 6 bytes in total and
must
be sent in succession. ( Do not save the parameters when power-down )
4
C3+C3+C3
Three C3 are sent in hexadecimal format. The module returns the version information
and
they must be sent in succession.
5
C4+C4+C4
Three C4 are sent in hexadecimal format. The module will reset one time and they
must be
sent in succession.
7.2 Factory default parameter
Factory default parameters
：
62 00 00 00 00 00
Model No.
Frequency
Address
Channel
Air data rate
Baud rate
Parity format
Power
E30-433T20S3
433MHz
0x0000
0x50
1kbps
9600
8N1
22dbm
7.3 Reading Operating Parameters
Instruction format
Description
C1+C1+C1
In sleep mode
（
M0=1
，
M1=1
），
User gives the module instruction (HEX format): C1 C1 C1,
Module returns the present configuration parameters.
For example, C0 00 00 1A 17 44.
