Chengdu Ebyte Electronic Technology Co,;Ltd
E32-915T30S user manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
13
7 Command format
In sleep mode
（
Mode 3
：
M1=1, M0=1
）
, it supports below instructions on list.
(Only support 9600 and 8N1 format when setting)
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
( Save the parameters when power-down )
3
C2+working
parameters
Three C1 are sent in hexadecimal format. The module returns the saved parameters and
must be sent in succession.
4
C3+C3+C3
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 )
5
C4+C4+C4
Three C3 are sent in hexadecimal format. The module returns the version information
and they must be sent in succession.
7.1 Default parameters
type
Default parameter values
：：
C0 00 00 1A 17 44
Model
Frequency
Address
Channel
Air data rate
Baud rate
Parity
Transmittin
g power
E32-915T30S
915MHz
0x0000
0x0F
2.4kbps
9600
8N1
1W
7.2 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.
7.3 Reading version number
Instruction format
Description
C3+C3+C3
In sleep mode
（
M0=1
，
M1=1
）
,User gives the module instruction (HEX format): C3 C3 C3,Module
returns its present version number, for example C3 32 xx yy. the second bytes means frequency. 32
here means the frequency is 433MHZ, 38 means frequency is 470MHz, 45 means frequency is;
868MHz, 44 means the frequency is 915 MHz, 46 means the frequency is 170MHz; xx is the version
number and yy refers to the other module features.
7.4 Reset command
Instruction format
Description
