Ebyte E30 Series, User Manual

Page: 14 / 20

Chengdu Ebyte Electronic Technology Co,;Ltd E30-490T20D user manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co,;Ltd
13
7.1 Default parameters
Type Default parameter values
：
C0 00 00 18 DC 44
Model Frequency Address Channel Air data rate Baud rate Parity
Transmittin
g power
E30-490T20D 490MHz 0x0000 0x96 1kbps 9600 8N1 100mW
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
C4+C4+C4
In sleep mode
（
M0=1
，
M1=1
）
,
User gives the module instruction (HEX format): C4 C4 C4, the module resets for one time. During
the reset process, the module will conduct self-check, AUX outputs low level. After reset completing,
the AUX outputs high level, then the module starts to work regularly which the working mode can be
switched or be given another instruction.
7.5 Parameter setting command
No. Item Description Remark
0 HEAD
Fix 0xC0 or 0xC2, it means this frame data is control command

Must be 0xC0 or 0xC2
C0: Save the parameters when power-down
C2: Do not save the parameters when power-down
1 ADDH
High address byte of module
（ the default 00H ）
00H-FFH