Ebyte 400SL22-485, User Manual

Page: 14 / 24

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hengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual
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opyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd
14
No.
Instruction
Format
Detailed Description
1 Set Register
Command: C0+start parameter
C1+start parameter
Example 1: Configure the channel as 0x09
Instruction Start Address Length Parameter
Send
：
C0 05 01 09
Return
：
C1 05 01 09
Example 2: Configure the radio address (0x1234), network address (0x00), serial port (9600 8N1),
airspeed (1.2K) at the same time
Send
：
C0 00 04 12 34 00 61
Return
：
C1 00 04 12 34 00 61
2 Read Register
Command: C1+start length
Response: C1+start parameter
Example 1: Read the channel
Instruction Start Address Length Parameter
Send
：
C1 05 01
Return
：
C1 05 01 09
Example 2: Read the DTU address, network address, serial port, airspeed at the same time
Send
：
C1 00 04
Return
：
C1 00 04 12 34 00 61
3
Set Up
Temporary
Register
Command: C2 + start a parameters
Response: C1 + start a parameters
Example 1: Configure the channel as 0x09
Instruction Start Address Length Parameter
Send
：
C2 05 01 09
Return
：
C1 05 01 09
Example 2: Configure the DTU address (0x1234), network address (0x00), serial port (9600 8N1),
airspeed (1.2K) at the same time
Send
：
C2 00 04 12 34 00 61
Return
：
C1 00 04 12 34 00 61
5
Wireless
Configuration
Instructions: CF CF + regular instructions
Response: CF CF + regular response
Example 1: The wireless configuration channel is 0x09
Wireless Command Header Command Start Address Length Parameter
Send
：
CF CF C0 05 01 09
Return
：
CF CF C1 05 01 09
Example 2: Wirelessly configure the DTU address (0x1234), network address (0x00), serial port (9600
8N1), airspeed (1.2K) at the same time
Send
：
CF CF C0 00 04 12 34 00 61
Return
：
CF CF C1 00 04 12 34 00 61
6 Format Error
Format Error Response
FF FF FF
6.2 Register description
No.
Read and
Write
Name Description Remarks
00H Read/Write ADDH ADDH
（
Default 0
）
High byte and low byte of radio address;
Note: When the DTU address is equal to FFFF, it can be used as the
broadcast and monitor address, that is: the DTU will not perform address
filtering at this time
01H Read/Write ADDL ADDL
（
Default 0
）