E800-DTU Wireless Data Transmission Modem
E800-DTU(Z2530-485-27) User Manual
Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co.,Ltd
14
Broadcast:
（
The broadcast only performs in mode one, the whole network broadcast mode experiment, and users test
other modes themselves.
）
Data function transmission needs to embody its own characteristics in the case of multi-node network, users can test
themselves!
6.
User instruction set
For user convenience, the E800-DTU (Z2530-485-27) module uses two instruction formats, the AT command format and the
HEX command format. This DTU defaults as the HEX command mode, in this mode, serial assistant is used to send +++
instructions and enter the temporary AT instruction mode. AT command can be used to configure, input AT + EXIT to exit
temporary AT command.
Note
：
1 Prompt information for serial data format error
HEX command format
：
F7 FF
AT command format
：
+ERROR<CR><LF>
2 Prompt information for coordinator device building network
：
HEX command format
：
FF FF
AT command format
：
Builded network<CR><LF>
3 Prompt information for devices joining the network
HEX command format
：
FF AA
AT command format
：
Joined network<CR><LF>
4 Prompt information for module device has no network or lost network
HEX command format
：
FF 00
AT command format
：
No network<CR><LF>
5 <CR> means
：
0x0D
6 <LF>means
：
0x0A
