E800-DTU Wireless Data Transmission Modem
E800-DTU(Z2530-485-27) User Manual
Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co.,Ltd
20
6.3.2.
Detailed parameter description
DATA
parameter description
:
(
1
)
Broadcast data
(
data is the content ready to send
)
Command
:
01+type+data
parameter description
:
type
01
:
Broadcast mode 1 ——The message is broadcast to all devices in the network
02
:
Broadcast mode 2 ——The message is broadcast to devices that only reception on (except sleep mode) .
03
:
Broadcast mode 3 ——The message is broadcast to all full-function devices(routers and coordinators)
Example
:
FC 05 01 02 31 32 33
Example explanation
:
Sending HEX data to network broadcast in broadcast mode 2
:
0X31 0X32 0X33
(
2
)
Group braodcast data
(
data is the content ready to send
)
Command
:
02+ group+data
parameter description
:
group
0~99
:
Multicast number of message in group broadcast
Example
:
FC 05 02 01 31 32 33
Example explanation
:
Send HEX data to network group number 1
:
0X31 0X32 0X33
(
3
)
Point broadcast
(
single broadcast
)
data
(
data is the content ready to send
)
Command
:
03+ type +addr+data
parameter description
:
type
(
Coordinator in Mode 2
,
the parameter is invalid and can be set any value
)
01
:
Transparent transmission mode
(
No carry information
)
02
:
Short address mode
(
Carrying information as a short address
)
03
:
MAC address mode
(
Carrying information as MAC address
)
parameter description
:
addr
:
Network short address valid point broadcast
(
single broadcast
)
address
0x0000—0xFFF8
)
Example
:
FC 07 03 01 AB CD 31 32 33
Example explanation
:
Send HEX data carrying a short address to a device with a network address of 0XADCD
:
0X31 0X32
0X33
6.4.
AT Instruction set
6.4.1.
AT+DEV
Function
:
Query/configure device types
Format
:
Query
Send
:
AT+DEV= type
Return
:
+OK<CR><LF>
Configure
Send
:
AT+DEV=?
Return
:
DEV= type<CR><LF>
Parameter
:
type
C Coordinator
R Router
E terminal
Example
:
AT+DEV=C
Default
:
DEV=E