Chengdu Ebyte Electronic Technology Co.,Ltd.
E78-470LN22S User Manual
Copyright ©2012–2021
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Chengdu Ebyte Electronic Technology Co.,Ltd.
24
Register Packet Mechanism
Register Value(0x0091)
Corresponding function description
00 00
Close the registration package mechanism
00 01
Add MAC/IMEI as registration packet data before each packet
sent to the server
00 02
Add custom registration packet data before each packet sent to
the server
00 03
Only send a MAC/IMEI registration packet when connecting
to the server for the first time
00 04
Only send a user-defined registration packet when connecting
to the server for the first time
Modbus RTU protocol write registration packet register:
Send
01
10
00 7B 00 17
2E
00 01 00 0A 41 42 43 44 45 46 47 48 49 4A 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01
00 F4
Device
ModBus
address
function
code
address
register
length
number of
bytes
write value
CRC
check
code
Receive
01
10
00 7B
00 17
F0 1E
Device
ModBus
address
function
code
address
register length
CRC
check
code
Modbus TCP protocol write registration packet register:
S
e
n
d
Send
00 01 00
00
00 33
01
10
00
7B 00 17
2E
00 01 00 0A 41 42 43 44 45 46 47 48 49 4A
00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 01
Transp
ort ID
Protoc
ol ID
length
Unit
ID
function
code
addres
s
register
length
number
of bytes
write value