Ebyte 4440-GPRS, Руководство пользователя

Страница: 28 / 29

Wireless Data Transceiver E850-DTU(4440-GPRS) datasheet
Copyright ©2012–2018
，成都亿佰特电子科技有限公司
28
Receiv
e
01 06 00 A8 00 05 C8 29
Device ModBus
address
Function
code
Address Write value CRC code
Modbus TCP protocol write heartbeat packet time register
：
Send
00 01 00 00 00 06 01 06 00 A8 00 05
Transmi
ssion
identifier
Protocol
identifier
Length
Unit
identifie
r
Functi
on
code
Address Register length
Receive
00 01 00 00 00 06 01 06 00 A8 00 05
Transmis
sion
identifier
Protocol
identifier
Length
Unit
identifie
r
Functi
on
code
Address
Register
length
4.4.5 Ebyte cloud transparent transmission
The Ebyte cloud transparent transmission function can be turned on or off. The register
corresponding to this function is 40170 (0x00A9), which supports 0x03, 0x06, 0x10 function codes
：
When the value of this register is 0x0000, the cloud transparent transmission function is turned
off;
When the value of this register is 0x0001, the cloud transparent transmission function is turned
on;
Default turn off.
4.4.6 Read IMEI
The IMEI register read start address is 40171 (0x00AA), and the total length of the register is 11.
The first register is the IMEI length, and the second register to the eleventh register stores the IMEI
value. For example, IMEI:867732035802677, the corresponding register values are as follows. In the
registers, the IMEI value is a hexadecimal ASCII value.
40171
（
0x00AA) 40172
（
0x00AB) --40181(0x00B4)
IMEI length IMEI value
00 0F 38 36 37 37 33 32 30 33 35 38 30 32 36 37 37 00 00 00 00 00
4.4.7 Read SN
The SN register read start address is 40182 (0x00B5), and the total length of the register is 11.
The first register is the SN length, and the second register to the eleventh register stores the SN value.
For example, SN: 18101194228B027, the corresponding register value is as follows. In the register,