Ebyte E851-RTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd E851-RTU(4440-ETH) User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd
29
Receive
01
06
00 A8
00 05
C8 29
Device ModBus
address
function code
address
Write value
CRC
check code
Modbus TCP protocol Modbus RTU protocol write heartbeat packet time register:
Transmit
00 01
00 00
00 06
01
06
00 A8
00 05
Transmission
identifier
Protocol
identifier
length
element ID
Function
code
address
Write value
Receive
00 01
00 00
00 06
01
06
00 A8
00 05
Transmission
identifier
Protocol
identifier
length
element ID
Function
code
address
Write value
4.4.5. Heartbeat packet mode
The heartbeat packet mode is divided into a serial heartbeat packet and a network heartbeat packet (the default is a network heartbeat
packet). When writing 0 to this register, it is a network heartbeat packet. When writing 1, it is a serial heartbeat packet.
Modbus RTU protocol write heartbeat packet mode register:
Transmit
01
06
00 A9
00 01
98 2A
Device ModBus
address
function code
address
Write value
CRC
check code
Receive
01
06
00 A9
00 01
98 2A
Device ModBus
address
function code
address
Write value
CRC
check code
Modbus TCP protocol write heartbeat packet mode register:
Transmit
00 01
00 00
00 06
01
06
00 A9
00 00
Transmission
identifier
Protocol
identifier
length
element ID
Function
code
address
Write value
Receive
00 01
00 00
00 06
01
06
00 A9
00 00

Ebyte E851-RTU Specifications

General

Brand	Ebyte
Model	E851-RTU
Category	Modem
Language	English