Chengdu Ebyte Electronic Technology Co., Ltd.
E831-RTU (6060-ETH) User Manual
00 44 00 12 33 23 11 10 1D 1C 1B 1A
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Write a value
Receiv
ing
00 01
00 00
00 31
01
10
00 E9
00 15
Transmit
the logo
Protocol
identity
length
Unit
identification
Functional
codes
address
Register length
Description
:
00 for HEX and 0for ASCII. 28 represents the content length of the heartbeat packet.
41 42 43 68 23 67 AA 00 2A 00 30 00 00 00 00 00 00
00 00 00 00 00 00 11 00 22 00 33 00 44 00 12 33 23 11 10 1D 1C 1B 1A Represents the heartbeat packet contents. For
example: Send a heartbeat packet with the contents: ebyte, write value is 01 05 65 62 79 74 65 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 00
00 00 00 00 00 00 00 00 00 00
4. 4.11 Set the heartbeat packet time
Modbus RTU protocol write register:
Send
01
06
01 41
01 AA
59 CD
Provision the
ModBus address
Functional
codes
address
Write a value
CRC check digits
Receivin
g
01
06
01 41
01 AA
59 CD
Provision the
ModBus address
Functional
codes
address
Write a value
CRC check digits
Modbus TCP protocol write register:
Send
00 01
00 00
00 06
01
06
01 41
01 AA
Transmit
the logo
Protocol
identity
length
Unit
identificati
on
Function
al codes
address
Write a value
Receivin
g
00 01
00 00
00 06
01
06
01 41
01 AA
Transmit
the logo
Protocol
identity
length
Unit
identificati
on
Function
al codes
address
Write a value
Description: 00 0 0 indicates heartbeat packet time, 00 00 indicates closing heartbeat packets, the value cannot be 1, and the
range is 2-65535.
4.4.12 Emptying Hold
Modbus RTU protocol write register:
Send
01
06
01 49
00 00
59 E0
Provision the
ModBus address
Functional
codes
address
Write a value
CRC check digits
Receivin
g
01
06
01 49
00 00
59 E0
Provision the
Functional
address
Write a value
CRC check digits