Rtelligent EP Series - Page 65

EP Series User Manual
65
Response message:
97 79 00 00 00 06 04 10 00 00 00 01
Example
Length
Description
Remark
Map
message
header
0x97
1
Transaction Identifier, H
Client initiated, server replicated, for
transaction pairing
0x79
1
Transaction Identifier, L
0x0000
2
Protocol Identifier
Client initiates, server replicates
Modbus protocol = 0.
0x0006
2
Length
From the next to the last of this byte
0x04
1
Unit Identifier
Initiated by the client, the server
replicates the ID of the remote
terminal on the serial link or other bus
Function
code
0x10
1
Function Code, read
register
Refer to standard Modbus protocol
Data
0x0000
2
Start address
0x0001
2
Number of registers