Response Format For Normal Completion - Omron V780 Series User Manual

7 Modbus/TCP Communications
Data
Specify the data that is relevant to the function code.
The format of the data depends on the function code.
7-2-2

Response Format for Normal Completion

Byte-0 Byte-1 Byte-2
Transaction iden-
Protocol identifier
tifier
XXXX hex Always 0000 hex.
X: Any value, n: 9,215 max.
Transaction Identifier
The value that was specified in the command is set.
Protocol Identifier
This field is always 0000 hex.
Field Length
The number of bytes inclusively from the unit identifier through the end of the data is set.
Unit Identifier
This field is always FF hex.
Function Code
The value of the function code that was specified in the command is set.
Data
The data that is relevant to the function code is set.
The format of the data depends on the function code.
7 - 6
Byte-3 Byte-4 Byte-5
Field length
XXXX hex
Byte-6 Byte-7 Byte-8
Func-
Unit
tion
identifier
code
03 hex,
Always 10 hex,
FF hex. or 64
hex
Range included in the field length.
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-9 ... Byte-n
Data
XX...XX hex