Omron V780 Series User Manual page 216

7 Modbus/TCP Communications
SET MODBUS/TCP COMMUNICATIONS CONDITIONS
 Function
This command sets the Modbus/TCP communications conditions of the Reader/Writer.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-12 Byte-13
Byte Modbus/TC com-
count munications condi-
tions
Port number
02 hex 2 bytes
Parameter
Register address The register address (B200 hex) that specifies the Modbus/TCP communications conditions
Word count
Byte count
Mod- Port
bus/TC num-
com- ber
muni-
cations
condi-
tions
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
7 - 64
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0009 hex
Byte-14
The number of words in the Modbus/TCP communications conditions (0001 hex)
The number of bytes in the Modbus/TCP communications conditions (02 hex)
Specify the Modbus/TCP communications port number in 4-digit hexadeci-
mal.
Setting range: 01F6 hex or 0400 to FFFF hex
Example: 01F6 hex (502)
• IANA manages ports 000 to 03FF hex.
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address from the command is set.
The word count from the command is set.
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
For details, refer to Exception Code on page 7-7 under Response Format for Error
Completion on page 7-7.
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 90 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
B200 hex 0001 hex
Default setting
01F6 hex (502)
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
B200 hex 0001 hex
Byte-8
Excep-
tion code
1 byte