Omron V680 Series User Manual page 186

Section 7
Host Communications Specifications
 GET TCP/IP COMMUNICATIONS CONDITIONS
This query reads the TCP/IP information that is set in the Reader/Writer.
 Query Format
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Register address
Word count
 Response Format
Normal Response
Byte 0 Byte 1
Transaction
identifier
X X
Byte count
TCP/IP communications
conditions
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
 Execution Example
Reading the TCP/IP Communications Conditions When the IP Address Is 192.168.1.200, the Subnet
Mask Is 255.255.255.0, and the Gateway Address Is 192.168.1.1
TX: 000000000006FF03B8000006
RX: 00000000000FFF030CC0A801C8FFFFFF00C0A80101
RFID System
184
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex 0006 hex
The register address (B800 hex) that specifies the TCP/IP communications conditions.
The number of words in the TCP/IP communications conditions information to read (0006 hex)
Byte 2 Byte 3 Byte 4 Byte 5 Byte 6
Protocol Unit
Field length
identifier identifier
0000 hex 0013 hex FF hex
Byte 9
Parameter
IP address
Subnet mask
Gateway address
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex
For details, refer to Exception Code Table in this section.
p.167
Byte 5 Byte 6 Byte 7
Unit Function
identifier code
FF hex 03 hex
Description
Byte 7 Byte 8 Byte 9
TCP/IP communications
Function code Byte count
03 hex 0C hex
Byte 10 Byte 11 Byte 12 Byte 13 Byte 14
IP address Subnet mask
4 bytes
The number of bytes in the TCP/IP communications conditions that was read
(0C hex)
Contains the IP address that was read in 8-digits hexadecimal.
Example: C0A801C8 hex (192.168.1.200)
Contains the subnet mask that was read in 8-digits hexadecimal.
Example: FFFF FF00 hex (255.255.255.0)
Contains the gateway address that was read in 8-digits hexadecimal.
Example: C0A80101 hex (192.168.1.1)
Byte 5 Byte 6 Byte 7
Unit Function
identifier code
0003 hex FF hex 83 hex
Description
Byte 8 Byte 9 Byte 10 Byte 11
Register address Word count
B800 hex
··· Byte 20
conditions
12 bytes
Byte 15 Byte 16 Byte 17 Byte 18 Byte 19
Gateway address
4 bytes 4 bytes
Description
Byte 8
Exception
code
1 byte
0006 hex
Byte 20