
Se
ct
io
n 7
Me
ss
age
Det
a
ils
Section 7
Host Communications Specifications
183
RFID System
User's Manual
(Modbus TCP)
SET TCP/IP COMMUNICATIONS CONDITIONS
This query sets the TCP/IP communications conditions of the Reader/Writer.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Setting the IP Address to 192.168.1.200, the Subnet Mask to 255.255.255.0, and the Gateway
Address to 192.168.1.1
TX: 000000000013FF10B80000060CC0A801C8FFFFFF00C0A80101
RX: 000000000006FF10B8000006
Parameter
Description
Register address
The register address (B800 hex) that specifies the TCP/IP communications
conditions.
Word count
The number of words in the TCP/IP communications conditions (0006 hex)
Byte count
The number of bytes in the TCP/IP communications conditions (0C hex)
TCP/IP
communications
conditions
IP address
Specify in 8-digit hexadecimal the IP address to set.
Setting range: 00000000 to FFFFFFFF hex
Example: C0A801C8 hex (192.168.1.200)
Subnet mask
Specify in 8-digit hexadecimal the subnet mask to set.
Setting range: FF000000 to FFFFFFFF hex
Example: FFFF FF00 hex (255.255.255.0)
Gateway address
Specify in 8-digit hexadecimal the gateway address to set.
Setting range: 00000000 to FFFFFFFF hex
Example: C0A80101 hex (192.168.1.1)
Parameter
Description
Register address
Contains the register address that was specified in the query.
Word count
Contains the word count that was specified in the query.
Parameter
Description
Exception code
For details, refer to
in this section.
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Byte 9
Byte 10
Byte 11
Byte 12
Byte 13
···
Byte 24
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Register address
Word count
Byte count
TCP/IP communications
conditions
X
X
0000 hex
0013 hex
FF hex
10 hex
B800 hex
0006 hex
0C hex
12 bytes
Byte 13
Byte 14
Byte 15
Byte 16
Byte 17
Byte 18
Byte 19
Byte 20
Byte 21
Byte 22
Byte 23
Byte 24
IP address
Subnet mask
Gateway address
4 bytes
4 bytes
4 bytes
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Byte 9
Byte 10
Byte 11
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Register address
Word count
X
X
0000 hex
0006 hex
FF hex
10 hex
B800 hex
0006 hex
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Transaction
identifier
Protocol identifier
Field length
Unit
identifier
Function
code
Exception
code
X
X
0000 hex
0003 hex
FF hex
90 hex
1 byte