Section 7 Message Details
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 Exception Code Table in this section.
p.167
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
XX
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
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