
Se
ct
io
n 7
Me
ss
age
Det
a
ils
Section 7
Host Communications Specifications
179
RFID System
User's Manual
(Modbus TCP)
Reader/Writer Settings
SET TAG COMMUNICATIONS OPTION
This query sets the communications option of the Reader/Writer to Once, Auto, or FIFO Trigger.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Setting the Communications Option to Auto
TX: 000000000009FF10B0000001020001
RX: 000000000006FF10B0000001
Parameter
Description
Register address
The register address (B000 hex) that specifies the RF Tag communications option setting.
Word count
Number of words of data (0001 hex)
Byte count
Number of bytes of data (02 hex)
Tag communications
option setting
Specify the RF Tag communications option in 4-digit hexadecimal.
0000 hex: Once
0001 hex: Auto
0002 hex: FIFO trigger (Without ID code check)
0012 hex: FIFO trigger (With ID code check)
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 14
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Register
address
Word count
Byte
count
Tag communications
option setting
X
X
0000 hex
0009 hex
FF hex
10 hex
B000 hex
0001 hex
02 hex
2 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
B000 hex
0001 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