Omron V680 Series User Manual page 182

Section 7
Host Communications Specifications
 GET TAG COMMUNICATIONS OPTION
This query leads the communications option of the Reader/Writer (Once, Auto, or FIFO Trigger).
 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
Parameter
Byte count
Tag communications
option setting
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
 Execution Example
Reading the Communications Option Setting When It Is Auto
TX: 000000000006FF03B0000001
RX: 000000000005FF03020001
RFID System
180
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex 0006 hex
The register address (B000 hex) that specifies the RF Tag communications option setting.
The number of words in the communications option setting to read (0001 hex)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex
The number of bytes in the communications option setting data that was read (02 hex)
0000 hex: Once
0001 hex: Auto
0002 hex: FIFO trigger (Without ID code check)
0012 hex: FIFO trigger (With ID code check)
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 5 Byte 6 Byte 7
Unit Function
identifier code
0005 hex FF hex 03 hex
Description
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
B000 hex 0001 hex
Byte 8 Byte 9 Byte 10
Byte Tag communications
count option setting
02 hex 2 bytes
Byte 8
Exception
code
1 byte