Omron V680 Series User Manual page 184

Section 7
Host Communications Specifications
 GET TAG COMMUNICATIONS CONDITIONS
The query reads the conditions that are set in the Reader/Writer for communications with RF Tags
(high speed/normal speed and write verification).
 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
Tag communications
conditions information
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
 Execution Example
Reading the RF Tag Communications Conditions When the Tag Communications Is Set to High Speed
and Write Verification Is Disabled
TX: 000000000006FF03B1000002
RX: 000000000007FF030400010000
RFID System
182
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex 0006 hex
The register address (B100 hex) that specifies the RF Tag communications conditions.
The number of words in the RF Tag communications conditions information to read (0002 hex)
Byte 2 Byte 3 Byte 4 Byte 5 Byte 6
Protocol Unit
Field length
identifier identifier
0000 hex 0007 hex FF hex
Parameter
The number of bytes in the RF Tag communications conditions information (04
hex)
Communications High speed: 0000 hex, Standard: 0001 hex
speed
Write verification No: 0000 hex, Yes: 0001 hex
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 13
RF Tag communications
Function code Byte count
conditions information
03 hex 04 hex
Byte 13 Byte 14
Communications speed
2 bytes
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
B100 hex
··· Byte 16
4 bytes
Byte 15 Byte 16
Write verification
2 bytes
Description
Byte 8
Exception
code
1 byte
0002 hex