Omron V780 Series User Manual page 215

GET DEVICE NAME
 Function
This command is used to check the name that is set in the Reader/Writer.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Byte count
Device name
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution When the Reader/Writer Device Name Is Set to V780-A001
TX: 000000000006FF03B1000020
RX: 000000000043FF034056363830532D413030310000000000...00
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address (B100 hex) that specifies the device name
The number of words in the device name (0020 hex)
Byte-2 Byte-3 Byte-4 Byte-5
Protocol identifier Field length
0000 hex 0043 hex
The number of words in the device name that was read (40 hex)
The device name that was read is given with up to 64 bytes of ASCII characters (up
to 63 ASCII characters plus the end code (00 hex))
If there are fewer than 63 characters, the remaining bytes are filled with 00 hex.
The device name is given with ASCII characters 20 hex (space) to 7E hex (~).
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.
7 Modbus/TCP Communications
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Description
Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 83 hex
Description
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
B100 hex 0020 hex
Byte-8 Byte-9 ... Byte-72
Byte Device name
count
40 hex 64 bytes
Byte-8
Excep-
tion code
1 byte
7
7 - 63