Maintenance Commands: Device Information - Omron V780 Series User Manual

7-6-8

Maintenance Commands: Device Information

GET MODEL INFORMATION
 Function
This command is used to check the model number of 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
Model information
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
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 (D000 hex) that specifies the model number information
The number of words in the model number information to read (0010 hex)
Byte-2 Byte-3 Byte-4 Byte-5
Protocol identifier Field length
0000 hex 0023 hex
The number of bytes in the model number information that was read (20 hex)
Gives the model information that was read with up to 32 bytes of ASCII characters
(up to 31 ASCII characters plus the end code (00 hex)).
If there are fewer than 31 characters, the remaining bytes are filled with 00 hex.
The model number 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
D000 hex 0010 hex
Byte-8 Byte-9 ... Byte-40
Byte Model information
count
20 hex 32 bytes
Byte-8
Excep-
tion code
1 byte
7 - 111
7