Omron V680 Series User Manual page 196

Section 7
Host Communications Specifications
 GET FIRMWARE VERSION
The query reads the firmware version from the Reader/Writer.
 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
Firmware version
information
Error Response
Byte 0 Byte 1
Transaction
identifier
X
Parameter
Exception code
 Execution Example
Reading the Firmware Version Information when the Run Program Version Is 1.2.3 and the Safe
Program Version Is 1.2.2
TX: 000000000006FF03C0000006
RX: 00000000000FFF030C000100020003000100020002
RFID System
194
User's Manual
(Modbus TCP)
Byte 2 Byte 3 Byte 4
Protocol identifier Field length
X 0000 hex 0006 hex
The register address (C000 hex) that specifies the firmware version.
The number of words in the firmware version information to read (0006 hex)
Byte 2 Byte 3 Byte 4 Byte -5
Protocol identifier Field length
0000 hex 000F hex
Byte 9 Byte 10 Byte 11 Byte 12
Major version of Minor version of
Run Mode program Run Mode program
2 bytes 2 bytes
Parameter
Major version of Run Mode program 0000 to 0099 hex (BCD)
Minor version of Run Mode program 0000 to 0099 hex (BCD)
Revision of Run Mode program
Major version of Safe Mode program 0000 to 0099 hex (BCD)
Minor version of Safe Mode program 0000 to 0099 hex (BCD)
Revision of Safe Mode program
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 6 Byte 7
Unit
Function code
identifier
FF hex 03 hex
Byte 13 Byte 14 Byte 15 Byte 16
Revision of Major version of
Run Mode program Safe Mode program
2 bytes 2 bytes
The number of bytes in the firmware version information (0C hex)
0000 to 9999 hex (BCD)
0000 to 9999 hex (BCD)
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
C000 hex 0006 hex
Byte 8 Byte 9 ···
Byte count Firmware version information
0C hex 12 bytes
Byte 17 Byte 18 Byte 19
Minor version of Revision of
Safe Mode program Safe Mode program
2 bytes 2 bytes
Description
Byte 8
Exception
code
1 byte
Byte 20
Byte 20