Omron V780 Series User Manual page 268

7 Modbus/TCP Communications
GET OPERATING STATUS
 Function
This command is used to check the operating status from 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
Byte-9 Byte-10
Reader/Writer operating status
Mode
2 bytes
Parameter
Byte count
Reader/Writer
operating status
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
7 - 116
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address (D300 hex) that specifies the operating status
The number of words in the Reader/Writer operating status to read (0002 hex)
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0007 hex
Byte-11 Byte-12
Status
2 bytes
The number of bytes in the Reader/Writer operating status that was read (0C
hex)
Mode Gives the mode of the Reader/Writer that was read in 4-digits hexadecimal.
0000 hex: Safe Mode
0001 hex: Run Mode
Status Gives the status of the Reader/Writer that was read in 4-digits hexadecimal.
0001 hex: Idling
0002 hex: RF Tag communications in progress
0003 hex: Changing settings
0004 hex: Error
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.
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
FF hex 03 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 83 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
D300 hex 0002 hex
Byte-8
Byte
count
04 hex
Byte-8
Excep-
tion
code
1 byte