Omron V780 Series User Manual page 224

7 Modbus/TCP Communications
GET WEB PASSWORD
 Function
This command is used to check the login password that is set in the Reader/Writer for the Web
browser interface.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address The register address (B400 hex) that specifies the Web password
Word count
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Byte count
Web password
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
 Execution Examples
Execution When the Reader/Writer Web Password Is Set to "password"
TX: 000000000006FF03B4000008
RX: 000000000013FF031070617373776F72640000000000000000
7 - 72
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The number of words in the Web password (0008 hex)
Byte-2 Byte-3 Byte-4 Byte-5
Protocol identifier Field length
0000 hex 0013 hex
The number of bytes in the Web password that was read (10 hex)
Gives the Web password that was read with up to 16 bytes of ASCII char-
acters (up to 15 ASCII characters plus the end code (00 hex)).
If there are fewer than 15 characters, the remaining bytes are filled with
00 hex.
The Web password 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.
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
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
B400 hex 0008 hex
Byte-8 Byte-9 ... Byte-24
Byte Web password
count
10 hex 16 bytes
Byte-8
Excep-
tion code
1 byte