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7 Modbus/TCP Communications
7 - 72
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command is used to check the login password that is set in the Reader/Writer for the Web
browser interface.
Command Format
Response Formats
• Normal Response
• Error Response
Execution Examples
Execution When the Reader/Writer Web Password Is Set to “password”
TX: 000000000006FF03B4000008
RX: 000000000013FF031070617373776F72640000000000000000
GET WEB PASSWORD
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Byte-10
Byte-11
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Register address
Word count
X
X
0000 hex
0006 hex
FF hex
03 hex
B400 hex
0008 hex
Parameter
Description
Register address The register address (B400 hex) that specifies the Web password
Word count
The number of words in the Web password (0008 hex)
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
...
Byte-24
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Byte
count
Web password
X
X
0000 hex
0013 hex
FF hex
03 hex
10 hex
16 bytes
Parameter
Description
Byte count
The number of bytes in the Web password that was read (10 hex)
Web password
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-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Excep-
tion code
X
X
0000 hex
0003 hex
FF hex
83 hex
1 byte
Parameter
Description
Exception code
For details, refer to
Summary of Contents for V780 Series
Page 22: ...Version Upgrade Information 20 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 60: ...3 Part Names and Functions 3 14 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 152: ...6 Functions 6 76 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 334: ...8 Browser Interface 8 44 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 358: ...9 Troubleshooting 9 24 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 392: ...Appendices A 30 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 393: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual Z389 Index ...
Page 397: ......