User's Manual

7 - 67
7 Modbus/TCP Communications
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
7-6 V780 Command Details
7
7-6-5 Reader/Writer Setting Commands: Network Settings
 Function
This command sets or clears the Reader/Writer login password for the Web browser interface.
 Command Format
 Response Formats
• Normal Response
• Error Response
SET 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 0017 hex FF hex 10 hex B400 hex 0008 hex
Byte-12 Byte-13 ... Byte-28
Byte
count
Web password
10 hex 16 bytes
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 count The number of bytes in the Web password (10 hex)
Web password Specify the Web password with up to 16 bytes of ASCII characters (up to 15 ASCII characters
plus the end code (00 hex)).
If there are fewer than 15 characters, fill the remaining bytes with 00 hex.
You can specify ASCII characters 20 hex (space) to 7E hex (~).
To clear the password, specify 00 hex for all of the write data.
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 10 hex B400 hex 0008 hex
Parameter Description
Register address The register address from the command is set.
Word count The word count from the command is set.
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 90 hex 1 byte
Parameter Description
Exception code For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.