Omron V780 Series User Manual page 222

7 Modbus/TCP Communications
SET WEB PASSWORD
 Function
This command sets or clears the Reader/Writer login password for the Web browser interface.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-12 Byte-13
Byte Web password
count
10 hex
Parameter
Register address The register address (B400 hex) that specifies the Web password
Word count
Byte count
Web password
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
7 - 70
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0017 hex
... Byte-28
16 bytes
The number of words in the Web password (0008 hex)
The number of bytes in the Web password (10 hex)
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-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address from the command is set.
The word count from the command is set.
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 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 90 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-10 Byte-11
Register address Word count
B400 hex 0008 hex
Byte-8
Excep-
tion code
1 byte