Section 7 Message Details
Section 7
Host Communications Specifications
189
RFID System
User's Manual
(Modbus TCP)
SET WEB PASSWORD
This query sets or clears a password for accessing the Reader/Writer from a Web browser.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Setting the Web Password to “password”
TX: 000000000017FF10BB0000081070617373776F72640000000000000000
RX: 000000000006FF10BB000008
Parameter Description
Register address The register address (BB00 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 (~).
Parameter Description
Register address Contains the register address that was specified in the query.
Word count Contains the word count that was specified in the query.
Parameter Description
Exception code For details, refer to Exception Code Table in this section.
p.167
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 Byte 11 Byte 12 Byte 13 ··· Byte 76
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Functio
n code
Register address Word count Byte count Web Password
X X 0000 hex 0017 hex FF hex 10 hex BB00 hex 0008 hex 10 hex 16 bytes
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
identifier
Protocol
identifier
Field length
Unit
identifier
Function code Register address Word count
X X 0000 hex 0006 hex FF hex 10 hex BB00 hex 0008 hex
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
Transaction
identifier
Protocol identifier Field length
Unit
identifier
Function
code
Exception
code
X X 0000 hex 0003 hex FF hex 90 hex 1 byte
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