Section 7 Message Details
Section 7
Host Communications Specifications
175
RFID System
User's Manual
(Modbus TCP)
DATA FILL
This query writes the specified data to the specified number of words beginning from the specified start
address. The specifications are made in the query.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Filling 5A5A Hex to Four Words Starting from Word Address 1234 Hex in the RF Tag
TX: 00000000000DFF10A100000306123400045A5A
RX: 000000000006FF10A1000003
Parameter Description
Register address The register address (A100 hex) that specifies filling data.
Word count Number of words of fill information (0003 hex)
Byte count Number of bytes of fill information (06 hex)
Fill
information
Fill address Specify in 4-digit hexadecimal the start address for writing data in the RF Tag.
Setting range: 0000 to 9FFF hex (Specify a word address.)
Number of fill
words
Specify in 4-digit hexadecimal the number of words of data to fill.
Setting range: 0001 to FFFF hex (Specify 0000 hex to fill the entire area.)
Fill data Specify in 4-digit hexadecimal the data to write to the RF Tag.
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 18
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Register
address
Word count Byte count Fill information
X X 0000 hex 000D hex FF hex 10 hex A100 hex 0003 hex 06 hex 6 bytes
Byte 13
Byte 14
Byte 5 Byte 16 Byte 17
Byte 18
Fill address Number of fill words Fill data
2 bytes 2 bytes 2 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 A100 hex 0003 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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