Omron V680S Series, Руководство пользователя

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Section 7
Host Communications Specifications
171
RFID System
User's Manual
(Modbus TCP)

WRITE DATA
This query writes data to an RF Tag in the communications field.

Query Format

Response Format
Normal Response
Error Response

Execution Example
Writing “1111222233334444” to Four Words Starting from Word Address 1234 Hex in the RF Tag
TX: 00000000000FFF1012340004081111222233334444
RX: 000000000006FF1012340004
Parameter Description
Register address Specify in 4-digit hexadecimal the start address for writing data to the RF Tag.
Setting range: 0000 to 9FFF hex (Specify a word address.)
Word count Specify in 4-digit hexadecimal the number of words of data to write.
Setting range: 0001 to 0071 hex
Byte count Specify in 4-digit hexadecimal the number of bytes of data to write.
Setting range: 02 to E2 hex
Write data Specify the data to write to the RF Tag.
Between 1 and 113 words of data can be written with one query.
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 n
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code Register address Word count
Byte
count
Write data
X X 0000 hex 2 bytes FF hex 10 hex 2 bytes 2 bytes 1 byte 2 to 226 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 2 bytes 2 bytes
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