Byte Write - Omron V700-HMD13 series User Manual

4.4.4 Byte write

This command is used to write a block of data of a given number of bytes (up to 128 bytes) in an area
beginning with a specified address in an ID tag. It is possible to define an area that spans a plurality of pages.
At a time, data can be written into up to 16 pages.
Command frame structure
As parameters associated to this command, a start address of write area and data being written are
transmitted. The selectable addresses range from 00h to EFh. The write data are designated in the
ascending order beginning with the specified start address.
Command
"0" "4" "0"
* Number of data blocks n =number of write bytes (in units of 2 characters)
Response frame structure
The response code (normal completion "00") is returned.
Response code
"0" "0"
<Example of command execution>
A case where the data is written into a 2 byte area beginning with address $05.
→ 0400 05 1234 [CR]
(Start address) (Write data)
← 00 [CR]
After normal completion of writing operation, the data on ID tag will be as summarized below:
Page 1
Page 2
Address
designation
(Data1)
"0"
CR
$0D
Data Read/Write with ID Tag
Write data*
(Data n)
12h 34h
Section 4
CR
$0D
V700-L11
45
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