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3.5
Processing Tag Memory
(1) Process Contents
The following three processes may be executed on the Tag Memory
1)
Read
Reading data from Tag Memory. The area to execute the Read command
may be selected at random up to 16 pages.
2)
Write
Writing data onto Tag Memory. The area to execute the Write command
may be selected at random up to 16 pages. When writing the same data
onto all pages (multiple write), there is no limitation on the number of pages.
Certain data within a page may be selected in units of bytes to be written
onto the Tag Memory (byte write).
3)
Write Protection Set/OFF
Write protection may be set on the selected pages of Tag Memory. When
write protection is set, the data may be read, but not re-written. Write
protection may be set on any of the pages. Write protection may be set or
turned off by commands.
(2) Communication Operations
The following 6 communications operation may be executed by changing the
process procedure and execution timing. Communication operations may be
specified by commands during command transmission.
1)
Single Trigger
Communication with Tag will be executed immediately after receiving
command and a response will be transmitted. After response is transmitted,
the Module will be on stand by for new commands. During communication
with the Tag, there may only be one Tag within the communication area.
♦ Operation Sequence
Processing will be executed once only after receiving command. If there is
no Tag, a Tag absent error message will be transmitted.
User → Command
User ←
Tag
Communication
Command Process
Tag Operation
Command
Response 1
Command Process
Tag 1
(11/23)
Response 2
(Tag Absence Error)
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