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Communications Methods
Section 5-5
5-33
3)
Multiple Access
In multiple access, communications with all of Tags existing in the communications area can be
carried out. In this case, the Tag No. setting commensurate with the number of Tags within the
communications range is set using the commands.
Multiple Access Read
A communications end response is returned when communications with all Tags within the commu-
nications range ends for the Multiple Access Read Command (RD).
Communications End Response “72”
Hold plural responses
Communications processing
Hold responses
Multi Access Read
tag
Controller
Host
Communications processing
Tag (0)
Hold responses
Tag (1)
Multiple Access Write
A response is returned once only when communications with all Tags within the communications
range ends for the Multiple Access Write Command (WT).
Tag
Response
Controller
Multi Access Write
Host
Communications processing
Tag (0)
Tag (1)
Communications processing
Ends writing on all the tags
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