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4-2 Data Formats
3) Specifying the Communications Mode
The following seven communications modes are supported for different processing procedures and
execution timing.
Communica-
tions mode
Single Trigger
Single Auto
Single Repeat
FIFO Trigger
FIFO Auto
FIFO Continu-
ous
FIFO Repeat
Note Single repeat mode can only be specified for commands 01, 31, 35, 3A, 41, and 42.
4-6
No.
After a command is received, communications with the tag is performed immediately
and a response is sent. If there is no tag in communications range, a No Tag error is
0 Hex
sent. After the response has been sent, the mode changes to sleep mode.
Only one tag is permitted in communications range.
After a command is received, this mode waits for a tag to enter communications
range, and then performs communications with the tag. After the response has
1 Hex
been sent, the mode changes to sleep mode. If a STOP command is received
while waiting for a tag, the command is ended.
Only one tag is permitted in communications range.
After a command is received, this mode waits for a tag to enter communications
range, and then performs communications with the tag. If this mode has been
2 Hex
specified, the command is repeated sequentially until a STOP command is re-
ceived. This mode is enabled only for read commands.
Only one tag is permitted in communications range.
After a command is received, communications with the tag is performed imme-
diately and a response is sent. If there is no tag in communications range, a No
Tag error is sent. Access is prohibited to tags with which communications have
8 Hex
been completed, and the RFID Unit continues unmodulated oscillation. Tags with
which communications have been completed do not respond to the next com-
mand. After the response has been sent, the mode changes to sleep mode. If a
STOP command is received, oscillation stops.
After a command is received, this mode waits for a tag to enter communications range,
and then performs communications with the tag. Access is prohibited to tags with which
communications have been completed, and the RFID Unit continues unmodulated
9 Hex
oscillation. Tags with which communications have been completed do not respond to
the next command. After the response has been sent, the mode changes to sleep
mode. If a STOP command is received while waiting for a tag, the command is ended.
After a command is received, this mode waits for a tag to enter communications range,
and then performs communications with the tag. Access is prohibited to tags with which
communications have been completed, and the RFID Unit continues unmodulated
oscillation. Tags with which communications have been completed do not respond to
A Hex
the next command. After the response has been sent, when ACK is received, this mode
again waits for a tag to enter communications range, and then performs communica-
tions with the tag. If a STOP command is received while waiting for a tag, the command
is ended.
After a command is received, this mode waits for a tag to enter communications range,
and then performs communications with the tag. Access is prohibited to tags with which
B Hex
communications have been completed. Tags with which communications have been
completed do not respond to the next command. If this mode has been specified, the
command is repeated sequentially until a STOP command is received.
Details
Section 4-2
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