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5-3
Section
Command and Response Frame Structure
74
5-3-2 List of Options
The following nine options can be specified in commands. There are four com-
mands (READ, WRITE, ADD, and SUBTRACT) that can use all of the options.
Symbol
Name
Description
ST
Single
Trigger
Communicates with the one ID Tag in the Antenna’s communications area.
SA
Single Auto
Waits for an ID Tag to approach and communicates with that one ID Tag in the
Antenna’s communications area.
SR
Single
Repeat
Waits for an ID Tag to approach and communicates with that one ID Tag in the
Antenna’s communications area. The Controller waits and communicates with other
Tags as they reach the Antenna’s communications area.
FT
FIFO Trigger
Communicates with ID Tags one at a time as they enter the Antenna’s
communications area.
FA
FIFO Auto
Waits for an ID Tag to approach and communicates with the ID Tags one at a time as
they enter the Antenna’s communications area.
FR
FIFO Repeat
Waits for an ID Tag to approach and communicates with the ID Tags one at a time as
they enter the Antenna’s communications area. The Controller waits and
communicates with other Tags as they reach the Antenna’s communications area.
ME
Multi-trigger
Communicates with all the Tags within the communications area of the Antenna.
Sends a “communications completed” response after communicating with all of the ID
Tags.
MR
Multi-repeat
Communicates with all the Tags within the communications area of the Antenna.
Communicates with new ID Tags as they enter the Antenna’s communications area.
L
j
(
j
:
*
or 0 to F)
Selective
Access
Communicates with a particular ID Tag out of the multiple ID Tags within the
communications area of the Antenna.
QT
(See note 1.)
Quick
Trigger
Communicates at high-speed with the one ID Tag in the Antenna’s communications
area.
QA
(See note 1.)
Quick Auto
Waits for an ID Tag to approach and communicates at high-speed with that one ID Tag
in the Antenna’s communications area.
QR
(See note 1.)
Quick
Repeat
Waits for an ID Tag to approach and communicates at high-speed with that one ID Tag
in the Antenna’s communications area. The Controller waits and communicates at
high-speed with other Tags as they reach the Antenna’s communications area.
Note
1. The QT, QA, and QR commands can be used with the V700-D
j
3P
j
1-Y ID
Tags only.
2. Do not set the Controller to energy-saving mode if the single repeat, FIFO
trigger, FIFO auto, FIFO repeat, or multi-repeat options are used, otherwise
a command error will result. The Controller must be set to energy-saving
mode when using the selective access function.
5-3-3 Data Code Designation
Specify in the command whether read or write data is handled as ASCII text data
or handled as hexadecimal numeric data.
Data of one character uses a single byte (or a single address) in ASCII or JIS8 in
the memory of the ID Tag.
ASCII Code Designation
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