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SECTION 5
ID Sensor Unit Functions
Multi-access Trigger
With a multi-access trigger communications specification, communications are executed with multiple
ID Tags when a command is sent. The ID Sensor Unit sends responses sequentially as
communications with the ID Tags in the communications area are completed. Move the results data
stored in the Data Storage Area to another area before the results data from the next ID Tag is stored.
After the ID Sensor Unit has completed communications with all of the ID Tags in the communications
area, the ID Busy Flag will turn OFF, and the ID Sensor Unit will wait for the next command.
(Commands will be accepted for an Antenna that is not processing a command.)
When the Command Execution Bit (CIO n, bit 00)
is turned ON, the ID Sensor Unit will
communicate with all ID Tags in the
communications area. If there are no ID Tags in
the communication area, an ID Tag missing error
will be returned.
ID Tag
SECTION 5
Antenna
Communications Specifications
Multi-access Trigger Specification
Multi-access Trigger specification
Note: Results will be returned whether
or not an ID Tag is present.
Command Execution Bit
Abort Bit
Note: After communications with all ID Tags in the
communications area have been completed,
the ID Busy Flag will turn OFF.
ID Busy Flag
Results
Results
Results
Normal End Flag
Error End Flag
Communications with
ID Tag
ID Tag movement
ID Tag movement
ID Tag movement
Comm. A
Comm. B
Comm. C
ID Tag A
ID Tag B
ID Tag C
When using the V680-D2KF@@/-D@KF68 with a multiple-access trigger specification, the normal communications
speed will be used regardless of the setting in DM m+0.
Multi-access trigger specification cannot be used for communicating with V680-D1KP@@ Tags.
RFID System
User's Manual
91