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Section 6 RFID System Maintenance
RFID System
User's Manual
(Modbus TCP)
Section 6
Functions
RFID System Maintenance
Communications performance can be affected by environmental factors around the RFID System
(including metal objects, the positional relationship between the Reader/Writer and RF Tags, and
noise). You can use the RFID System maintenance functions to check the leeway in communications
and achieve more stable device operation.
You can use the maintenance functions with Reader/Writers with firmware version 2.00 or higher.
Refer to GET FIRMWARE VERSION in Section 7 Host Communications Specifications for the procedure to check the firmware
version.
p.194
You cannot use the maintenance functions if you are using the FIFO Trigger communications option.
Communication Diagnostic
This function diagnoses the communications leeway whenever the Reader/Writer communicates with an RF
Tag, displays the results on an operation indicator, and reports the results to the host device. It will help you
achieve a more stable Reader/Writer and RF Tag installation and enable monitoring the status of operations.
The operation indicator lights green for a stable communication, yellow for an unstable communication,
and red for a communications error.
Yellow, which indicates an unstable communication, means that there is only 10% to 30% leeway in
relation to the maximum communications range.
Area of stable communications
Area of unstable communications
Area of stable communications
Area of unstable communications
Area of stable communications
Area of unstable communications
Area of stable communications
Area of unstable communications
Maximum communications range
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