User's Manual
User Manual | SRU-8X1X RFID Reader 18000-63
Doc No. 47000001740
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Version 01
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2018-12-11
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released
Page 15 of 105
Confidential
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RFID System
An RFID system is comprised of the control computer of the reader, antennas, antenna connection cables
and the tags. The figure below shows the schematic structure of the system:
Figure 1 RFID system (example)
The tags consist of an antenna and a small chip. The chip is the true carrier of the information, the EPC
(Electronic Product Code) number. This number can identify products or product groups. Alternatively, the
EPC can be overwritten with new information.
To read the tag information, the reader switches on an RF carrier by means of a selected antenna, thus
supplying the tags in the RF field with energy.
To read the information from a tag, it is necessary to inventory the tags and then select a tag from the
population of tags. Upon successful completion of the inventory, the EPC number of each tag can be read
and sent to the PC. It is possible to attach additional information to the EPC, for example, the antenna which
read it or the time at which it was read.
NOTICE
The reader operates using the frequency hopping process to avoid faults and interference
between readers.
Within the FCC area, this procedure is mandatory. The reader changes its transmission
frequency randomly, with equal distribution across the 52 available channels. Each channel
is used for max. 400 ms in an interval of 20 s.
The ReaderStart v3 software can be used for testing and parametrising.