Kathrein RRU4-RS4-E6 Installation Manual
Also see for 52010093: Configuration manual
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Contents
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Installation manual Reader 9Modifications, misprints and errors exceptedEnglish2. Introduction2.2. RFID systemAn RFID system consists of the control computer of the actual reader, antennas, antenna connection cables and thetags. The figure below shows the schematic structure of the system:The tags consist of an antenna and a small chip. The chip is the true carriers of the information,the EPC number. This number can be identified products or product groups. Alternatively, the EPC can be overwrittenwith new information.To read the tag information, the reader sends an RF carrier by an active antenna and thus supplies the tags in the RFfield with energy.If the information in one tag should be read, this tag should be first selected (inventoried) 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. Additionalinformation can be attached to the EPC, for example the antenna which read it the time point at which it was read.Figure: continuous operation ETL and ELC RFID systemBy the ETL and ELCReader is an industrialPC with Linux operatingsystem is integrated.RS232RS422/485Ethernet2.1. The readerThe Kathrein RFID (Radio Frequency Identification) reader RRU4 is a multi-protocol-capable device for reading activeand passive RFID tags in the frequency range from 865 to 868 MHz for Europe type “E6” and 902 to 928 MHz for theAmerican market type “U6”. As supplied the unit can read and write tags in accordance with the EPC-Gen2 standard.Additional protocols can be loaded using software updates.The device has a maximum of four external antenna ports for connection of the transmission/reception antennas forcommunication with RFID tags.For integration into a variety of infrastructures, the device has different communication interfaces depending on thevariant. The power supply is provided by a 4-pin M12 panel connector in A coding.Important!The reader operates using the frequency hopping process, so as to avoid faults and interference between readers.Within the FCC area this procedure is mandatory. The readers changes its transmission frequency randomly,with equal distribution across the 52 available channels. Each channel is used for max. 400ms in an interval of 20s. |
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