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Identification systems

Identification systems

In production, intralogistics and conveying, automated identification based on 1D/2D codes or RFID labels has become a standard. Such automated identification systems enable the requirements-driven distribution of goods or assembly components as well as their traceability in real time. As a result, manufacturing and supply processes can be fully automatically controlled and seamlessly documented.
In RF identification systems, workpiece or goods carriers are marked by RFID transponders, i.e., ID tags. Antennas enable non-contact reading from and/or writing to such ID tags. These data are immediately transferred to an RFID evaluation unit, where they are processed. The RFID evaluation unit transmits the data to the PLC via fieldbus interfaces such as PROFIBUS DP, PROFINET, Ethernet IP, Ethernet TCP/IP or EtherCAT. Applications are found in production lines, where the units are used for material flow control.
Application areas of the 1D/2D code reader range from product tracking and product control to product identification.
The sensor can read 1D and 2D codes on goods and workpiece carriers regardless of their position. Even if up to 25% of the code information becomes damaged or soiled, it is still read correctly. The reader can also be used for optical character recognition (OCR), e.g. in order to identify products based on type labels or serial numbers.