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RFID complements visual systems

An Accusort product story
Edited by the Engineeringtalk editorial team Jan 12, 2005

RFID system meets the requirements of some of the most demanding distribution centre applications.

Accu-Sort has leveraged its extensive experience in high-speed sortation using cameras to read barcodes to design an RFID system that meets the requirements of some of the most demanding distribution centre applications.

The system also seamlessly integrates into Accu-Sort's installed base of existing barcode scanning tunnels within these distribution centres, through common, communications, data aggregation and network management interfaces, easing deployment and maintenance.

In the distribution hub, the Accu-Sort system tracks 2 to 3ft totes with an RFID tag affixed to the bottom as they move over a conveyor.

The system has been validated at more than 600ft/min with read rates in excess of 99%.

The system not only reads RFID tags at this rate but determines the order of the totes on the conveyor, allowing the distribution centre to perform high-speed sortation.

The system uses an industrial PC with a touch screen and graphical user interface.

The RFID reader is embedded in the I/O controller.

The system is made possible in part due to a uniquely designed bottom-read antenna, which minimises the conveyor bed modifications.

Since antennas cannot read through metal, Accu-Sort developed a thin-profile antenna solution that reads the bottom of totes and boxes without the need to cut holes in the conveyor.

"Initiatives like these have been made possible due to Accu-Sort's investment in a state-of-the-art RFID lab, allowing us to push the envelop in developing advanced high-speed tracking and sortation applications", said Frank LaBarbera, Director of RFID Product Management at Accu-Sort Systems.

"Ultimately this is a tremendous benefit to our customers, and the industry as a whole, as solutions will now become available that can dramatically improve supply chain management inventory tracking processes through the use of RFID".

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