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RFID-enabled Pocket Sorter System Delivers Millions of Goods at DCs
SSI Schaefer's new SSI Carrier solution is already in use by several large distribution centers around the world to receive, store and distribute hundreds of thousands of goods each day at a single site.
Jul 24, 2017—
SSI Schaefer Systems has released an automated system with a modular radio frequency identification-enabled pocket sorter that it is now selling to distribution centers worldwide. The system has already been installed at about 10 locations globally to manage the movements of millions of goods, the company reports.
The solution provides pocket sorter rails with RFID-tagged pocket or pouch carriers that enable it to automatically understand the exact location of each of hundreds of thousands of products that might be onsite at a large distribution center at any given time. The system can automatically deliver a particular item, via its pocket carrier, to the staging area, where goods can then be packed and shipped in order to fulfill a customer order.
Overhead conveyor systems allow the goods to be received and stored in a rail system so that they can be delivered directly to the area in which they are needed when orders are placed. However, Williams notes, without RFID, the identification of each item and the carrier pocket in which it hangs can be difficult to accomplish. Bar codes enable the identification of goods in such conveyor systems, but scanning them can be slower, and accuracy is not perfect. That matters, he adds, when products are shipped in large numbers. If only 99 percent of scans are accurate, that could still mean hundreds or thousands of potential errors each day. "Knowing with 100 percent accuracy exactly where everything is, is critical," he says.
Therefore, SSI Schaefer is using UHF RFID technology with its SSI Carrier solution. The SSI Carrier consists of overhead rail modules that a warehouse can build into a single or multiple overhead conveyor systems, which are managed with SSI Schaefer software residing on its own back-end server, integrated with the firm's management software or on the cloud. Each pocket or pouch is attached at a carrier point on the rail, and each carrier comes with an EPC UHF RFID tag. RFID readers are installed at key locations around the rail to identify the carrier within its vicinity. SSI Schaefer utilizes RFID readers from a variety of technology vendors, depending on a customer's particular needs.
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