Trays are automatically loaded into one of five lanes in the storage system where they wait in a queue. There are 16 trays in each lane giving a storage capacity of 80 trays. One Flex Chain 'Load/Unload Conveyor' runs the complete length of the system, from the tray storage system past all six machines to an out-feed conveyor. The 'Load/Unload Conveyor' has 5 load units and 5 unload units together with sensors and stop gates. The Load/Unload conveyor system is controlled by a PLC (programmable logic controller) which communicates with the five machines PLCs. Sending and receiving signals concerning the loading and unloading of trays.

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