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Equipped with roller technology, Dorner conveyors feature no-contact zones, each of which acts independently of the others, powered by a brushless DC gearmotor. ERT250 roller pallet conveyors use pallet sensors and control logic to determine when a pallet is free to move forward, or if a pallet is stopped downstream. If a pallet is required to stop, it will do so in the next zone. The motors operate only when pallets advance forward or backward. Multiple 100- to 960-mm wide zones can be created on a single conveyor. ERT250 roller tray handling conveyors also are available.