Miller Auto Axcess 450 Overview The Miller Auto Axcess 450 robotic welding supply is capable of performing various MIG welding processes including pulsed MIG, metal-cored, and carbon arc gouging. The Miller AA 450 is designed communicate with the Motoman XRC, Motoman NX100, Motoman DX100, and Motoman DX200 controllers. The Miller 450 is a great choice for automated, semi-automated, and robotic welding. The Auto Axcess 450 integrates with most used welding robots to provide a ready to weld solution. The Axcess 450 is commonly integrated with the Motoman SSA2000, the Motoman EA1400N, and the Motoman EA1900N.