IQAN expansion units are control system components that add digital and analog input and output functionality to electronic control architectures. The range consists of Parker Hannifin IQAN expansion modules, including IQAN-XP, IQAN-XA and IQAN-XC series units used within IQAN control systems. These modules interface via CAN networks and handle signal acquisition and output control. Standard setups combine expansion units with IQAN controllers, displays and joysticks. The product family enables flexible system scaling and structured signal management. Customers receive genuine Parker IQAN products with engineering support and fast worldwide delivery.