A modular drug infusion system (200) includes a plurality of infusion pump modules (230-260) and a central management unit (210) interconnected with the infusion pump modules to provide centralized control. The central management unit includes a display and touch screen (211) that enables users to initiate infusion related parameters and calculation for each of the pump modules. The pump modules also include display and touch screens (211) that enable the user to initiate infusion related parameters and calculations in each pump without having to access the central management unit.