For X20 controller and I/O system, Model X20 has 4 inputs for end switches/encoders, and automatic motor detection when booting and stall detection that identifies overload situations or any unwanted blocking of motor. Stepper motor connections can resolve each full step into up to 256 microsteps. Offering integration with Automation Studio and Soft CNC, controller is designed for bipolar 2-phase stepper motors, 1 A (24 V) or for 3 A (18–48 V) rated current.