ABB SMS01 Stepper Motor Module, also known as the ETSI Bailey Controls SMS01, is a Bailey INFI 90 distributed control system (DCS) component that drives a stepper motor to provide precise, repeatable actuator positioning in industrial automation environments. It sits within Bailey INFI 90 installations as a dedicated motion control module for stepper motors, enabling accurate positioning of actuators and other controlled devices. The SMS01 is documented in distributor listings under the ETSI Bailey Controls branding, including ClassicAutomation, Radwell, and ControlTech-Supply.
