DSMS series Baldor's DSM series is an integrated high torque stepper motor and microstepping driver. The DSM is available in three frame sizes NEMA 17, 23, and 34, providing open loop operation with torques up to 1061 oz-in (749N-cm). The 1.8° stepper motor is combined with a microstepping drive, with up to 14 resolution setting from 400 steps to 51,200 steps per revolution. A simple Windows™ front end is used to set up resolution and other parameters.