STEPPER MOTOR CONTROL MODULE. MODEL IBL-IM-14 The stepper motor interface module is a 4 bit bi-filar motor having a torque of 2Kg/cm2. This is interfaced to study how the motor can be operating bi-directionally. The number of steps, speed of rotation etc can be programmed into the controller. This trainer has necessary built-in power supplies, power drivers etc, located in an ergonomically designed cabinet. Qty :