The S4026 is a model of a motion control positioner drive and amplifier manufactured by MPC Industries. It is designed as an intelligent motion controller, acting as both a controller and amplifier for a variety of motors and drives. The S4026 has a range of features and options that allow for customizing and optimizing the drive and the motor system it is controlling. It includes a wide range of options and features, such as: adjustable loop gain, frequency response, acceleration and deceleration ramps, smooth start/stop and run-forward/run-reverse, torque and speed limit, selectable commutation modes, and real-time tuning. The S4026 is able to provide feedback on speed, torque, and position of the motor system, as well as being able to be programmed to provide quick response to a wide range of position and speed functions.