2M542-N is a subdivided drive with uniform angles and constant torque, with drive voltage DC 24-58V, matching various models of two-se hybrid stepper motors with current below 4.2A, OD 42 and 57MM. The drive internally adopts the servo control-like circuit, which can make the motor running at low speeds smoothly with low heat and almost no vibration and noise. When the step pulse stops more than 100m/s, the drive current will reduce by a half automatically. Positioning accuracy up to 25600 steps / cycle.