The DM542 digital stepper motor driver adopts the latest 32-bit DSP technology, suitable for driving 57 and 86 series motors. It has excellent medium-low speed performance and can meet the application needs of most medium and small equipment.Features:1. Integrated with parameter self-tuning function, which can automatically generate optimal operating parameters for different motors.2. Can drive 4-wire / 8-wire two-phase stepper motor.3. Stable running and low noise under medium-low speed.4. Precise current control greatly reduces the motor heat.5. Optical isolation signal input, strong anti-interference ability.6. With over-voltage, over-current protection.Specification:Model: DM542Input voltage: 18-48VDC, 24V(Typical)Output current: 1.0-4.2APulse response frequency: 200kHz(Maximum)Insulation resistance: 500MSubdivision range: 400~25600pprWeight: Approx. 268g / 9.4ozPackage list:1 x Steeper Motor DriverNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..