1. The power supply voltage can reach 48VDC 2. The output current can reach 4.2A 3. Optical isolation, the input can share cathode, anode, differential signal, the limit of impulse response frequency is 200KHz 4. Low speed, zero vibration, and noise 5. Strong anti-interference , can achieve high-precision positioning in the harsh environment of the power grid Electrical characteristics: Input power: 24~80V DC power supply, capacity: not less than 200VA. Typical value: Dc36V Output current: 2.4A~7.2A, 8 levels adjustable, resolution 0.5A Drive mode: dual-machine constant current PWM drive output. Insulation resistance: more than the 500M Q under normal temperature and pressure Insulation strength: 500V/min at normal temperature and pressure. Environmental requirements: Cooling : natural cooling. Use occasions: Avoid dust, oil mist and gas. Operating temperature: 0 Celsius~+50 Celsius Environmental humidity: Less than 80%RH, no condensation, no frost Vibration: the maximum does not 5.7m/s Product parameter Product name: DM542 stepper driver Colour:black Material:PCB+ABS Size:12 x 7.8 x 3.5cm Package Contents: 1 * DM542 Phase Stepper Driver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.