Feature: 1. GOOD PERFORMANCE: Support pulse and direction control, input signal supports photoelectric isolation, pulse response frequency up to 1MHz. 2. MULTIPLE FUNTION: The stepper motor driver has 8 optional gears, supports 4 baud rate communication methods, and supports up to 31 device addresses. 3. SAFE OPERATION: The power supply voltage range is 12-48VDC, and with automatic overcurrent and overvoltage protection, the operation is safe and reliable. 4. SIMPLE CONTROL: Built in 3 way universal inputs for communication control, in bus control mode, a MCU can complete motion control of up to 31 axes. 5. ALUMINUM ALLOY: Made of excellent aluminum alloy material, hard and corrosion resistant, has strong anti interference ability and good stability. Specification: .Item Type: Stepper Motor Driver Material: Aluminum Alloy Parameter Minimum Value Typical Value Maximum Value Unit Power Voltage 12 36 48 VDC Output Current 1.4 / 5.6 A Control Signal Input Current 5 10 20 mA Control Signal Voltage 4.5 5 5.5 V Pulse Frequency 0 / 1000 KHz Step Pulse Minimum Width 0.5 / / us Direction Signal Minimum Width 2 / / us Package List: 1 x Stepper Motor Driver Note: Do not overload use