Features 1、Multi Usage: Suitable for 86 flange 4 wire, 6 wire, 8 wire two phase stepping motor. Built in PI control algorithm, with low noise, vibration and heat. Support single end, pulse and direction, dual pulse signal input. 2、16 Options: There are 16 kinds of subdivision, 16 kinds of current for selection, the default maximum subdivision is 128, and the output current is up to 8.2A, which will be halved after 1s of standstill. 3、Direct Input: Pulse, direction and enable terminal have constant current input function, can directly connect input signal without additional series resistance for voltage reduction and current limited protection. 4、Safety Protection: With the functions of overvoltage and undervoltage alarm, phase current overcurrent protection, motor phase open circuit detection, etc. 5、Wide Voltage Range: Support AC20 to 110V, DC20V to 160V power supply, feature optical isolation differential signal input, with maximum input pulse frequency of 300KHz. Specification Item Type: Digital Stepper Motor Driver Material: ABS Description Minimum Value Typical Value Maximum Value Unit Output Current (Peak Value) 2.2 - 8.2 A Supply Voltage 20 80 110 VAC 20 90 160 VDC Control Signal Current 5 10 20 mA Step Pulse Frequency 0 - 300 KHz Step Pulse Width 2 - - us Direction Signal Width 100 - - us Undervoltage Protection Point - 7.5 - VDC Overvoltage Protection Point - 170 - VDC Drive Initialization Time 2 - - S Insulation Resistance 500 ΜΩ Package List 1 x Digital Stepper Motor Driver