... settingCan drive any 3,6 lines three phases stepper motor below 7.0AProtection for over voltage, over current, lack phase, under voltage, output ... display, RS485 communicationThree phasesAC220V0-3ADP7022Maxi pulses/rev: 40000Three phasesAC220V0-7A 3-phase stepper driver motor Xinje-DP7022C