... :with USB communication interfaces,sustaining Modbus precise digital control AC Servo driver Product Introduction Servo ... /torqueDigital input5 Programmable input terminals(Optical Isolation)Digital Output3 Programmable input terminals(Optical Isolation)Signal ... Pulse Frequency etc.Defensive functionOverspeed,Overvoltage,Overcurrent,Overload,Abnormal brake,Abnormal Encoder,out of tolerance ...