... -precision control Technical Features of GK800 Series High Performance AC Motor DrivesPower inputRated input voltage3-phase AC208V/AC220V/AC230V/ ... input. Compatible with active open collectors NPN, PNP and dry contact input. Three analog input terminals, one of which can ... carding machine, roving machine, compressor, crusher, pump, fan, etc. AC motor drives with large torque and vector control mode