... Position and pulse control WD30 servo driver for CNC system Full digital control type servo driver Can select controlled ... 500HZspeed undulation rate Velocity modulation ratio1:5000Input pulse frequency0-500KHZ Input controlservo EN , Alarm Clr , deviation counter reset , ... ,lacation ready output, speed arrival output.Position control input wayTwo-phase A/B orthogonality pulse,pulse+direction,CCW ...