... assures longer control distance for motor .4, Flexible multi grade V/F control mode5, Powerful automatic torque magnification ... input VS2:-10~10v ,run stop, forward/backward , frequency pulse input, jogging ,multi-speed ,free stop ,reset, accelerate/decelerate time ,frequency ... 4~20mA output and frequency pulse output.PUBIC DC bus barThis technique is energy efficiency ,environment friendly and ...