Four control modes: VF control with PG, V/F without PG, open loop vector control, close-loop vector control.Input voltage:220V~240V+/-15%,3 AC 380V~46OV +/-15%. Overload capacity: 150% for 60s，180% for 10s,200% for 3s. Start torque:OHz/150%(Svc), OHz/180%(FVC). Speed adjust range:1:1000(FVC),1:10o(Svc). Speed control accuracy:+/-0.02%(FVC),+/-0.2%(SvC). Speed control response: <3.5ms (FVC),20ms (svc). Modbus, profibus and CANopen communications are optional . 2 channels Al and 2 channels AO.(O-20mA,0-10v)