... maximum frequencySpeed control precisionOpen loop vector control: ±0.5%; (25±10Speed control rangeOpen loop vector control: 1:100Torque control responseOpen loop vector control:<200ms.Start torqueOpen loop vector control:150% of ... functionOver voltage, under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, phase ...