... -3PH 2.2KW MULTI-FUNCTIONAL VFD/AC DRIVE/FREQUENCY INVERTER 1. SY8000 AC DRIVE/VFD Features:SANYU SY8000 AC ... inferface, standards, MODBUS protocol..SANYU SY8000 AC DRIVE/VFD PWM flexible energy braking, can quickly halt machine..SANYU SY8000 ... voltage, under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, ...