... VVVF control, flexible I/O, PI tuning, RS485 port Name VB3-2_ _ _0P40P7OutputMatched motor(KW)0.40.75Rated ... frequency inverter will stop when reaching the fixed lengthCommunicationfunctionWith RS485 port, support Modbus-RTU protocol. Be with master-slave multi ... mode, & keys setting mode, digital function code setting mode; serial port setting mode,UP/DOWN terminal setting mode;analog voltage setting ...