... VFD, variable frequency drive, VSD, variable speed drive, AC motor drive, energy saver, speedchanger, variator, speed controller1 Features of EDS800 ... ) and automatic current limiting function 5> RS485 communication interface (part in option) 6> Support local and remote keypad;7> ... .2> Long-distance control to start/stop of the motor: blower, food, chemical machine, packing machine, transportation machine ...