... InterfacePositive 5V PowerGNDGND terminalGND GND0-20ma,4-20ma,analog quantity output signal,choose throug program FMCurrent signal output terminalTechnical specification Operationoperational controlkeyboard / ... ,stop,restartanalog output0-20MA,4-20MA for choosingdefencivefunctionsoft starter protectionover current,overload, overheating, unbalanced three-phase,light load, external problem etcsoft ...