mini size, sensorless vecotrol frequency converter 0.4KW-7.5KW Main features16- ... counter,PLC operation, external Base Block (NC, NO), auxiliary motor control is invalid, ACI/AVIselections, drive reset. ... Block, Fault Indication,Local/Remote indication. PLC Operation indication. Auxiliary Motor Output, Driver is Ready,Overheat, Alarm, Emergency ... 50HzApprovalsC € © FST-500 mini SVC frequency converter