YoucanusetheactuatorsfromBergerLahrtopositionflaps,valvesorslideswithgreatprecision.Insidethecompactservodrivehousingthereisamotor,agearboxandacontrolunit.Thereisachoiceofthreeactuatortypestosolveyourpositioningproblems:STM,STAandSTE.ActuatorsoftypeSTEarecontrolledbyanaloguesignals(currentorvoltage).Theangleofrotationoftheshaftcanbesetviaanaloguesignals.Theoperatingrangecanbefreelydefinedbetween0and90 .Anyangleofrotationcanbeselectedwithinthedefinedoperatingrange.Dependingontheversion,thesetpointcanbesetasavoltagefrom0to10Vorasacurrentfrom4to20mA.Thelimitsoftheoperatingrangecanalsobesafeguardedbytwolimitswitches.