PSD79AC-2P/2 phase stepper drive

Description of /2 phase stepper drive KeyFeatures: 1. AC80 to220VSupplyVoltage 2. H-Bridge,2PhaseBi-polarMicro-steppingDrive 3. Suitablefor2-phase,4,6and8leadsstepmotors,withNemasize 23to42 4. Outputcurrentselectablefrom1.8 7.9Apeak 5.Pulse input frequency up to 200kHz 6.Opticallyisolateddifferential TTLinputsforPulse,DirectionandEnable signalinputs 7.Selectableresolutionsupto12800 steps OverVoltage,CoiltoCoilandCoiltoGroundshortcircuitprotection. Introduction The PSD79AC-2PisoneofthefewDirect-On-LineStepMotorDrive,availableintheindustry,whichcanbesimplypowerupfromtheACpowersourcewithouttheneedofaPowerSupply.Thismakesitcosteffectiveandspaceefficient.Withahighervoltageinput,thishighperformancebi-polartwophasemicro-steppingdriveisabletoexciteamotorsizefromNema23uptoNema42.Itcandrive2Phasehybridmotor,thatcomesin4,6,or8leads. Withanautomaticoptimizationspeedcontroltechnique,thePowerStepseriesdriveoutputisverystable,withalmostzerovibrationandnoise,performingclosetoaservosystem,allowingthemotortooperatesmoothly.Thathelpstofulfilladesignrequirementoflownoise,lowheatandhighperformance. Specifications Parameters Min Typical Max Unit OutputCurrent(Peak) 1.8 - 7.9 Amps Supplyvoltage 80 110 220 VAC LogicInputCurrent 7 10 16 mA Pulseinputfrequency 0 - 200 KHz LowLevelTime 2.5 µsec Microstep setting Step / Rev SW5SW6SW7SW8200OFFOFFOFFOFF400ONOFFOFFOFF500OFFONOFFOFF800ONONOFFOFF1000OFFOFFONOFF1250ONOFFONOFF1600OFFONONOFF2000ONONONOFF2500OFFOFFOFFON3200ONOFFOFFON4000OFFONOFFON5000ONONOFFON6400OFFOFFONON8000ONOFFONON10000OFFONONON12800ONONONON