Description of stepper driver PSD6056-2P/2-phase stepping driveKeyFeatures: 24to58VDCSupplyVoltage H-Bridge,2PhaseBi-polarMicro-steppingDrive Suitablefor2-phase,4,6and8leadsstepmotors,withNemasize16to34 Outputcurrentselectablefrom1.4 5.6Apeak Currentreductionby50%automatically,whenmotorstandstillmodeisenabled PulseInputfrequencyupto200kHz Opticallyisolated differentialTTLinputsforPulse,DirectionandEnable signalinputs Selectableresolutionsupto12800 steps OverVoltage,CoiltoCoilandCoiltoGroundshortcircuitprotection. Introduction PSD6056-2P isacosteffective,highperformancebi-polartwophasemicro-steppingdriveapplyingpure-sinusoidalcurrentcontroltechnique.Itisbestsuitedfortheapplicationsthatdesiredextremelownoiseandheat.Itoperateswellinanenvironment,whereelectricitysupplyexperienceinstabilityandfluctuation . Thegeneralpseudo-sinusoidalcurrentcontroltechnologyadoptedbymajorityofthedriveproduceddistortedsinewave,andcurrentripple,resultinginvibration,noiseandmotorheating.Thisresultsinmotordegradingovertime,reducinginmotorperformanceandshortenstheusagelife. Withanautomaticoptimizationspeedcontroltechnique,thePowerStepseriesdriveoutputisverystable,withalmostzerovibrationandnoise,performingclosetoaservosystem,allowingthemotortooperatesmoothly.Thathelpstofulfilladesignrequirementoflownoise,lowheatandhighperformance. Cooling NaturalCoolingorForcedConvection Environment Space Avoiddust,oilfrostand corrosivegases AmbientTemperature 0°C50°C Humidity 4080%RH Vibration 5.9m/s²Max StorageTemp. -10°C80°C Weight Approx.260gram Microstep Setting Step / RevSW5SW6SW7SW8200OFFOFFOFFOFF400ONOFFOFFOFF500OFFONOFFOFF800ONONOFFOFF1000OFFOFFONOFF1250ONOFFONOFF1600OFFONONOFF2000ONONONOFF2500OFFOFFOFFON3200ONOFFOFFON4000OFFONOFFON5000ONONOFFON6400OFFOFFONON8000ONOFFONON10000OFFONONON12800ONONONON * SW4: ON=Full current, SW4 : OFF=Halfcurrent