2M420 2-phase step drive

Description of step drive 2M420 2-phase stepping driver KeyFeatures: 20to50VDCSupplyVoltage H-Bridge,2PhaseBi-polarMicro-steppingDrive Suitablefor2-phase,4,6and8leadsstepmotors,withNemasize17 Outputcurrentselectablefrom0.9 3.0Apeak Currentreductionby50%automatically,whenmotorstandstillmodeisenabled PulseInputfrequencyupto200kHz Opticallyisolated differentialTTLinputsforPulse,DirectionandEnable signalinputs Selectableresolutionsupto25000 steps OverVoltage,CoiltoCoilandCoiltoGroundshortcircuitprotection. Introduction PSD5042-2P isacosteffective,highperformancebi-polartwophasemicro-steppingdriveapplyingpure-sinusoidalcurrentcontroltechnique.Itisbestsuitedfortheapplicationsthatdesiredextremelownoiseandheat.Itoperateswellinanenvironment,whereelectricitysupplyexperienceinstabilityandfluctuation . Thegeneralpseudo-sinusoidalcurrentcontroltechnologyadoptedbymajorityofthedriveproduceddistortedsinewave,andcurrentripple,resultinginvibration,noiseandmotorheating.Thisresultsinmotordegradingovertime,reducinginmotorperformanceandshortenstheusagelife. Withanautomaticoptimizationspeedcontroltechnique,thePowerStepseriesdriveoutputisverystable,withalmostzerovibrationandnoise,performingclosetoaservosystem,allowingthemotortooperatesmoothly.Thathelpstofulfilladesignrequirementoflownoise,lowheatandhighperformance. Specifications Parameters Min Typical Max Unit OutputCurrent(Peak) 0.9 - 3 Amps Supplyvoltage 20 36 50 VDC LogicInputCurrent 7 10 16 mA Pulseinputfrequency 0 - 200 KHz LowLevelTime 2.5 µsec