step motor controller(PSD8079-2P/2-phase )

Description ofstep motor controller PSD8079-2P/2-phase stepping driver KeyFeatures: 24to80VDCSupplyVoltage H-Bridge,2PhaseBi-polarMicro-steppingDrive Suitablefor2-phase,4,6and8leadsstepmotors,withNemasize23to42 Outputcurrentselectablefrom1.8 7.9Apeak Currentreductionby50%automatically,whenmotorstandstillmodeisenabled PulseInputfrequencyupto200kHz Opticallyisolated differentialTTLinputsforPulse,DirectionandEnable signalinputs Selectableresolutionsupto12800 steps OverVoltage,CoiltoCoilandCoiltoGroundshortcircuitprotection. Introduction PSD8079-2P isacosteffective,highperformancebi-polartwophasemicro-steppingdriveapplyingpure-sinusoidalcurrentcontroltechnique.Itisbestsuitedfortheapplicationsthatdesiredextremelownoiseandheat.Itoperateswellinanenvironment,whereelectricitysupplyexperienceinstabilityandfluctuation . Thegeneralpseudo-sinusoidalcurrentcontroltechnologyadoptedbymajorityofthedriveproduceddistortedsinewave,andcurrentripple,resultinginvibration,noiseandmotorheating.Thisresultsinmotordegradingovertime,reducinginmotorperformanceandshortenstheusagelife. Withanautomaticoptimizationspeedcontroltechnique,thePowerStepseriesdriveoutputisverystable,withalmostzerovibrationandnoise,performingclosetoaservosystem,allowingthemotortooperatesmoothly.Thathelpstofulfilladesignrequirementoflownoise,lowheatandhighperformance. CurrentSetting CurrentSetting(A) SW1 SW2 SW3 1.8 OFF OFF OFF 2.5 ON OFF OFF 3.5 OFF ON OFF 4.3 ON ON OFF 5.2 OFF OFF ON 6.0 ON OFF ON 7.0 OFF ON ON 7.8 ON ON ON Microstep SettingStep / Rev SW5SW6SW7SW8200OFFOFFOFFOFF400ONOFFOFFOFF500OFFONOFFOFF800ONONOFFOFF1000OFFOFFONOFF1250ONOFFONOFF1600OFFONONOFF2000ONONONOFF2500OFFOFFOFFON3200ONOFFOFFON4000OFFONOFFON5000ONONOFFON6400OFFOFFONON8000ONOFFONON10000OFFONONON12800ONONONON* SW4: ON=Full current, SW4 : OFF=Half current