Beijer-electronics BFI-P2 V1.21 Uživatelský manuál stáhnout pdf (Strana 39)

UserGuideRevision1.121

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www.beijerelectronics.com

39

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Par ParameterName Minimum Maximum Default Units

P2‐21 DisplayScalingFactor ‐30.000 30.000 0.000 ‐

P2‐22 DisplayScalingSource 0 2 0 ‐

P2‐21&P2‐22allowtheusertoprogramtheDrivetodisplayanalternativeoutputunitscaledfromanexistingparameter,e.g.to

displayconveyerspeedinmetrespersecondbasedontheoutputfrequency.ThisfunctionisdisabledifP2‐21issetto0.

IfP2‐21

isset>0,thevariableselectedinP2‐22ismultipliedbythefactorenteredinP2‐21,anddisplayedwhilstthe driveis

running,witha‘c’toindicatethecustomerscaledunits.

P2‐22Options

0:MotorSpeed

1:MotorCurrent

2:AnalogInput2

3:P0‐80Value

P2‐23 ZeroSpeedHoldingTime 0.0 60.0 0.2 Seconds

Determinesthetimeforwhichthedriveoutputfrequencyisheldatzerowhenstopping,beforethedriveoutputisdisabled

P2‐24 EffectiveSwitchingFrequency DriveRatingDependent kHz

Effectivepowerstageswitchingfrequency.Therangeofsettingsavailableandfactorydefaultparametersettingdependonthe

drivepowerandvoltagerating.Higherfrequenciesreducetheaudible‘ringing’noisefromthemotor,andimprovetheoutput

currentwaveform,attheexpenseofincreaseddrivelosses.Refertosection1Error!Referencesourcenotfound..4forfurther

informationregardingoperationathigherswitchingfrequency.

P2‐25 2ndDecelerationRampTime 0.00 240.0 0.00 Seconds

ThisparameterallowsanalternativedecelerationrampdowntimetobeprogrammedintotheDrive,whichcanbeselectedby

digitalinputs(dependentonthesettingofP1‐13)orselectedautomaticallyinthecaseofamainspowerlossifP2‐38=2.

Whensetto0.0,thedrivewillcoasttostop.

P2‐26 SpinStartEnable 0 1 0 ‐

0:Disabled

1:Enabled.Whenenabled,onstartupthedrivewillattempttodetermineifthemotorisalreadyrotating,andwillbegintocontrol

themotorfromitscurrentspeed.Ashortdelaymaybeobservedwhenstartingmotorswhicharenotturning.

P2‐27 StandbyModeTimer 0.0 250.0 0.0 Seconds

Thisparameterdefinestimeperiod,wherebyifthedriveoperatesatminimumspeedforatleastthesettimeperiod,theDrive

outputwillbedisabled,andthedisplaywillshowstndby.ThefunctionisdisabledifP2‐27=0.0.

P2‐28 SlaveSpeedScalingControl 0 3 0 ‐

ActiveinKeypadmode(P1‐12=1or2)andSlavemode(P1‐12=5)only.Thekeypadreferencecanbemultipliedbyapresetscaling

factororadjustedusingananalogtrimoroffset.

0:Disabled.Noscalingoroffsetisapplied.

1:ActualSpeed=Digital

SpeedxP2‐29

2:ActualSpeed=(DigitalSpeedxP2‐29)+AnalogInput1Reference

3:ActualSpeed=(DigitalSpeedxP2‐29)xAnalogInput1Reference

P2‐29 SlaveSpeedScalingFactor ‐500.0 500.0 100.0 %

UsedinconjunctionwithP2‐28.

P2‐30 AnalogInput1(Terminal6)Format SeeBelow

U 0-10

‐

U 0-10=0to10VoltSignal(Uni‐polar)

U 10-0=10to0VoltSignal(Uni‐polar)

-10-10=‐10to+10VoltSignal(Bi‐polar)

A 0-20=0to20mASignal

t 4-20=4to20mASignal,theDrivewilltripandshowthefaultcode4-20Fifthesignallevelfallsbelow3mA

r 4-20=4to20mASignal,theDrivewillramptostopifthesignallevelfallsbelow3mA

t 20-4=20to4mASignal,theDrivewilltripandshowthefaultcode4-20Fifthe signallevelfallsbelow3mA

r 20-4=20

to4mASignal,theDrivewillramptostopifthesignallevelfallsbelow3mA

P2‐31 AnalogInput1Scaling 0.0 500.0 100.0 %

Scalestheanaloginputbythisfactor,e.g.ifP2‐30issetfor0–10V,andthescalingfactorissetto200.0%,a5voltinputwillresult

inthedriverunningatmaximumspeed(P1‐01)

P2‐32 AnalogInput1Offset ‐500.0 500.0 0.0 %

Setsanoffset,asapercentageofthefullscalerangeoftheinput,whichisappliedtotheanaloginputsignal

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