gefran TPD32-EV-...-4B - Page 325

—————— Instruction manual ——————
325
 WhenananaloginputissetonaPADparameter,itsmaximumvalueis+/-2048,
thereforeinordertohaveLine speed=100%:
Line speed gain=[32768x16384/(2048x8)–1]=32767
 (Inordertoobtainanetuningitisnecessarytocarryouttheselftuningprocedureof
theanaloginput).
Ref spd source
Ref speed gain TheirfunctionsaresimilartoLine speed sourceandLine speed gain.Theycansetthe
signalusedforthecalculationoftheinertiacompensationsandofthespeedreference.
Withtheexceptionofparticularconditions,forexampleadifferencebetweentheline
speedandthespeedreferenceduetothepresenceofalooponthematerial,suchvalues
aresetonthesamesourcewiththesamegains.
Base omega Valuein[rpm]correspondingtothemaximumangularspeedofthewinder/unwinder
(motorshaftside).
Line speed thr Linespeeddetectingthresholdin%.
 When“Reflinespeed”islowerthan“Refspeedthr”thediametercalculationisstopped.
Thediameteriskeptataconstantvalue.When“Reflinespeed”overcomesthethresh-
old,thediametercalculationisenabledwithaninitialltercorrespondingtoDiam init
lterforthetimesetinDiam stdy delay. Attheendofthistimethelterwillbeset
to Diam lter.
Diam lter Filteronthediametercalculationin[ms].
Diam init lter Initiallteronthediametercalculationin[ms].
Diam stdy delay Timein[ms]duringwhichthevalueofDiam init lteriskeptactiveafterLine speed
thrhasbeenovercome.
Diam reset Diameterreset.Whenthisparameterisenabled,thediametergetsastartingvaluese-
lectedwithDiam preset sel.
Diam thr ProgrammablediameterthresholdasapercentageofMaximum diameter.Thethreshold
overcomingisdetectedbyDiam reachedanditcanbesenttoadigitaloutput.
Diam reached Indicationfortheovercomingofthediameterthreshold.
Diam preset sel Selectorofthestartingdiameter[0…3].Diam preset selcanbesetdirectlyviathe
keypadorseriallineorviatwodigitalinputsprogrammedasDiam preset sel 0and
Diam preset sel 1,theselectioninthiscaseiscarriedoutwithabinarylogic.
Diam preset 0 0startingdiameterin[m].ThesettingofthisvaluemustbeincludedbetweenMinimum
diameter and Maximum diameter.
Diam preset 1 1startingdiameterin[m].ThesettingofthisvaluemustbeincludedbetweenMinimum
diameter and Maximum diameter.
Diam preset 2 2startingdiameterin[m].ThesettingofthisvaluemustbeincludedbetweenMinimum
diameter and Maximum diameter.
Diam preset 3 3startingdiameterin[m].ThesettingofthisvaluemustbeincludedbetweenMinimum
diameter and Maximum diameter.
Itcanbeassignedtoananaloginput,inthiscase10VcorrespondtoMaximum diam-
eterandthevoltagereferringtotheminimumdiameteris=10x(Minimum diameter
/Maximum diameter).