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gefran TPD32-EV-...-4B User Manual

gefran TPD32-EV-...-4B
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—————— TPD32-EV ——————
334
Status 3:
ThesystemreachesthisstatusifthecommandSpeed match=1andtheStartcommandaregiven.
StartingfromaStopcondition,ifthesecommandsaregiven,themotorspeedreferenceissetwith:W refer-
ence = [± Line speed x (Min dia ÷ Roll dia) ± (W gain % * W offset)] x Spd match gain
whereW offsetisforcedto0witharamptimesettoSpd match acc.
IfduringaStatus3functioningperiodthecommandSpeed match issetatzero,theStatus4isforced.
IfduringaStatus3functioningperiodthesystemreceivesaStopcommand(Startdrive=0),theStatus5
isforced.
Status 4:
ThesystemreachesthisstatusifstartingfromtheStatus3thecommandSpeed match issetatzero.
Itusuallyhappenssimultaneouslywiththecuttingandcoilchangecommand.
Inthisstatusthemotorspeedreferenceissetto:
W reference = ± Line speed x (Minimum diameter ÷ Roll diameter) ± ( W gain % + W offset)
alltheinternalramptimesforthereferencecalculationaresetatzero.
IfduringaStatus4functioningperiodthesystemreceivesaStopcommand(Startdrive=0),theStatus5
issetatzero.
Status 5:
ThesystemreachesthisstatusthroughtheStatus2,3,and4ifitreceivesaStopcommand(Startdrive=0).
Itusuallyhappens:
a) afteranautomaticswitchinginordertostoptherotatingcoil.
ThespeedreferenceissetatzerowitharamptimesettoSpd match dec.
TheparameterW offsetisimmediatelysetatzeroinordertoslowdownthecoilstartingfrom
thepresentspeed
b) Afterthelinestopifthetensionhastoberemoved(inthiscasethedrivehastobedisabled).
Anyway,whenthespeed=0hasbeenreached,thesystemswitchesautomaticallytotheStatus1.

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gefran TPD32-EV-...-4B Specifications

General IconGeneral
Brandgefran
ModelTPD32-EV-...-4B
CategoryDC Drives
LanguageEnglish

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