gefran TPD32-EV-...-4B - Automatic Switching; Reel Stop

—————— Instruction manual ——————
341
Automatic switching
Thissequencecarriesoutanautomaticswitchingbetweentwocoilsduringawinding/unwindingperiod.
Diam calc Dis
Spd match compl
(digital output)
Diam reset
Torque winder En
Speed match
Start (drive)
Figure 6.17.10: Automatic switching between two coils during a winding/unwinding period
a) Commandsreferringtotheoldcoil:
 Duringthestarrotationphaseitisadvisabletodisablethediametercalculationofthecoilfunctioningas
Diam calc dis=1inordertoavoiderrorsinthediametercalculation.
b) Commandsreferringtothenewcoil:
 Initializethediametervalueasstatedabove.
 EnablethecommandSpeed match,Torque winder enandgivethestartcommandtothedrive.Themotor
willincreasethecoilspeedtillaperipheralspeedhasbeenreachedwhichcorrespondstothelinespeedfor
Spd match gainwiththerampsettoSpd match acc.Afterreachingsuchspeed,thedriveindicatestheend
ofthelaunchingphasewiththeparameterSpd match compl.
 DisablethecommandSpd match simultaneouslytotheswitchingbetweenthetwocoils.
 Enablethediametercalculation:Diam calc dis=0.
Reel stop
Thissequenceisusedtostoptheendedreelaftercarryingouttheautomaticswitching.
 DisabledthediametercalculationDiam calc Dis=1andStartcommand.Thereelwilldecreaseuptozero
speedwiththetimesetonSpd match dec .
 Atspeed=0disabledTorque winder en.