gefran TPD32-EV-...-4B - Fast Stop

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141
6.1.3 Fast stop
Parameter description No.
Value
Standard
Conguration
min max
Factory
American
Factory
Standard
Fast/Stop
FastStop
NoFastStop
316 0 1 NoFastStop NoFastStop Terminal14
+15...30V
0V
Terminal14:  +15...30V=NoFaststop  0V=Faststop
note! The function cannot be actuated via the keypad!
Application:Fast stopisactuatedinemergenciesandhazardoussituations,inordertostopthedriveinthe
shortestpossibletime.Thismethodofstoppinghastheadvantageoverdisconnectioninthatwithafourquad-
rantdrive(TPD32-EV...4B)energycanberecoveredintheACinputandthemotorcanbebroughttoahaltin
ashortertimethanwhenitcoastsdown.
TheFast stop commandisalwaysrequiredforoperationoftheconverter.Aremovalofthecommandwhenthe
driveisrunninginitiatesbrakingwiththerampspeciedbytheparametersQstp delta speed andQstp delta time.
Whenthedriveisbroughttoahalt,itisstillenabledandhastorque.TheStart commandorEnable drive com-
mandmustberemovedforittobedisconnected.
ThedrivebehavioraftertheFaststopcommandhasbeengivendependsonthetypeofoperatingmodeselected:
- Operationviatheterminalstrip(Main commands =Terminals):
 Thedriveexecutesbrakinguntilthereisnovoltageonterminal14.Whenvoltageisrestored,thedrive
automaticallyacceleratestotherequiredreferencevalue(precondition:theotherenablecommandsarestill
active).
- Operationviaseriallinewithcommandsgivenviaterminalstoo(Main commands=Digital):
 Thedriveexecutesbrakinguntilithascometoahalt.Whenvoltageisrestoredonterminal14,thereisno
automaticstart.ThisrequirestheentryoftheStartcommand.
- IftheFast stopcommandisactuatedviatheserialinterfacewhilethereisavoltagepresentonterminal14,
thefaststopisexecuteduntilthedriveisatahalt.TheStartcommandmustbeenteredforthedrivetobe
restarted.