Pilz PMCprimo DriveP.06/AA0/4/0/0/208-480VAC User Manual download pdf (Page 25)

Functiondescription

OperatingManualPMCprotegoS22(C)

1002529EN02

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SS1Activate:InputforsafetyfunctionSS1

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Reset:Inputforreset

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Ready:Outputforoperatingstatusofthesafetycard

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STOAcknowledge:OutputforfeedbackfromsafetyfunctionSTO

4.3.3 Safestop2SS2

Thesafetyfunction"SafeStop2"(SS2)brakesthedriveinacontrolledmannerandmonit

orsitforstandstill.

Featuresofthesafetyfunction:

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Thedrive’scontrolfunctionsaremaintained.Powerisappliedtothemotor.

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Powertothemotorisnotshutdown.

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Thesafetyfunction"SafeStop2"correspondstocontrolledbrakinginaccordancewith

IEC602041,stopcategory2.

Thesafetycardmonitorsthefollowingfunctions:

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Brakingramp

IntheConfigurator,thebrakingrampisspecifiedandmonitoringisactivated.Thebrak

ingperioddependsonthespeedofthemotorwhenbrakingisstarted.

ThebrakingrampcanbemonitoredviaamaximumpositionerrorspecifiedintheCon

figurator.

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Brakingrampinnormaloperation

ThedrivestartswiththeconfiguredbrakingrampwhensafetyfunctionSS2hasbeen

activated.Oncethetimehaselapsed,SOSisactivated.

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Standstillposition

– Thesafetyfunctionmonitorswhetherthestandstillpositionremainswithinacon

figuredtolerancewindow.

– SafetyfunctionSS1(ESTOPbrakingramp)isactivatedifthestandstillposition

leavesthetolerancewindow.

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AutomaticSOSatstandstill

AstandstillthresholdforactivatingthesafetyfunctionSOScanbespecifiedintheCon

figurator.

SafetyfunctionSOSisactivatedwhen

– standstillisachievedwhiletheSOSdelaytimeisrunning.

– theSOSdelaytimehaselapsed.

InputandoutputassignmentintheConfigurator:

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InputsI0...I6

– SS2Activate

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OutputsO0…O3

– SSASafeStandstillAcknowledge

Prerequisitesfornormaloperation:

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Input"SS1Activate"and"Reset":"1"Signal(+24VDC)

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"Ready"output:"1"Signal(+24VDC).Thesafetycardisreadyforoperation.

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Pilz PMCprimo DriveP.06/AA0/4/0/0/208-480VAC User Manual Page 25

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