Pilz PMCprimo DriveP.06/AA0/4/0/0/208-480VAC User Manual download pdf (Page 27)

Functiondescription

OperatingManualPMCprotegoS22(C)

1002529EN02

Timingdiagram:

Braking ramp

s, v

Reset

SOS delay time

Tolerance window

Braking ramp

Limit value

Standstill detection

v (t)

s (t)

Tolerance window

Standstill position

SS1 Activate

Ready

STO Acknowledge

SSA Safe Standstill

Acknowledge

SOS

SS2 Activate

Fig.:SafetyfunctionSS2

}

:ActivationofsafetyfunctionSS2

}

:ActivationofsafetyfunctionSOS

}

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

}

Reset:Inputforreset

}

SS2Activate:InputforsafetyfunctionSS2

}

Ready:Outputforoperatingstatusofsafetycardandsecondoutputforfeedbackfrom

safetyfunctionSTO

}

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

}

SSASafeStandstillAcknowledge:Outputforfeedbackfromlimitvaluemonitoring

4.3.4 SafeoperatingstopSOS

Thesafetyfunction"safeoperatingstop"(SOS)monitorsthestandstillpositionthathas

beenreached.AnerrorwillactivatesafetyfunctionSS1(ESTOPbrakingramp).

Featuresofthesafetyfunction:

}

Thedrive’scontrolfunctionsaremaintainedinthestandstillposition.

}

Powertothemotorisnotshutdown.

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Pilz PMCprimo DriveP.06/AA0/4/0/0/208-480VAC User Manual Page 27

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