Keba D3-DA 3 Series - 8.2 SBC (Safe Brake Control)

D3DA3xx/xSafetyfunctions
ProjectengineeringmanualV1.00
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©KEBA
Settings Description Function affectto
Separateswitchingofall
existingaxis
STO1:
Axis1
STO2:
Axis2
*)
Axis3
*)
*)
Ifaxisexits
Information
AllothercombinationsontheDIPswitchareinvalidandleadatthelatest
ondemandofsafetyfunction(e.g.validatingofsafetyfunction)toanerror
messageandthesystemchangesintosafestate.
8.2 SBC(SafeBrakeControl)
ThefunctionSBCisusedforsafeofcontrollingaholdingbrake.Aholding
brake,whichisactiveintheunpoweredstate,isoperatedandmonitoredus
ingtwochanneltechnology.DependingonthepreselectionoftheDIP
switch(SADR)theSBCwillbeautomaticallyactivatedincaseofrelease
parallelywithSTO1.ThefunctionSBCalwayseffectstoallbrakeoutputsof
theaxismodule.
ThefunctionSBCisusedinconjunctionwiththefunctionsSTOtoprevent
themovementofanaxisinthetorquefreestate,e.g.duetogravity.
Theaxismodulesupportsthesafetyfunction”SBC”(safebrakecontrol),ac
cordingtotherequirementsofEN6180052,EN,ENISO138491„PLd“
category3andEN61508/EN62061„SIL2“.Youwillfindthesafetyrelated
characteristicsinchapter„TechnicalData“.TheSBCshutdowntakesplace
within3ms.