Keba D3-DA 3 Series - 8.5 Validation of safety functions; 8.6 Validation of STO safety function

D3DA3xx/x Safetyfunctions
ProjectengineeringmanualV1.00
81
©KEBA
Illustration849:STOcontroldircetviasupplymodule
1 ...D3DP3xx/x 2 ...D3DA3xx/x
8.5 Validationofsafetyfunctions
Itisrecommendedtodefinealwaysavalidationplan.Intheplanthetests
andanalysesusedtodemonstratethecomplianceofthesolutionwiththe
requirementsfromtheapplicationaredefined.
8.6 ValidationofSTOsafetyfunction
ThesafetyfunctionSTOistobevalidatedagainstthesafetyrequirements
fromtheapplicationinthefollowingcases:
● Duringcommissioning
● Afterchangesoftheapplication
● Afterrepairordevicereplacement
Thefollowingtableshowstheteststepstobeundertaken.Thetablehasto
beworkedthroughfromtoptobottom.
Description State/Event Expectedresult
Initialstate
● Systemisswitchedon
● Torqueisenabled(STO
inputisactive).
● Drivecontrollergener
atestorque.
Motoraxisisactivelyinmo
tionortorqueispresent.
Teststep1 STOinputbecomesinactive.
Motoraxiscoastsdownor
thereisnotorqueandnoer
rormessageoccures.
Teststep2 STOinputbecomesactive.
Drivecontrollercanapply
torque.