Keba D3-DA 3 Series - Example: STO Without SBC Control Via Safety Control

D3DA3xx/x Safetyfunctions
ProjectengineeringmanualV1.00
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Information
● ShortcircuitsontheOSSDoutputsto24Vanotheroutputsarede
tectedfromthesafetycontrolviadiagnosismeasurementsiftheoutput
testisactivated.Itischangedintosafestate.
● Thefailure"Simultaneousshortcircuitofbothoutputsto24V"mustbe
excludedbysuitablewiring!
8.4.2 Example:STOwithoutSBCcontrolviasafetycontrol
TheD3DA3xx/xsupportsaseparateSTOcontrollingoftheaxes.STO1is
fixassignedtothefirstaxis,thebothotheraxescanbeassignedtoSTO1or
STO2dependingontheDIPswitchsetting.IfsperatedSTOcontrollingis
usedthesafetyfunctionSBCmaynotbeactivated,becauseitisalwaysas
signedtoSTO1.
Illustration847:STOwithoutSBCcontrol
1 ...D3DU3x5/x 2 ...D3DA3xx/x
Caution
ByusageofSTO1andSTO2onanaxismodulethesafetyfunctionSBC
mustbedeactivatedviaDIPswitch,becauseSBCisalwaysreleasedwith
STO1.OtherwisenoSBCisreleasedontherequestedSTO2orSBCwillbe
activatedonallaxeswiththerequestedSTO1,althoughaxis2and3have
noSTO!