Keba D3-DA 3 Series - Example: STO and SBC Control Via Light Grid; Example: STO and SBC Control Directly Via Supply Module

D3DA3xx/xSafetyfunctions
ProjectengineeringmanualV1.00
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8.4.3 Example:STOandSBCcontrolvialightgrid
ThecontrolofSTO1isdoneviaasafetylightgridwithOSSDoutputs.The
resetbuttonreleasesafterleavingthedangerarea(start/restartinterlock)
Illustration848:STOcontrolvialightgrid
1 ...Lightgrid 2 ...D3DA3xx/x
Information
● ShortcircuitsontheOSSDoutputsto24Vanotheroutputsmustbe
detectedfromthelightgridviadiagnosismeasurementsandthen
changedintosafestate.
● Thefailure"Simultaneousshortcircuitofbothoutputsto24V"mustbe
excludedbysuitablewiring!
8.4.4 Example:STOandSBCcontroldirectlyviasupplymodule
ItisforexamplepossibletocontrolthesafetyfunctionsSTOandSBCvia
safetydoor,withoutusingthesafetycontrol.Thereforethedoorswitchmust
besuppliedviatestoutputsoftheD3DP3xx/x(torecognizecrosscircuitsin
theinputcircuit).Thecrosscircuittestmustbeconfiguredsuitableviathe
DIPswitch.
Information
Itisrecommendedtouseasafetycontrolandusepreferedoneofthe
abovementionedconnectionexamples!