Beckhoff CX2020 User Manual download pdf (Page 36)

Commissioning/Configuration

Note

ThesupplementonlysupportsCABLEREDUNDANCY

Thissupplementonlysupportscableredundancy.Thismeansthatfailsafetyexistsonlyfor

thecablesections.Thatmeanstheconnectionsbetweenthecouplers.Failuresofindivid

ualterminalsarenotcovered.FurtherdetailscanbefoundintheBeckhoffInformationSys

temunderEtherCATcableredundancy.

Casesoffailure

Thetwopossiblefailuresaredescribedintheexamplebelow.

InthisexamplethesupplylineforcouplerEK1100isfaulty.TheEK1100terminalscontinuetorundespite

thecablefailure.TheSystemManagerindicatesthefailureasfollows:

CX2020,CX2030,CX204036 Version1.2

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Beckhoff CX2020 User Manual Page 36