
Operation
OperatingManualPNOZmESCANopen
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7 Operation
7.1 Messages
Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur
ationfromthechipcard.
TheLEDs"POWER","DIAG","FAULT","IFAULT"and"OFAULT"lightuponthebaseunit.
TheexpansionmodulePNOZmESCANopenisconfiguredandstartedautomatically.The
LEDs“RUN”and“ERR”displaythestatusofthePNOZmESCANopenonCANopen.
IftheexpansionmodulePNOZmESCANopendoesnotreceiveaconfigurationfromthe
baseunitforaperiodof30s,theexpansionmodulePNOZmESCANopenconnectsto
CANopenand"RUN"statusisdisplayedonCANopen.Theerrormessage"ExternalError"
issenttotheMaster.
7.1.1 Displayelementsfordevicediagnostics
LEDoff
LEDflashes
LEDflashesonce
LEDflashestwice
LEDflashesthreetimes
LEDon
LED Key
PWR Supplyvoltageispresent
Supplyvoltageisnotpresent
RUN PNOZmESCANopenIn"Operational"status
PNOZmESCANopenIn"Stopped"status
PNOZmESCANopenIn"PreOperational"status
Nosupplyvoltageormoduleerrordetected
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