
Operation
OperatingManualPNOZmB0
1002660EN03
24
7 Operation
Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur
ationfromthechipcard.
TheLEDs"POWER","DIAG","FAULT","IFAULT"and"OFAULT"lightuponthebaseunit.
ThePNOZmulticontrolsystemisreadyforoperationwhenthe"POWER"and"RUN"LEDs
onthebaseunitarelitcontinuously.
7.1 LEDmessages
Basis Error
RUN DIAG FAULT IFAULT OFAUL
T
Theexistinguserprogramhasbeendeleted.
Externalerroronthebaseunit,leadingtoa
safecondition,e.g.chipcardnotinserted
Externalerroronthebaseunitoutputs,e.g.
shortacrossthecontacts,leadingtoasafe
condition.
Internalerroronthebaseunit
Internalerroronthebaseunit(inputs)
Internalerroronthebaseunit(outputs)
BaseunitinaSTOPcondition
Externalerroronthebaseunitinputs,which
doesnotleadtoasafecondition,e.g.par
tiallyoperated
Externalerroronthebaseunitoutputs,
whichdoesnotleadtoasafecondition,e.g.
feedbackinputdefective
Thefieldbusmodulehasnotbeenrecog
nised.
or
Thebaseunitwasidentifiedbythe
PNOZmultiConfiguratorviatheEthernetin
terface
or
Anexistingfieldbusconnectionwasinterrup
ted.
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