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Operation

OperatingManualPNOZmB0

1002660EN03

7 Operation

Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur

ationfromthechipcard.

TheLEDs"POWER","DIAG","FAULT","IFAULT"and"OFAULT"lightuponthebaseunit.

ThePNOZmulticontrolsystemisreadyforoperationwhenthe"POWER"and"RUN"LEDs

onthebaseunitarelitcontinuously.

7.1 LEDmessages

Basis Error

RUN DIAG FAULT IFAULT OFAUL

Theexistinguserprogramhasbeendeleted.

Externalerroronthebaseunit,leadingtoa

safecondition,e.g.chipcardnotinserted

Externalerroronthebaseunitoutputs,e.g.

shortacrossthecontacts,leadingtoasafe

condition.

Internalerroronthebaseunit

Internalerroronthebaseunit(inputs)

Internalerroronthebaseunit(outputs)

BaseunitinaSTOPcondition

Externalerroronthebaseunitinputs,which

doesnotleadtoasafecondition,e.g.par

tiallyoperated

Externalerroronthebaseunitoutputs,

whichdoesnotleadtoasafecondition,e.g.

feedbackinputdefective

Thefieldbusmodulehasnotbeenrecog

nised.

Thebaseunitwasidentifiedbythe

PNOZmultiConfiguratorviatheEthernetin

terface

Anexistingfieldbusconnectionwasinterrup

ted.

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