
Operation
OperatingManualPNOZmEFPDPLink
1003019EN02
19
7 Operation
Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur
ationfromthechipcard.
TheLEDs"POWER","DIAG","FAULT","IFAULT"and"OFAULT"lightuponthebaseunit.
ThePNOZmultisafetysystemisreadyforoperationwhenthe"POWER"and"RUN"LEDs
onthebaseunitandthe"READY"LEDonthePNOZmEFPDPLinkarelitcontinuously.
7.1 Messages
Legend:
LEDon
LEDflashes
LEDoff
LED LEDstatus Meaning
Power Nosupplyvoltage
Gree
n
Supplyvoltageispresent
Ready Gree
n
Theunitisreadyforoperation
Theunitisnotreadyforoperation
Fault Red Externalerror
Red Internalerror
Nofault
Traffic Yel
low
Connectiontoadecentralisedmoduleavail
able
Yel
low
Connectionisnotavailabletoalldecentralised
modules.
Noconnectiontoadecentralisedmodule
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