
Operation
OperatingManualPNOZmESRS232
1002701EN02
14
7 Operation
7.1 Messages
Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur
ationfromthechipcard.
TheLEDs"POWER","DIAG","FAULT","IFAULT"and"OFAULT"lightuponthebaseunit.
ThesafetysystemPNOZmultiisreadyforoperationwhenthe"POWER"and"RUN"LEDs
onthebaseunitandthe"POWER"LEDonthePNOZmESRS232arelitcontinuously.
7.1.1 Displayelementsfordevicediagnostics
Legend:
LEDon
LEDflashes
LEDoff
LED LEDstatus Meaning
Power Nosupplyvoltage
Green Supplyvoltageispresent
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