Operation
OperatingManualPNOZms1p
20967EN11
26
7 Operation
7.1 Messages
Whenthesupplyvoltageisswitchedon,thePNOZmultisafetysystemcopiestheconfigur
ationfromthechipcard.
TheLEDs“POWER”,“DIAG”,“FAULT”,“IFAULT”and“OFAULT”willlightuponthebase
unit.
TheLEDs"POWER","SHAFT1/2","FAULT","X12"and"X22"willlightuponthePNOZ
ms1p.
ThesafetysystemPNOZmultiisreadyforoperationwhenthe"POWER"and"RUN"LEDs
onthebaseunitandthe"POWER"LEDonthePNOZms1parelitcontinuously.
7.2 Displayelements
Legend:
LEDon
LEDflashes
LEDoff
7.2.1 Displayelementsfordevicediagnostics
LED LEDstatus Meaning
POWER Supplyvoltageispresent
FAULT Externalfaultleadingtoasafecondition;thefaultisatthein
crementalencoderinputswhoseLEDsareflashing,e.g.short
acrossthecontacts
Internalfaultleadingtosafecondition
SHAFT1
SHAFT2
Encoderorwiringfault
Axis1and/oraxis2areinthenormalrange(nostandstill,no
overspeed)
Axis1and/oraxis2signallingstandstill
Axis1and/oraxis2signallingoverdrive
X12
X22
IncrementalencodersonterminalsX12and/orX22areconnec
tedcorrectly
I10,I11,
I20,I21
ProximityswitchonterminalI10,I11,I20,I21isenergised