Pilz PSSu H PLC1 FS DP SN SD User Manual download pdf (Page 13)

Functiondescription

OperatingManualPSSuHPLC1FSDPSNSD

1001776EN04

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TheSDcardispartofthesafetyconceptonPSS4000.IftheSDcardismissingorhas

beenswapped,thenexttimethePSSusystemisbooteditwillbeunabletoachievethe

operatingstatus"PSSuSysteminRUNconditionwithouterror".TheSDcardhasa

lockingmechanism,whichprotectsitfrombeingremovedfromthecardholderuninten

tionally.TheSDcardcanalsobesealedtoprotectitfrommanipulation,whetheracci

dentalorintentional.

SealingtheSDcardforadditionalprotection:

4.1.5 Resetbutton

The"Reset"buttonontheheadmodulehasvariousfunctions:

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PerformawarmresetforthePSSusystem

TheresetbuttoncanbeusedtoperformawarmresetforthePSSusystem.

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Transferthenamingdataand/ordeviceprojectfromtheSDcard(deliberateoperator

actiontotransferthenamingdataand/ordeviceprojectfromtheSDcardtothedevice

memory).

INFORMATION

Thewarmresetandthetransferofthenamingdataand/ordeviceproject

aredescribedinthe"PSS4000SystemDescription".Thisisalsowherethe

generaleffectsonthePSSusystemaredescribedindetail.

4.2 SafetyNETp

4.2.1 ConnectiontoSafetyNETp

Functions

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TheSafetyNETpinterfaceenablessafetyrelatedandnonsafetyrelateddatatransfer

betweenthePSSusystemandothernetworksubscribers.

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Theheadmodulereceivessignalsfromothernetworksubscribers;itprocessesthese

signalsintheuserprogramandpassesthemontotheconnectedinput/outputmod

ules.

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Theheadmodulereceivessignalsfromtheconnectedinput/outputmodules;itpro

cessesthesesignalsintheuserprogramandpassesthemontotheothernetworksub

scribers.

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Ifafaultoccurs,themoduleswitchestheconnectedfailsafeoutputstoasafecondition.

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Pilz PSSu H PLC1 FS DP SN SD User Manual Page 13