Safety
OperatingManualPNOZms1p
20967EN11
10
CAUTION!
IftherearefrequencydifferencesbetweentracksAandBoftheincre
mentalencoderand/orbetweentheproximityswitchesoninputsI10(I20)
andI11(I21),thePNOZmultiswitchestoasafeconditionifafrequencyex
ceedstheconfiguredstandstillfrequency.Ifthespeedmonitordetectsdif
ferentrotationdirections,notethefollowing:
– Withversion1.XdevicesthePNOZmultichangestoSTOP.
– Withdevicesfromversion2.0,theaxisinquestionswitchestoasafe
condition.Thesafeconditionisclearedagainassoonastheerroris
remedied.Hazardsthatcanarisethroughanautomaticrestartmust
beexcludedwithintheuserprogram.
3.2 Systemrequirements
Pleaserefertothe"ProductModifications"documentinthe"Versionoverview"sectionfor
detailsofwhichversionsofthebaseunitandPNOZmultiConfiguratorcanbeusedforthis
product.
3.3 Safetyregulations
3.3.1 Safetyassessment
Beforeusingaunititisnecessarytoperformasafetyassessmentinaccordancewiththe
MachineryDirective.
Functionalsafetyisguaranteedfortheproductasasinglecomponent.However,thisdoes
notguaranteethefunctionalsafetyoftheoverallplant/machine.Inordertoachievethere
quiredsafetylevelfortheoverallplant/machine,definethesafetyrequirementsforthe
plant/machineandthendefinehowthesemustbeimplementedfromatechnicalandorgan
isationalstandpoint.
3.3.2 Useofqualifiedpersonnel
Theproductsmayonlybeassembled,installed,programmed,commissioned,operated,
maintainedanddecommissionedbycompetentpersons.
Acompetentpersonissomeonewho,becauseoftheirtraining,experienceandcurrentpro
fessionalactivity,hasthespecialistknowledgerequiredtotest,assessandoperatethe
workequipment,devices,systems,plantandmachineryinaccordancewiththegeneral
standardsandguidelinesforsafetytechnology.
Itisthecompany’sresponsibilityonlytoemploypersonnelwho:
} Arefamiliarwiththebasicregulationsconcerninghealthandsafety/accidentpreven
tion
} Havereadandunderstoodtheinformationprovidedinthisdescriptionunder"Safety"
} Andhaveagoodknowledgeofthegenericandspecialiststandardsapplicabletothe
specificapplication.