
Safety
OperatingManualPNOZmmc4p
1002424EN02 8
3 Safety
3.1 Intendeduse
TheexpansionmodulePNOZmmc4pisusedforcommunicationbetweentheconfigurable
controlsystemPNOZmultiMiniandDeviceNet.
DeviceNetisdesignedforfastdataexchangeatfieldlevel.TheexpansionmodulePNOZ
mmc4pisapassiveDeviceNetsubscriber(Slave).Thebasiccommunicationfunctionswith
DeviceNetmeettherequirementsoftheDeviceNetspecification,Release2.0.Thecentral
controller(master)readsinputinformationfromtheslavesandwritesoutputinformationto
theslavesaspartofeachcycle.Aswellasthecyclicaltransferofusabledata,theexpan
sionmodulePNOZmmc4pcanalsobeusedfordiagnosticandcommissioningfunctions.
DatatrafficismonitoredontheMaster/Slaveside.
Theexpansionmodulemayonlybeconnectedtoabaseunitfromtheconfigurablecontrol
systemPNOZmultiMini(pleaserefertothedocument"PNOZmultiSystemExpansion"for
detailsofthebaseunitsthatcanbeconnected).
TheconfigurablecontrolsystemPNOZmultiMiniisusedforthesafetyrelatedinterruption
ofsafetycircuitsandisdesignedforusein:
}ESTOPequipment
}SafetycircuitsinaccordancewithVDE0113Part1andEN602041
Theexpansionmodulemaynotbeusedforsafetyrelatedfunctions.
IntendeduseincludesmakingtheelectricalinstallationEMCcompliant.Theproductisde
signedforuseinanindustrialenvironment.Itisnotsuitableforuseinadomesticenviron
ment,asthiscanleadtointerference.
Thefollowingisdeemedimproperuseinparticular:
}Anycomponent,technicalorelectricalmodificationtotheproduct
}Useoftheproductoutsidetheareasdescribedinthismanual
}Useoftheproductoutsidethetechnicaldetails(seechapterentitled“TechnicalDe
tails”)
3.2 Systemrequirements
Pleaserefertothe"ProductModifications"documentinthe"Versionoverview"sectionfor
detailsofwhichversionsofthebaseunitandPNOZmultiConfiguratorcanbeusedforthis
product.
3.3 Safetyregulations
3.3.1 Useofqualifiedpersonnel
Theproductsmayonlybeassembled,installed,programmed,commissioned,operated,
maintainedanddecommissionedbycompetentpersons.
Acompetentpersonissomeonewho,becauseoftheirtraining,experienceandcurrentpro
fessionalactivity,hasthespecialistknowledgerequiredtotest,assessandoperatethe
workequipment,devices,systems,plantandmachineryinaccordancewiththegeneral
standardsandguidelinesforsafetytechnology.