Safety
OperatingManualPNOZms1p
20967EN11
9
3 Safety
3.1 Intendeduse
Theexpansionmodulemonitorsstandstill,speedanddirectionofrotationinaccordance
withENISO138491uptoPLeandENIEC62061uptoSILCL3.
Theexpansionmodulemayonlybeconnectedtoabaseunitfromtheconfigurablecontrol
systemPNOZmulti(pleaserefertothedocument"PNOZmultiSystemExpansion"forde
tailsofthebaseunitsthatcanbeconnected)
TheconfigurablecontrolsystemPNOZmultiisusedforthesafetyrelatedinterruptionof
safetycircuitsandisdesignedforusein:
} ESTOPequipment
} SafetycircuitsinaccordancewithVDE0113Part1andEN602041
WARNING!
Usersmusttakeappropriatemeasurestodetectorexcludeerrors(e.g.slip
pageorbrokenshearpin)whichcausethefrequencyoftheencodersignal
tonolongerbeproportionaltothemonitoredspeed.
Appropriatemeasuresare:
– Usingthemonitoredencodertoalsocontrolthedrive
– Mechanicalsolutions
– Monitoringforbrokenshearpinbymeansofthespeedmonitor
WARNING!
Asinglechannelopencircuit/inputdeviceerrorisrecognisedandleadstoa
safeconditionoftheoutputsattherelevantaxis.
ForapplicationsinaccordancewithPLeandSILCL3,the"Overspeed"
outputmustbeintegratedintothesafetyfunctionineveryoperatingmode
andevaluatedsothatashutdownoccursiftheoutputswitchestoasafe
condition("Overspeed"output="0").