
NL-200 Series Controller User’s Manual 3-1
3 Safety
ReadthisbeforeusingtheNL-2XX.Alwaysobservethefollowingsafetyprecautions.Ifindoubt,
contactyourdistributororMicroscanSystems.Thefollowingsymbolsmean:
Warning:readinstructionstounderstandpossiblehazard
Warning:Possiblehazardousvoltage
Warning.Surfacemaygethot
ReadthisbeforeusingtheNL200.Alwaysobservethefollowingsafetyprecautions.Ifindoubt,
contactyourdistributororGardasoftVision.
Wherethesesymbolsappearinthemanual,refertothetextforprecautionstobetaken.
3.1 Heat
TheNL-200candissipateupto10Wandsocangethot.Itshouldbepositionedwherepersonnel
cannotaccidentallytouchitandawayfromammablematerials.
ReadtheMounting(Section4).Donotexceedthepowerratingsgiveninthemanual.Notethatatthe
maximumratingsthecasetemperaturecanreach65°C.
Ensurethatanyventilationholesarenotblocked.Allowfreeowofairaroundtheunit.
3.2 Electrical
The lighting connections can exceed 46.7V but should not exceed 70V. Pulse peak voltages
above 46.7V are considered hazardous. The lighting connections must be shielded from being
touched along the whole length of the cable and in the light.
Theusermustensurethatthepotentialdifferencebetweenanycombinationofinputsignalsdoesnot
exceed46.7V.WARNING:Highervoltagesmaycauseadangertopersonalhealth.
TheNL-200doesnothavecompletetrackingisolationofinputsandoutputs.
TransientscausedbyinductiveloadsmustbesuppressedexternaltotheNL200.
TheNL-200outputshighenergypulses.Caremustbetakentoconnecttheoutputscorrectlyandpro-
tecttheoutputwiringandloadfrominadvertentshort-circuits.Whenswitchedoff,thereisstillenergy
storedintheNL-200forabout15seconds.
3.3 General
TheNL-200mustnotbeusedinanapplicationwhereitsfailurecouldcauseadangertopersonal
healthordamagetootherequipment.
Iftheequipmentisusedinamannernotspeciedbythemanufacturer,theprotectionprovidedbythe
equipmentmaybeimpaired.