Beckhoff CX2020 Manuel d'utilisateur télécharger pdf (Page 21)

Mountingandwiring

3.3 Installationonthemountingrail

Snappingontothemountingrail

TheCX20x0cansimplybesnappedontothemountingrail.Thebarclipsareinsertedonthetopsideand

undersideThensimplypositiontheblockonthemountingrailandpushitslightlyuntilitengagesonthe

righthandside.Thisisindicatedbyadistinctclick.Thebarsarethenengagedagain.Theengagementof

theindividualbarsisindicatedbyadistinctclick.

Attention

Avoiddamage!

Donotforcethemoduleorapplyexcessivepressure!

Installationposition

Attention

Complywiththepermittedinstallationpositionandminimumdistances!

ThemaximumambienttemperatureforCPUmodulesmountedonaDINrailis60°C.The

orientationinwhichthedeviceisfittedmustbeselectedinsuchawaythatcoolingaircan

flowverticallythroughtheventilationholes.Theimagesbelowshowthepermittedandtwo

incorrectinstallationpositions.Mountingmustprovideaclearanceof30mmbothabove

andbelowaCX20x0devicecombinationtoensureadequateventilationofthebaseCPU

moduleandthepowersupplyunit.

Correctinstallationposition

ThehighperformanceandthecompactdesignoftheCX20x0systemsmayresultinincreasedheat

generation.Theheatisdissipatedviaapassiveventilationsystem.Thissystemrequirestheunittobe

mountedcorrectly.Ventilationopeningsarelocatedatthetopandbottomofthehousing.Thesystem

thereforehastobeinstalledhorizontally.Thisensuresoptimumairflow.

CX2020,CX2030,CX2040 21Version1.2

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Beckhoff CX2020 Manuel d'utilisateur Page 21