Pilz PNOZ c1 24VDC 3n/o 1n/c Manual de usuario descargar pdf (Pagina 7)

PNOZc1

OperatingManualPNOZc1

22197EN02

Installation

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TheunitshouldbeinstalledinacontrolcabinetwithaprotectiontypeofatleastIP54.

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UsethenotchontherearoftheunittoattachittoaDINrail.

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EnsuretheunitismountedsecurelyonaverticalDINrail(35mm)byusingafixingele

ment(e.g.retainingbracketoranendangle).

Wiring

Pleasenote:

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Informationgiveninthe"Technicaldetails"mustbefollowed.

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Outputs1314,2324,3334aresafetycontacts;output4142isanauxiliarycontact

(e.g.fordisplay).

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Auxiliarycontact4142shouldnotbeusedforsafetycircuits!

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Topreventcontactwelding,afuseshouldbeconnectedbeforetheoutputcontacts(see

technicaldetails).

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Calculationofthemax.cablerunsl

max

intheinputcircuit:

lmax

/ km

max

lmax

=max.overallcableresistance(seeTechnicaldetails)

/km=cableresistance/km

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Usecopperwirewithatemperaturestabilityof60/75°C.

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Sufficientfuseprotectionmustbeprovidedonalloutputcontactswithcapacitiveandin

ductiveloads.

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Whenconnectingmagneticallyoperated,reedproximityswitches,ensurethatthemax.

peakinrushcurrent(ontheinputcircuit)doesnotoverloadtheproximityswitch.

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Thepowersupplymustcomplywiththeregulationsforextralowvoltageswithprotect

iveelectricalseparation(SELV,PELV)inaccordancewithVDE0100,Part410.

Importantfordetectionofshortsacrosscontacts:

Asthisfunctionfordetectingshortsacrosscontactsisnotfailsafe,itistestedbyPilzduring

thefinalcontrolcheck.Ifthereisadangerofexceedingthecableruns,werecommendthe

followingtestaftertheinstallationofthedevice:

1. Unitreadyforoperation(outputcontactsclosed)

2. ShortcircuitthetestterminalsS12,S22fordetectingshortsacrosstheinputs.

3. Theunit'sfusemustbetriggeredandtheoutputcontactsmustopen.Cablelengthsin

thescaleofthemaximumlengthcandelaythefusetriggeringforupto2minutes.

4. Resetthefuse:removetheshortcircuitandswitchoffthesupplyvoltageforapprox.1

minute.

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