Qtech-data-systems Wireless Point to Point (WP2P) - Digital & Ana Instrukcja Użytkownika Pobierz pdf (Strona 5)

WirelessPointtoPoint-DIGITAL&ANALOGUE-QuickStartGuide–v1.1–June2013 5

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 www.qtech.co.nz Tel:033663713

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OverVoltageProtection

TheWP2Pmoduleisovervoltageprotectedbya13voltZenerDiode‘crowbar’thatwill

conductandblowtheinternalfuseforvoltages>14volts.TheWP2Pwilltolerate13.8volts,

butwillbegintodrawexcessivecurrentandblowthefuseatinputvoltages>14.6V.

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Note–SolarSuppliesanddesignconsiderations

BeforeusinganyWP2Pmoduleinasolarpoweredsystempleasecheckour“Solar

ApplicationNote”onourwebsite.Explicitconsiderationmustbegiventothe

maximumvoltageandvoltageregulationtopreventdamage.

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Installation and Operation Notes

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OutputRelays

Theoutputrelays(LabelledRLY1andRLY2)arenormallyopencontactsthatareratedat

maximumof2Amps.Therelaysareinternallyprotectedbysolidstatesnubbersforoperating

withinductiveloads.

Warning–Donotdirectlyconnectto220VACvoltage.TheNewZealandand

Australianwiringregulationsrequirethatanywiringinexcessof32voltsmustbe

carriedout,orbecertifiedbyaregisteredelectrician.Consultyourlocalelectrical

installerforfurtherguidance.

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SwitchedInputs

Theinputs(LabelledINP1andINP2)areelectricallyisolated,normallyopeninputs.Theyare

connectedtosuitablemechanicalswitches,contactsandotherclosuredevices.Aninputis

activeorONwhentheinputswitchisclosedandinactiveorOFFwhentheinputswitchis

open.

Warning–Onlymechanicalswitchesormechanicalclosuredevicesshouldbe

connectedtotheinputs.Noexternalvoltageorotherelectricalsourceistobe

connectedtotheinputs.

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Antenna

TheWP2PisalowpowerdevicethatisdesignedspecificallyforoperationinNewZealand

andAustralia.EachWP2Pissuppliedwithastubantennathatwillprovideanoperating

rangeof50to350meters,dependentuponterrainandobstaclessuchastreesandbuildings.

Allradiosystemsworkmostreliablywhenthepathbetweentheradiosisclear“lineofsight”.

Thisneedstobeconsideredwhenplanninglongerrangesystems.

Optionalhighergain,longrangeantennasareavailable.Pleasecontactyourequipment

supplierfordetailsandadvice.

Warning–DonotoperatetheWP2Pwithoutanantennaattached.Donot

substituteantennas;useonlythoseantennasrecommendedbyyourequipment

supplier.FailingtocomplywiththeserequirementscandamagetheWP2P.

NeveroperatethedevicesinviolationofRSMconditions.AS/NZS4268:2008specifies

amaximumEIRPof1watt.

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Mounting

TheWP2PshouldbemountedontoaflatsurfaceusingtheQty4xM4fixingholesat

~102mmx50mmcentres.WheretheWP2Pistobeoperatedoutsideorinotheradversesite

conditions,then,theWP2Pshouldbehousedinanappropriateplasticenclosure.

Note–IftheWP2Pistobeenclosedinametalcabinetthenanoptionalexternal

antennawillbeneeded.Pleasecontactyourequipmentsupplierforalternative

antennadetailsandadvice.

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Adjustments&Settings

Therearenousersettingsoradjustmentsrequired.

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