User guide

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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