Owner's manual

QTechMultiPointControllerforWP2P-QuickStartGuide–v1–August2012  8
 
www.qtech.co.nz Tel:033663713
InputsandOutputs–MultiPointController
DigitalInputs
The digital inputs are normally open inputs that can be 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.
ThedigitalinputLEDoftheMultiPointControllerwilllightupwhentheinputisON,
howevertheoutputstatusLEDwillfollowtherulesappliedintheI/Olinkeditor.
 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.
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DigitalOutputs
The digital outputs are solid state devices designed to interface to a low power
relays. When an output is on, it will be connected to the power supply negative,
allowing current to flow into the output terminal to ground.
When in the OFF state, they have a high impedance to
ground and will float up to the power supply positive. The
digitaloutputLEDwilllightupwhentheoutputisON.

Touseadigitaloutputwitharelay,wireasshowninthe
diagramopposite.


AnalogueInputsandOutputs
Theanalogueinputsand outputson theControllerare notusedforcommunicating
withWP2Pmodules.Donotconnectanysignalstotheanalogueinputsoroutputs.

InputsandOutputs–WP2PModules
DigitalInputs
Theinputs(LabelledINP1,INP2andINP3)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.

DigitalOutputs-Relays
Theoutputrelays(LabelledRLY1,RLY2andRLY3)arenormallyopencontactsthat
areratedatmaximumof2Amps.Therelaysareinternallyprotectedbysolidstate
snubbersforoperatingwithinductiveloads.
Warning–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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