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2.3 Balancing

Side view

0 2 4 6 8 10 12 14 16

2.2

2.5



2.3 Balancing

Thealarmsignalsandtamper(ontheline,forcedopeningorremovalofthedevice)mustbesignaledtothe

controlpanelthroughtheconnectionswiththeavailableterminals.

Inadditiontothis,thealarmandlinetampersignalscanbecommunicatedwiththeuseofappropriatebal-

ancing,inordertobeabletouseasinglecontrolpanelinput(inthegraphsbelow,indicatedby‘Tx’).

Thewiringandrespectivebalancingmethoddependonthetypeofdetectoryouareinstalling,andthelevel

ofprotectionyouwishtoachieve.

Thedetectorscanbepoweredthrough:

l

terminals[+AUX/12V]and[-/GND]onthecontrolpanel

l

terminals[+AUX/12V]and[-/GND]onexpansions

l

terminal[+/12V]andterminals[-/GND]onkeypads

l

fromany12VancillarysourceonconditionthatitsGNDreferenceisincommonwiththatofthecon-

trolpanel.

2.3.1 N.C./N.O.

InthecaseofN.C.(normallyclosed)balancing,itispossibletodetect2distinctconditionsonthezone:

l

stand-by(0Ohm)

l

alarm(opencircuit)

Ifyouwantthedetectortosignaltamperevents,itisnecessarytoconnectthe‘Tamper’terminaltoa‘24h’

zoneonthecontrolpanel.

QTech XLINE Series User Manual

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