User's Manual

Table Of Contents
XT30/XT50 Installation Guide Digital Monitoring Products
11
InstallatIon
8.9 Overcurrent OVC LED
TheOvercurrentLED(OVC)lightsRedwhenthedevices
connectedtotheKeypadBusdrawmorecurrentthanthe
auxiliaryoutputrating.TheOVCLEDislocatedabove
terminals9and10asshowninFigure4.WhentheOVCLED
lightsRed,theKeypadbus/auxiliarypower(terminal7)and
theProgrammingheader(J8)shutdown.
Smoke and Glassbreak Detector Output
9.1 Terminal 11
Nominal12VDCat100mAmaximum(sharedbyterminal25)
issuppliedatterminal11topower4-wiresmokedetectorsor
other auxiliary powered devices. This output can be turned
off by the user for 5 seconds using the Sensor Reset option
intheUserMenu.Terminal10isthegroundreferencefor
terminal 11.
Burglary Zones
10.1 Description
OnXT30/XT50panels,terminals12to24arethenineburglaryzones.Forprogrammingpurposes,thezone
numbersare1to9.Thezonecongurationsonterminals12to24aredescribedbelow.
Terminal Function Terminal Function
12 Zone1voltagesensing 19 Groundforzones5&6
13 Groundforzones1&2 20 Zone6voltagesensing
14 Zone2voltagesensing 21 Zone7voltagesensing
15 Zone3voltagesensing 22 Groundforzones7,8,&9
16 Groundforzones3&4 23 Zone8voltagesensing
17 Zone4voltagesensing 24 Zone9voltagesensing
18 Zone 5 voltage sensing
Thevoltagesensingterminalmeasuresthevoltageacrossthe1kOhmEnd-of-Lineresistorandthezone’s
groundterminal.Drycontactsensingdevicescanbeusedinseries(normally-closed)orinparallel(normally-
open)withanyoftheburglaryprotectionzones.
10.2 Operational Parameters
Eachburglaryprotectionzonedetectsthreeconditions:open,normal,andshort.
The parameters for each are listed below:
Condition Resistance on zone Voltage on zone terminal
Open over1300ohms over2.0VDC
Normal 600to1300ohms 1.2to2.0VDC
Short under600ohms under1.2VDC
J3
Phone Line
J7 RJ
Supervision
OVC LED
Power
LED
Figure 5: OVC LED location
1K Ohm
Normally
Closed
1K Ohm
Normally Open
1K Ohm
Combination Normally Open
and Normally Closed
Figure 6: Protection Zone Contact Wiring