User's Manual
Digital Monitoring Products XT30/XT50 Installation Guide
10
InstallatIon
Burglary Zones
10.1 Description
OnXT30/XT50panels,terminals12to24arethenineburglaryzones.Forprogrammingpurposes,thezone
numbersare1to9.Thezonecongurationsonterminals12to24aredescribedbelow.
Terminal Function Terminal Function
12 Zone1voltagesensing 19 Groundforzones5&6
13 Groundforzones1&2 20 Zone6voltagesensing
14 Zone2voltagesensing 21 Zone7voltagesensing
15 Zone3voltagesensing 22 Groundforzones7,8,&9
16 Groundforzones3&4 23 Zone8voltagesensing
17 Zone4voltagesensing 24 Zone9voltagesensing
18 Zone 5 voltage sensing
Thevoltagesensingterminalmeasuresthevoltageacrossthe1kOhmEnd-of-Lineresistorandthezone’s
groundterminal.Drycontactsensingdevicescanbeusedinseries(normally-closed)orinparallel
(normally-open)withanyoftheburglaryprotectionzones.
10.2 Operational Parameters
Eachburglaryprotectionzonedetectsthreeconditions:open,normal,andshort.
The parameters for each are listed below:
Condition Resistance on zone Voltage on zone terminal
Open over1300ohms over2.0VDC
Normal 600to1300ohms 1.2to2.0VDC
Short under600ohms under1.2VDC
1K Ohm
Normally
Closed
1K Ohm
Normally Open
1K Ohm
Combination Normally Open
and Normally Closed
Figure 5: Protection Zone Contact Wiring
10.3 Zone Response Time
Aconditionmustbepresentonazonefor500millisecondsbeforeitisdetectedbythepanel.Ensure
detectiondevicesusedontheprotectionzonesareratedforusewiththisdelay.
10.4 Keyswitch Arming Zone
YoucanuseamomentarykeyswitchonazoneprogrammedasanArmingtypeforuseinarmingand
disarming the system without a code.