Digital Monitoring Products 7073 Guide d'installation télécharger pdf (Page 15)

Digital Monitoring Products XT30/XT50 Installation Guide

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

Phone Line

J7 RJ

Supervision

OVC LED

Power

LED

Figure 4: OVC LED location

1K Ohm

Normally

Closed

1K Ohm

Normally Open

1K Ohm

Combination Normally Open

and Normally Closed

Figure 5: Protection Zone Contact Wiring

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 27 28

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