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Digital Monitoring Products XR2500F Installation Guide
26
INSTALLATION
XR2500F Installation Guide Digital Monitoring Products
27
INSTALLATION
Protection Zones
20.1 Terminals 13–24
Zones 1 to 8 (terminals 13 to 24) on the XR2500F panel are all grounded burglary zones. For programming
purposes, the zone numbers are 1 through 8. Listed below are terminal 13 to 24 connection functions.
Terminal Function Terminal Function
13 Zone 1 voltage sensing 19 Zone 5 voltage sensing
14 Ground for Zones 1 and 2 20 Ground for Zones 5 and 6
15 Zone 2 voltage sensing 21 Zone 6 voltage sensing
16 Zone 3 voltage sensing 22 Zone 7 voltage sensing
17 Ground for Zones 3 and 4 23 Ground for Zones 7 and 8
18 Zone 4 voltage sensing 24 Zone 8 voltage sensing
Note: Zones 1 through 4 have been pre-wired to the two 866 NAC modules and the 504-24 power supply. All
other zones are available.
The voltage sensing terminal measures the voltage across a 1k Ohm End-of-Line resistor to ground. Use
DMP Model 311 1k Ohm resistors. Dry contact sensing devices can be used in series (normally-closed) or in
parallel (normally-open) with any of the burglary protection zones.
1K Ohm
Normally
Closed
1K Ohm
Normally Open
1K Ohm
Combination Normally Open
and Normally Closed
Figure 12: Protection Zone Wiring
20.2 Operational Parameters
Each protection zone detects three conditions: Open, Normal, and Short. Listed below are voltage and
resistance parameters for each condition:
Condition Resistance on zone Voltage on positive 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
20.3 Zone Response Time
A condition must be present on a zone for 500 milliseconds before it is detected by the XR2500F panel.
Ensure detection devices used on the protection zones are rated for use with this delay. Zones 1-10 can also
be programmed for a fast response delay of 160 milliseconds.
20.4 Keyswitch Arming Zone
Using a keyswitch on an Arming type zone allows you to arm and disarm selected areas without having to
enter a user code.