Appendix

Appendix

23.1False Alarm Reduction

System Recently Armed report

The System Recently Armed report (S78) is sent to the receiver when a burglary zone goes into alarm within two minutes of the system being armed.

23.2Diagnostics function

The XR500 Series Canadian panel contains a Diagnostics function that allows you to test the communication integrity of the LX-Bus™, identify individual zones, and also display the present electrical state of any zone. The Diagnostics function also allows you to test the integrity of the cellular communication, cellular signal, and email communication. To use Diagnostics, reset the panel, enter the Diagnostics code 2313 (DIAG), and press COMMAND.

Test LX-Bus

The first Diagnostic function you displayed is: TEST LX-BUS. This function allows you to test the ability of the 481, 462N, 462P, 462FM, and 472 Interface Cards to communicate with zone and output expander modules connected to their LX-Bus circuits.

To continue, press any top row Select key. The keypad displays LX-BUS:. Using the digit keys, enter the

LX-Bus number, 1 to 5, to test that LX-Bus circuit. The keypad now displays ADDRESS: - . Enter a 2‑digit LX-Bus device address and press COMMAND. When testing LX-Bus devices, enter only the addresses to which the modules have been set.

Important Note: A device address is not the same as a zone number. If you are testing 714 or 715 Zone Expander Modules, which each contain four zones, the device address is the first zone number. When the panel polls a 714 on the LX-Bus, it recognizes it as a four zone device and does not poll the remaining three zones. The 714 module internally polls the remaining zones and transmits any status changes to the panel. This greatly reduces the amount of time it takes the panel to poll all LX-Bus devices.

The keypad next displays TESTING . . . STOP during the device testing. At any time, you can Select STOP to end polling. The panel records the number of no responses from the device. If all polls are received back by the panel correctly, the keypad displays 00000/65535 FAIL.

If one or more polling attempts fail, the keypad displays * * * * */65535 FAIL with the * representing the number of failed polling attempts. A display of 65535/65535 FAIL indicates a problem with the interface card or its LX-Bus wiring such as a bad or broken wire, harness not properly connected, or excessive noise or distance. It can also mean that a zone number was entered that did not match a device address. Press the Back Arrow key to enter a new device address or press COMMAND to exit the TEST LX-BUS.

Zone Finder

The second Diagnostic function is the Zone Finder. Press COMMAND to display ZONE FINDER. This function allows you to identify individual zones on devices connected to the LX-Bus of an interface card, the panel, or any zones on the keypad data bus. To use ZONE FINDER, press any top row Select key. The display changes to FAULT ZONE. The next zone on the system that changes from a normal to an open or shorted state is displayed as ZONE NO: * * *. To continue, press the Back Arrow key.

Zone State

Press the COMMAND to display the third Diagnostic function: ZONE STATE. This function allows you to enter any zone number and check its current electrical state (Normal, Open, or Shorted). Press any Select key. The display changes to ZONE NUMBER: _ . Enter in the zone number you want to check and press COMMAND. The panel displays the current state of the zone as NRML (normal), OPEN, or SHORT.

LX-Bus Status

The fourth Diagnostic function is the LX-BUS STATUS. This function allows the panel to poll all devices connected to the LX-Bus of an interface card and check for any Overlapped, Missing, or Extra addresses. Below is a description of each status item:

Overlap - An overlap occurs when one device address is the same as any of the last three zones on another 714 or 715. The overlap feature cannot determine when two devices have the same address.

Example: Model 714 Address 00 = Zones 500 501 502 503, and the Model 711 Address 02 = Zone 502. Zone 502 would report as an Overlap because both the 714 and 711 have devices set to 502.

Missing - A missing occurs when a zone between 500 and 999 has been programmed in ZONE INFORMATION and no device with that zone address has been installed on the LX-Bus. To correct the problem, check your zone programming and zone expansion module addressing.

Extra - A device is installed on the LX-Bus but none of its zones are programmed into the system.

Digital Monitoring Products

XR500 Series Canadian Programming Guide

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DMP Electronics XR500 manual Appendix, False Alarm Reduction, Diagnostics function
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XR500 specifications

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