XT30/XT50 Installation Guide Digital Monitoring Products
9
INSTALLATION
Bell Output
7.1 Terminals 5 and 6
Nominal 12VDC is supplied by terminal 5 on the panel to power alarm bells or horns. The output is rated for
a maximum of 1.5 Amps with a 40 VA transformer. This output can be steady, pulsed, or Temporal Code 3
depending upon the Bell Action specied in Output Options programming. Terminal 6 is the ground reference
for the bell circuit. If using a horn or siren, a 1k 0hm resister should be added across the bell circuit for
supervision.
Keypad Data Bus
8.1 Description
Terminals 7, 8, 9, and 10 of the panel are designated as the keypad data bus. In addition to keypads, the
XT30/XT50 allows the connection of any combination of zone expansion modules, Glassbreak Detectors, and
PIRs to the keypad bus up to the maximum of eight devices.
8.2 Terminal 7 - RED
Nominal 12VDC is supplied at terminal 7 to power keypads and zone expanders. This is also where power
for any auxiliary device is supplied. The ground reference for terminal 7 is terminal 10. The maximum output
is rated at 500mA. All auxiliary devices totaled together must not exceed the Terminal 7 maximum current
rating of 500mA. When the number of keypads or other expansion devices attached exceeds the amount of
output current available, attach an external power supply as dened in the Model 710 Installation Sheet
(LT-0310).
8.3 Terminal 8 - YELLOW
Data receive from keypads and zone expanders.
8.4 Terminal 9 - GREEN
Data transmit to keypads and zone expanders.
8.5 Terminal 10 - BLACK
Terminal 10 is the ground reference for LCD keypads, zone expanders, and any auxiliary devices being
powered by terminals 7 and 11.
8.6 Keypad Bus LEDs
The two LEDs located just above terminal 13 indicate keypad transmit data (XMIT) and keypad receive data
(RCV). The bottom LED ashes green to indicate data being transmitted from the panel. The top LED ashes
yellow to indicate data being received by the panel from keypads, zone expanders, etc.
8.7 Programming (PROG) Connection
A locking 4-pin PROG header is provided to connect a keypad when using a DMP Model 330 Programming
Cable. This provides a quick and easy connection for programming the panel.
8.8 Keypad Addressing
Keypad Bus expansion zones are numbered in groups of four corresponding to the address. Example: address
1 is zones 11-14 and address 5 is zones 51-54. There are a maximum of 32 zones possible on the Keypad Bus.
All keypad zones terminate with a 1k 0hm EOL resister.
Address XT30/XT50
Zone Number
1 11-14
2 21-24
3 31-34
4 41-44
5 51-54
6 61-64
7 71-74
8 81-84
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