38 Installation
Anti-intrusion control panels
3-2-7
Alien/G power supply
The Alien/G can be powered via three different sources, which can be used, therefore
connected, individually or simultaneously.
MAINS POWER
SUPPLY 230V
~
50HZ
The mains supply requires the use of a power supply (Table 3-4: Alien/G - mounting
possibilities, B) and a separate line from the mains box. The line must be protected by a
safety-standards compliant circuit breaker (trip switch).
The protective earthing system must be compliant with all safety standards and laws in force.
Connect the power supply (already connected to the mains) to terminals “+ 14V” and “- 14V”
on the PCB, taking care to respect the correct polarity of the wires. The power supply provides
power to the Alien/G and the devices connected to terminal “+” of the BUS and also recharges
the backup battery.
I-BUS
The I-BUS line for the direct connection to a Prime control panel also supplies a 12V current
through the I-BUS connection terminals “+” and “-” on the PCB. This current provides power
to the Alien/G and the devices connected to terminal “+” of the BUS and also recharges the
backup battery.
BACKUP BATTERY
The backup battery connection (Table 3-4: Alien/G - mounting possibilities, C) must be done
using the connector on the PCB and the wire with a faston terminal at each end (included).
ATTENTION!
Ensure that battery polarity is correct:
- black wire = negative
- red wire = positive
The lead battery is a secondary power source that provides power to the Alien/G and the
devices connected to the BUS, whether it is equipped with a power supply or I-BUS or both.
3-2-8
Calibration of the Alien touch-screen
If the touch screen of the Alien keypad does not respond to taps, you must carry out the
forced calibration process.
You can start this process by pressing and holding for 7 seconds the (Table 2-21: Alien -
description of parts, W) button which, for the Alien/G, can be reached on the PCB after
opening its casing and, for the Alien/S, can be reached through the relative hole. Once the
calibration process starts, simply follow the instructions provided by the keypad.
3-2-9
Installation of nBy/S readers
The wall-mount nBy/S reader is suitable for indoor and outdoor installation.
Insert the two anchor screws [A] (included) into the two screw locations [B] on the plastic
backplate.
ATTENTION!
In order to avoid the risk of piercing the silicone seal [C], and thus jeopardizing the
waterproofing of the enclosure, insert the screws before fitting the seal.
C
A
B
A
B
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