Power Considerations - PTI security systems Falcon XT Installation Manual

Power Considerations

The Falcon XT has a built-in battery backed power supply capable of outputting 2A DC for
powering AI devices and RS485 isolators connected to the Falcon XT's RS485 network. The
output is available on P13, pins 1 and 2 labeled 12VDC and GND.
This output is controlled by the Falcon XT firmware and has the following characteristics:
• It is powered on after the XT initializes. This can be several seconds after a reset of the
Falcon XT before the power output is switched on.
It is short circuit protected. When a short condition is detected power will be switched
•
off. The XT will retry enabling power periodically and switch it back on when the short
condition is removed.
• When operating on battery power, the Falcon XT will switch off the power output when
the battery voltage drops to 11 volts.
All the above conditions are recorded in the Falcon XT event log and can be viewed in StorLogix.
If additional power is required, external remote power supplies can be added to the system. For
guidance calculating the power requirements of the system, see the "Remote Power Supply"
manual. Here you will find detailed calculations for planning power distribution for your system.
Precautions:
Door strikes, magnetic locks and sirens must be powered from their own power
supplies. Do not power them from the same supply used to power the AI device.
The manuals for the products list their maximum current consumption. Always use
maximums when calculating voltage drop in your connecting cable.
PTI recommends planning for no more than 75% of the supplies load. For the
Falcon XT's 2A supply we recommend connecting no more than a 1.5A load.
10 114A3866.C.05 Revised 7-2017