Page 6 AFP-2800 - Fire Indicator Panel – System Description
© N
OTIFIER
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NERTIA
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TY
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TD
, 2001
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INERTIA
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AU
SECTION 3:
SECTION 3:SECTION 3:
SECTION 3:
S
YSTEM
D
ESCRIPTION
The AFP2800 is a state-of-the-art microprocessor based distributed Fire Alarm Detection System. The panel
comprises multiple microprocessors for sharing the processing load both within the panel and in the field modules
using proprietary multiplexing communications, thus the term “distributed system”.
The main panel communicates with the intelligent field devices via RS485 communications rings. Each field
device can have multiple inputs and outputs. These inputs and outputs can include (but are not limited to) smoke
or heat detector circuits, bells and air conditioning controls.
The system supports two RS485 communications rings. Each ring can support up to 100 distributed field modules
and ring 1 can additionally support up to 99 panel annunciators and 30 LCD-80 units in terminal mode.
In addition to the two rings of distributed conventional communication, the panel can support up to 10 loops of
Notifier FlashScan Analog /Addressable points. Each FlashScan loop can support 159 detectors and 159
modules.
In its maximum configuration, the panel can support up to 1602 Conventional Detection Circuits, more than 800
Programmable Relay Outputs and 3,180 Analog/Addressable FlashScan points.
All of this data is stored in a large database and text based scripts are continuously processed to implement the
logic of input and output functions similar to a programmable logic controller (PLC).
The system’s configuration data and event history is stored in non-volatile “Flash” memory, which does not rely on
battery power for its backup. The operating system is also stored in flash memory so there is no need for EPROM
changes to upgrade the firmware.
Ring
Interface
Module
Loop
Interface
Module
803
Up to 8 x 803 relay boards
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