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Technical Manual
FT420
– Iss 2.4
12
circuits. Both the front display boards and the driver boards are connected via two sets of IDC
connectors.
The Main Display Board (SUB882), is connected to the Main Display Driver Board (SUB881), while
each of the other display boards connect to a Generic Display Driver Board (SUB891).
Both the main control board SUB880 and the main display driver board SUB881 board are controlled
by a microcontroller. During normal running conditions, both the on-chip FLASH and EEPROM
memory are constantly monitored. In the event of a CPU fault, the common fault relay output and the
common fault indication would be activated if a microcontroller fault was detected.
2.1.2 System Modules
All the FT420 system modules, except the AC/DC power supply and the backup batteries are listed in
Table 2. Details of each module are explained in Table 3.
Table 2 System Module Summary
Part No.
Type
Description
SUB880
Basic System Boards
Main Control Board
SUB881
Main Display Driver Board
SUB882
Main Front Display board
SUB945
Current Limiting Battery Charger Board
SUB883
Expansion Board
8 Zone Expansion Board
SUB884
Expansion Display Board
4 Zone Expansion Front Display Board
SUB885
Expansion Board
8 Relay Output Expansion Board
SUB886
Expansion Board
4 Supervised Voltage Output Expansion Board
SUB887
Expansion Plug-in Module
OWS Plug-In Module, to be plugged into the Main Control Board
SUB888
Expansion Display Board
OWS Expansion Front Display Board
SUB889
Expansion Display Board
OWS Selection Front Display Board used for either the Tone
Selection Display Board or the PA Zone Control Display Board.
Different decal labels are required.
SUB891
Expansion Display Driver
Generic Expansion Display Driver Board
SUB952
PCB305
Termination Board
SUB953
PCB306
Display Board
FT420-PC
Optional Configuration Tool
Configuration Adapter Box used only to download the SSD file
Each system module feature and output / input limitations are listed in Table 3
All the system expansion modules can be individually installed or removed in order to meet the
application requirements at minimal cost.
Содержание Firetracker FT420
Страница 1: ...TECHNICAL MANUAL Issue 2 4 FT420 Conventional Fire Alarm System MA425 Oct 2018 ...
Страница 76: ...Technical Manual FT420 Iss 2 4 76 6 3 FT420 Block Wiring Diagram Figure 39 FT420 with All Options ...
Страница 77: ...Technical Manual FT420 Iss 2 4 77 Figure 40 FT420 with Gas Kit Interface ...