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3.2
FT128 Limitations
In addition to increasing the number of the COM loop units to 255 in software ≥ V2.0, other
limitations have also been increased as well as adding new types. The following table lists
some of the limitations in V2.4.x software.
Table 3 FT128 Limitations
Item
General fire alarm via programmable input
External fault via programmable input
Inputs
Outputs (All kinds of outputs)
Trigger conditions (in all the control expressions)
Technical warnings
Short circuit isolators
3379 (or future 4479)
Interlocking Combinations.
Presentation numbers / alarm points that can be presented in the
display(s) in case of fire alarm (zone/zone address)
Presentation numbers that can be programmed (loop units)
Detectors and/or manual call points (alarm points)
Zones that can be programmed
Faults
Disabled alarm points (zone/address) + Disabled COM loops
(Zone/address disabled via time channel not included.)
Disabled outputs (Control outputs disabled via menu H2/B3 and Alarm
devices disabled via menu H2/B4 not included.)
Disabled interlocking outputs
(Interlocking outputs disabled via menu H2/B3 not included.)
Sensors activating SERVICE signal
Max. number of expansion boards 4580, 4581 & 4583
Max. number of LAA zones (AAM)
(Max. 5 detectors/zones per LAA zone.)
Max. number of I/O Matrix boards with expansion boards.
Number without expansion boards.
8
Expansion boards are internally connected to COM loop 0, ensure total number of expansion boards and I/O
connected to the COM loop does not exceed 4. Software 2.1.1 allows to use 4 expansion boards.
8
14
Operation Manual
FT128 Rev 2.4
Maximum
number
256
50
128
200
~1000
50
128
50
100
256
255
512
99
200
200
100
100
100
4
50
4
8
matrix boards
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