Extended Flashing Behavior Of The Alarm Indicators - Siemens FDOOT221 Technical Manual
Automatic fire detectors
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2BStructure and function
3
20BFunction
3.5.7 Extended flashing behavior of the alarm indicators
Operating condition
Alarm
Normal Configuration 1
default
(
)
Configuration 2
Test
Normal
mode
Alarm
Fault
40 | 138
Building Technologies
Fire Safety
Internal alarm indicator
The table below describes the flashing behavior of the internal alarm indicator of
the point detectors FDOOT241-A and FDOOT241-Ax with a product version ≥50 in
FDnet mode:
Several flashing patterns are available for normal operation. The flashing pattern
is selected using the 'SintesoWorks' software.
Flashing mode Graphic
IAI flashes red
once a second
0
1
IAI off
0
1
IAI flashes red
every
10 seconds
0
1
IAI flashes red
twice every
4 seconds
0
1
IAI flashes red
twice every
4 seconds and
0
1
red every
second in-
between
IAI off
0
1
Not all fire control panels support the flashing patterns described.
Depending on the settings of the fire control panel, the additional weak flashing
described in the 'Internal alarm indicator [➙ 39]' chapter will additionally be
displayed.
A steady-on flashing mode for the alarm and an alternative flashing mode for
normal operation can be set using the 'SintesoWorks' software.
Please also observe the documentation for your fire detection system.
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
2
3
4
5
6
7
[s]
8
9
10
11
12
[s]
8
9
10
11
12
[s]
8
9
10
11
12
[s]
8
9
10
11
12
[s]
8
9
10
11
12
[s]
8
9
10
11
12
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2015-11-04
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