Planning
4
Limitations
22
Building Technologies
A6V10320090_c_en_--
Fire Safety
02.11.2011
4.4
Limitations
In the case of the FDSB229 the optical signals and alarm sounds cannot be
synchronized.
4.5
Configuration
The following chapters contain the specifications of the different acoustic and
optical signals.
The optical signals are only available with the sounder beacon interbase FDSB229.
4.5.1
Acoustic signals
Adjustable max. sound
levels with cover plate
(typ. values in
[dBA/1m]
1
)
No.
Tone
Frequency pattern
Sweep from → to
Pulse pattern
at 12 V
at 32 V
Norm
1
Continuous
970 Hz
80
83
'evacuate'
BS 5839 Part 1 1988
2
Intermittent
950 Hz
79
82
'alert'
BS 5839 Part 1 1988
3
Sweep-down
1200 Hz → 500 Hz
80
82
DIN tone
DIN 33404 Part 3
4
Slow-whoop
Sweep-up,
linear
500 Hz → 1200 Hz
80
83
NEN 2575
(Netherlands)
5
Pulse tone
500 Hz
76
78
Swedish Standard
SS 03 17 11, No. 1
'Imminent Danger'
6
Intermittent
500 Hz
75
77
Swedish Standard
SS 03 17 11, No. 6
'Local Warning'
7
Continuous
500 Hz
77
79
Swedish Standard
SS 03 17 11, No. 4
'All clear'
8
Alternating
560 Hz
440 Hz
77
79
'French fire sound'
NF S 32-001-1975
9
Intermittent
420 Hz
76
78
Australia 'Alert'
AS 2220 -1978