Siemens FDSB221

Planning
Configuration
4
23
Building Technologies
A6V10320090_c_en_--
Fire Safety 02.11.2011
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
10 Slow-whoop
Sweep-up,
linear
500 Hz → 1200 Hz
3.75 s
0.25 s
80 83 Australia 'Action'
AS 2220 -1978
11 Intermittent 970 Hz 80 83 ISO 8201
US Temporal Tone LF
31 Mute Alarm sounder is switched off so that the FDSB229 can be operated simply as a beacon.
1
The sound level depends on the angle. See 'Annex technical data'
See also
 Tones and sound level
s of the interbase (DC 32 V) [➙ 36]