Dbs721 And Dbs729 Acoustic Signals - Siemens DBS721 Technical Manual

Planning
4
Acoustic and optical configuration

4.5.1 DBS721 and DBS729 acoustic signals

No. Tone Frequency pattern
Sweep from
1 Continuous 970 Hz
2 Intermittent 950 Hz
3 Sweep-down 1200 Hz
4 Slow-whoop 500 Hz
Sweep-up,
linear
5 Pulse tone 500 Hz
6 Intermittent 500 Hz
7 Continuous 500 Hz
8 Alternating 560 Hz
440 Hz
9 Intermittent 420 Hz
10 Slow-whoop 500 Hz
Sweep-up,
linear
11 Intermittent 970 Hz
31 Mute Alarm sounder is switched off so that the DBS729 can be operated as an optical
indicator.
26 | 56
Building Technologies
Fire Safety
Pulse pattern
to
0
1 s
0
1 s
500 Hz
0
1200 Hz
3.5 s
0
0.15 s
0
0.1 s
0.15 s
0
0.6 s
0
0.1 s
0 0.4 s
0.6 s
0
0.65 s
1200 Hz
3.75 s
0
0.5 s
0
0.5 s 1.5 s
The sound level depends on the angle. See 'Annex technical data'
1
See also
2 Tones and sound levels of the interbase [
Adjustable max.
sound levels with
blanking plate (typ.
values in [dBA/1m]
at 12 V at 32 V
83
85
86
86
0.5 s
81
80
82
82
81
87
0.25 s
84
Norm
)
1
86 'evacuate'
BS 5839 Part 1 1988
89 'alert'
BS 5839 Part 1 1988
87 DIN tone
DIN 33404 Part 3
88 NEN 2575
(Netherlands)
82 Swedish Standard
SS 03 17 11, No. 1
'Imminent Danger'
82 Swedish Standard
SS 03 17 11, No. 6
'Local Warning'
83 Swedish Standard
SS 03 17 11, No. 4
'All clear'
84 'French fire sound'
NF S 32-001-1975
83 Australia 'Alert'
AS 2220-1978
88 Australia 'Action'
AS 2220-1978
86 ISO 8201
US Temporal Tone LF
45]
A6V10320094_m_en_--
2017-10-31