User Manual

Alarm devices in C-NET
5.3 Sounder interbase DBS721, Sounder interbase with supple-
mentary optical indication DBS729
BDS721
Sounder interbase
Part no.
S54372-F13-A1
Documents
Product data sheet
A6V10277374
DBS721
Technical description
A6V10320094
Operating instructions
A6V10320096
Application
Only with addressable detector base applicable.
For recess supply wiring and for surface supply wiring, cable diameter up to 8 mm.
For all point detectors designed for Cerberus PRO FD720.
In hotel rooms, hospital rooms, nursing homes living rooms and lounges.
Function
The sounder interbase DBS721 serves for acoustic alarming in an addressed FS720 fire detector sys-
tem. The sounder interbase has its own address and can be configured freely with no dependence from
its associated detector.
Technical data
Communication protocol
C-NET
Operating voltage
DC 12…33 V
Operating current quiescent condition
– Sound activated
250 µA
3,5 mA
Sounds
11, 2 activation levels, 3 sound intensities
Sound level
80…87 dB(A)
Connection terminals
0.2…1.6 mm
2
Operating temperature
-25…+65 °C
Storage temperature
-30…+75 °C
Humidity
≤95 % rel.
Color
White ~RAL9010 / translucent
Protection category EN 60529/IEC 60529 with
– Base DB720 or DB721
– Detector base sealing RS720
IP21
IP21
System compatibility FDnet
FC720
Standards
EN 54-3 Typ A, EN 54-17
Dimensions
Ø127 x 52 mm
Approvals
VdS G211083
40
Building Technologies
058_FD720_Equipment_overview_A6V10225323_j_en.doc
CPS Fire Safety 04.2014