Siemens Cerberus DLO1191 - 2 Technical Data; Collective Mode; Interactive Mode

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Siemens Building Technologies
Cerberus Division
09.2000
2 Technical data
Normal ambient conditions, if nothing else is specified:
Temperature T
a
=20°C (293K)
Air pressure: p = 1’000hPa (750 Torr)
2.1 Collective mode
Value
Parameters Symbol Unit min. typ. max. Conditions
Operating voltage
(quiescent)
U
b
V 18 28
Maximum permissible voltage U
max
V 30
Switch-on current I
e
mA 2.8
Operating current
(quiescent condition)
I
b
mA 1.5 2.8
Alarm voltage at I
A
= 1 ... 10mA U
A
V 5 11
Alarm current at U
b
= 24V I
A
mA 40 75
Reset voltage U
R
V 2 6
Reset current I
R
µA 5 500
Reset time (U
R
= 2V) t
R
s 2
Response indicator
Voltage
Current
Flashing frequency
U
ie
I
ie
V
mA
Hz
3
1
6
60
100
permanent
pulsed
f ≥0.5Hz, Duty Cycle 50%
depending on line module
Connection factor KMK – – 25 – maximum 1 detector per
detection line
2.2 Interactive Mode
Value
Parameters Symbol Unit min. typ. max. Conditions
Operating voltage
(quiescent)
U
b
V 21.2 33.3 modulated
Operating current
(quiescent condition)
I
b
mA 1.5
Baud rate kBd 4.8
Response indicator
Flashing intervals: light
dark
Response indicator current
ms
s
mA
20
1.5
15
depending on control unit
Connection factor IMK – – 10 – Isolator factor = 1