e1276e
4
Siemens Building T
echnologies
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
µ
A
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
