e1485b
3
Fire & Security Products
Siemens Building Technologies Group
06.2001
2 Technical data
Normal ambient conditions, if nothing else is specified:
Temperature T
a
DO1101-Ex =20°C (293K) DT1101-Ex/DT1102-Ex =25°C (298K)
Air pressure p = 1’000hPa (750 Torr)
Parameters Symbol Unit DO1101-Ex DT1101-Ex DT1102-Ex Conditions
Operating voltage
(quiescent condition)
U
b
VDC 17 24. . . . . . . 16 24. . . . . . . 16 24. . . . . . .
Max. permissible voltage U
max
VDC max. 27 max. 27 max. 27
Starting current I
e
µA max. 160 max. 100 max. 100 max. 25s after switch-on
Operating current
(quiescent condition)
I
b
µA max. 100 max. 100 max. 100 for DT1101-Ex T
a
=25...50°C
for DT1102-Ex T
a
=25...70°C
Alarm voltage
at I
A
= 1 ... 10mA
at I
A
= 1...60mA
U
A
U
A
V
V
5 10. . . . . .
5 12. . . . . .
5 10. . . . . .
5 12. . . . . .
5 10. . . . . .
5 12. . . . . .
Max. alarm current, pulsed I
A
mA max. 100 max. 100 max. 100 must be limited externally
f≥0.5Hz, Duty Cycle 50%
Reset voltage U
R
V 2 6. . . . . . . 2 6. . . . . . . 2 6. . . . . . .
Reset current I
R
µA 20 500. . . . . 40 500. . . . . 40 500. . . . .
Reset time (U
R
= 2V) t
R
s
max. 2 max. 2 max. 2
Response integrating time t
A
s typ. 7 –– ––
Response sensitivity D
1
%/m typ. 3.0 –– –– smoke sensitivity with paraffin
test aerosol (1m/s)
Electrical sensitivity
signal voltage ∆
U3A
V 1.2 2.8. . . . . . –– –– measurement with DZ1194
Ext. response indicator:
Voltage
Current
Flashing frequency
U
ie
I
ie
V
mA
Hz
1.5 6. . . . .
max. 50
1
1.5 6. . . . .
max. 50
1
1.5 6. . . . .
max. 50
1
f≥0.5Hz, Duty Cycle 50%
depending on line module
Capacitance detection line
AI line
≤1nF
≤33nF
≤1nF
≤33nF
≤1nF
≤33nF
Inductance detection line
AI line
-
≤40µH
-
≤40µH
-
≤40µH
Response sensitivity
temperature increase
dT/dt = 10K/min.
EN 54-5 class A1R
max. release temperature
EN 54-5 class BR
max. release temperature
dT
T
a
T
a
°C
°C
°C
––
––
––
20 40. . . . . . .
54 62. . . . . . .
20 40. . . . . . .
74 85. . . . . . .
Electromagnetic compatibility V/m min. 50 min. 50 min. 50 1MHz ... 1GHz
Operatic compatibility T
a
°C –25 +60. . . . –25 +50. . . . –25 +70. . . .
Humidity ≤34°C
>34°C
≤95% rel.
≤35g/m
3
abs.
≤100% rel.
≤35g/m
3
abs.
≤100% rel.
≤35g/m
3
abs.
transient condensation allowed
Storage temperature (continuous) T
l
°C –30 +75. . . . –30 +75. . . . –30 +75. . . .
Protection category
EN60529/IEC529
IP44 IP44 IP44
Colour white
≈RAL9010
white
≈RAL9010
white
≈RAL9010
Standards
- for fire detectors EN54-7 EN54-5
class A1R
EN54-5
class BR
– for explosion-hazard areas EN50014
EN50020
EN50014
EN50020
EN50014
EN50020
Application category IEC 721-3 3K6 3K8H 3K8H
Ex classification EEx ib IIC T4
(T
a
≤60°C)
EEx ia IIC T4
(T
a
≤50°C *)
EEx ia IIC T4
(T
a
≤70°C *)
Ex approvals
– PTB Nr.
– ASEV Nr.
Ex-96.D.2060
96.1.10358
Ex-95.D.2148
95.1.11013
Ex-95.D.2148
95.1.11013
Load factor KMK 1.6 1 1
* not Ex conditional (Alarm release DT1101-Ex 54°C
DT1102-Ex 74°C)
Intrinsic safety:
Intrinsic safety «i» when using a certified shunt Zener diode barrier with the following
data:
R
i
w 280Ω
U
i
v 28V
I
i
v 100mA
P
i
v 700mW