Siemens FDA241 Series Technical Manual

9
Specifications
Technical data for FDA241, FDA221
106
Building Technologies A6V10334410_h_en_--
Fire Safety 2015-09-29
Interface for connecting to a PC Mini USB
Connection to detector line with FDCC221S
(accessory)
FDnet/C-NET
Connection factor with FDCC221S (accessory) 3
Line separator
Line voltage:
 Nominal DC 32 V (= V
nom
)
 Minimum DC 12 V (= V
min
)
 Maximum DC 33 V (= V
max
)
Voltage at which the line separator opens:
 Minimum DC 7.5 V (= V
SO min
)
 Maximum DC 10.5 V (= V
SO max
)
Permanent current when switches are closed Max. 0.5 A (= I
C max
)
Switching current (e.g., in the event of a short-circuit) Max. 1 A (= I
S max
)
Leakage current when switches are open Max. 1 mA (= I
L max
)
Serial impedance when switches are closed Max. 0.5 Ω (= Z
C max
)
Parameter sets
Number of parameter sets (see also [➙ 40])
FDA241 10 sets
FDA221 5 sets
Sensitivity
For early warning alarm, pre-alarm, fire alarm 1 (see also [➙ 40])
FDA241 0.03…2.0 %/m obs
For pre-alarm, fire alarm 1 (see also [➙ 40])
FDA221 0.08…2.0 %/m obs
For fire alarm 2 (see also [➙ 40])
FDA241
FDA221
2.0…20 %/m obs
6.0…20 %/m obs
Alarm delay
Can be set individually
Default setting
EN 54-20
0…300 seconds
 0 seconds (firmware
version ≥ 3.10)
 60 seconds (firmware
version ≤ 3.6)
 0 seconds

Siemens FDA241 Series Specifications

General

Brand	Siemens
Model	FDA241 Series
Category	Smoke Alarm
Language	English