Siemens FDA221, Technical Manual

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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