Siemens FDL241-9 - Page 36

Reset voltage DC2…4V
Reset time at reset voltage DC2V 1…2s
Protocol Collective (with and without current
limitation)
Compatibility See 'List of compatibility'
Addressed detector line and collective detector line
External alarm indicators
Number of external alarm indicators that
can be connected
2
Voltage DC6…17V
Current 9…15mA
Length of line Max. 30m with unshielded cables
(recommended) or if the shielding on
the detector is connected to the
positive pole for the external alarm
indicator
Max. 5m, if the shielding is
connected to earth
Flashing interval times on FDnet/C-NET
detector line:
● Bright 15ms
● Dark 1s
Flashing interval times on collective
detector line
Control panel-specific
Device characteristics
Infrared transmitter:
● Wavelength 950nm
● Pulse frequency 4Hz
Compensation (if the ray attenuates)
Compensation speed
2.3%/h
Alarm integration 6…16s
Detection distance:
● Without filter 10…100m
● With short distance filter DLF1191‑AA 8…12m
1
● With short distance filter DLF1191‑AB 5…10m
1
● Maximum angle misalignment 0.4°
1
The detection distance of 10…100m meets the requirements of standard EN54‑12.
Detector heating unit
DLH1191A
Operating voltage DC20…30V
Operating current 30…50mA
Resistance 600Ω
Heating unit in reflector
for long distance (prism)
DLR1191
Operating voltage DC20…30V
Operating current 30…50mA
Resistance 600Ω
Specifications
Technical data
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