8
Specifications
Technical data for OOH740
64
Building Technologies A6V10367521_h_en_--
Fire Safety 2015-02-02
Collective detector line
You will find more information in document 001204.
Detector line Operating voltage DC 14...28 V
Maximum current connection factor 1.25
Quiescent current at maximum current
connection factor
65…125 μA
Surge current at maximum current
connection factor
180 μA
You will find details in the corresponding
section
Alarm voltage at:
l Alarm current = 1…15 mA DC 5…11 V
l Alarm current = 25 mA DC 9…12 V
Alarm current limitation at operating
voltage = DC 13...28 V
30…65 mA
Reset voltage UR:
l Alarm is reliably reset DC 0...2 V
l Alarm may possibly not be reset DC 2...4 V
Reset time at UR ≤ DC 2 V:
l Alarm is reliably reset >2 s
l Alarm may possibly not be reset 1...2 s
Minimum length of time until the line
separator opens in the event of a short-
circuit
5 s
Protocol Collective (with and without current limitation)
Compatibility See 'List of compatibility'
External alarm indicators
Number of external alarm indicators that
can be connected:
Max. 1 external alarm indicator FDAI9x-Ex
Voltage Typ. DC 6…14.2 V
Current 9…15 mA
Length of line
l Max. 30 m with unshielded cables, or
when the shielding is connected to the
positive pole of the detector base
l Max. 5 m, if the shielding is connected to
earth
Flashing interval times: Depending on the control panel
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