Siemens OOH740 - External Alarm Indicator in the Case of; Oohc740)

Structure and function
Function
3
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108
Building Technologies
A6V10305793_m
_en_
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Fire Safety
2016-02-15
Collective mode
The flashing behavior of the OOH740 in collective mode is independent from the
product version!
The following additional displays are possible when operating the point detector
OOH740 in collective mode:
Operating condition Flashing mode of alarm indicator
Normal Off
Alarm Flashing every 1 s
Fault Two flashes every 4 s
'Standard Plus' parameter
set is set
Flash every 6 s
1
'Suppression'parameter set
is set
Two flashes every 6 s
1
'High Sensitive Fast'
parameter set is set
Three flashes every 8 s
1
1
Only during the first three minutes of operation after the detector line being started up or reset.
See also
2 Setting the parameter set in collective operation [➙ 62]
3.3.6 External alarm indicator in the case of ES <20 (OOH740
and OOHC740)
External alarm indicators (EAI) connected to the point detectors display the
following behavior in addressed mode and collective mode:
Operating condition Flashing mode of alarm indicator
Alarm/Active EAI flashes every second
Alarm in test mode EAI flashes every second
The flashing behavior of the external alarm indicators in addressed mode for
higher point detector product versions is described in the 'Advanced flashing
behavior of the alarm indicators in the case of ES ≥20 (OOH740 and OOHC740)
[➙ 40]' chapter.