3
Structure and function
Function
18
Building Technologies
A6V10374021_c_en_--
Fire Safety
2014-07-01
3.3 Function
3.3.1 Danger levels
The manual call point can transmit the following danger levels to the control panel:
Danger level
Meaning
0
Normal state, no danger
3
Alarm
Door status
Danger level
Meaning
0
Door closed
2
Door open
The evaluation of the danger level and the resulting measures (e.g. activation of
remote transmission) are configured on the control panel.
3.3.2 Internal alarm indicator
The LED indicator of the alarm indicator has the following meanings::
LED indication
Meaning
Off
Normal condition
Green
Flashes once per second
Test mode is active
Red
Flashes once per second
Localization is active
o r
Alarm is triggered
Red and green alternating
Flashes twice per second
Alarm is triggered/localization is active
a n d
Test mode is active
3.3.3 Line separator
All FDnet/C-NET devices are equipped with a line separator.
The FDnet/C-NET device is equipped with electronic switches which isolate the
defective part in case of a short-circuit on the FDnet/C-NET detector line. The rest
of the detector line remains serviceable. On a loop line all FDnet/C-NET devices
remain fully functional after a simple error.
