ABB i-bus KNX Product Manual page 97


ABB i-bus KNX
Commissioning
When, in the following section, the communication objects Switch (ON telegram) or Brightness value are
mentioned, this also applies for the communication objects Switch/Status or Brightness value/Status.
Brightness value after switching on
Options:
This parameter defines the brightness value when the Staircase lighting function is operational and is the
value set after the dimming up phase and before dimming down (pre-warning phase).

100 % (255)...0 % (OFF): Brightness value to which the lighting group is set when the Staircase
lighting function is operational after dimming up.
Dimming to basic brightness
Options:
This parameter defines the brightness value that is set after the Staircase lighting time has timed out
taking the dimming down time (pre-warning phase) into consideration.

100 % (255)...0 % (OFF): Brightness value to which the lighting group is set after the dimming time.
The run time for the basic brightness and the time for dimming down (pre-warning time) can be set in
the
Note
Typical applications for a basic brightness are, for example, in nursing homes or residential care homes,
in hallways where the lighting is never fully switched off. There should always be a basic brightness of
approx. 20 %. If a person enters the area, it should be illuminated for a certain time (staircase lighting
time) with maximum brightness (100 %).
If funct. Staircase lighting is active
(running): Behavior on ...
100 % (255)
99 % (252)
...
1 % (3)
0 % (OFF)
100 % (255)
99 % (252)
...
30 % (77)
...
1 % (3)
0 % (OFF)
Parameter window General, page 43.
Brightness value
Options: No reaction
Function switches to standby
If the Staircase lighting function is activated, the parameter can be used to define the reaction to a
brightness value telegram.

No reaction: A brightness value telegram is ignored.

Function switches to standby: A brightness telegram ends the Staircase light function, and the
DLR/S executes the brightness telegram via the communication object Brightness value. The
Staircase lighting function is latent and waits until a renewed activation via the communication
object Activate stairc. light. or via an ON telegram to the communication object Switch.
DLR/S 8.16.1M | 2CDC 507 100 D0202 95