ABB i-bus KNX Product Manual page 107

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ABB i-bus KNX
Commissioning
Selection of Forced operation 1 bit:
Dependent parameters:
Brightness value when switched on
by force
Options: 100% (255)
99% (252)
...
1% (3)
0% (OFF)
This parameter defines the brightness value used to switch on the ballast or group during activated
forced operation. Forced switch off of the or the group or ballast is also parametrizable.
Note
The minimal dimming value and maximum brightness value (dimming thresholds) set for the
DALI devices in the Ballast x and Group x parameter windows apply as basic settings for the
ballast. Certain of these thresholds are stored in the ballast and also apply to all functions.
Therefore, when setting the brightness value that will apply during forced operation, make sure
that it is feasible given the basic ballast settings.
Selection of Forced operation 2 bit:
Dependent parameters:
Brightness value when switched on
by force
Options: 100% (255)
99% (252)
...
1% (3)
0% (OFF)
This parameter defines the brightness value used to switch on the ballast or group during activated
forced operation. Forced switch off of the or the group or ballast is also parametrizable.
How does forced operation work?
The active Forced operation, irrespective of whether it is 1 bit or 2 bit control, has an influence on
the overall reaction of the ballast. When Forced operation is recalled, the brightness value
parametrized in ETS is set. Any Dim telegrams or slave or staircase lighting functions etc.
in progress are interrupted.
Brightness values received during Forced operation are not set, although they are processed in the
background and saved. Switch telegrams and slave values are also saved in the background.
Relative dimming telegrams and dimming ramps are ignored. With time sequences (e.g. Staircase
lighting or Scene), the end brightness value is immediately memorized. When the block is removed,
the value updated in the background is set.
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