ABB i-bus KNX Product Manual page 158

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ABB i-bus KNX
Commissioning
Brightness value in emergency mode
Options:
This parameter defines the brightness value adopted in emergency mode.
The value set by this parameter is stored in the emergency lighting converter and therefore remains
available even if there is no connection to the gateway.
•
100% (255)...1%: Brightness value adopted by the emergency light in the event of a mains voltage
failure.
This setting cannot be lower than the minimal dimming value for the emergency lighting converter,
which is stored in the converter and cannot be changed by the gateway.
Note
The emergency lighting converters must support brightness value parametrization. Most converters
have a fixed emergency brightness in order to ensure an emergency mode compatible with the battery
and the lamp power.
For an emergency lighting converter, DALI value 255 is specified as an undefined brightness value.
Therefore the maximum brightness value setting of 255 is mapped to DALI 254.
156 2CDC507164D0201 | DG/S x.64.1.1
100% (255)
99% (252)
...
1% (3)