Planning And Application - ABB i-bus KNX Product Manual

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ABB i-bus KNX

Planning and application

4 Planning and application
You will find some tips and application examples in this section for practical use of the DALI Light
Controller DLR/A 4.8.1.1.
4.1 Automatic DALI addressing
In order to better appreciate the functionality of the DALI Light Controller, the addressing of the DLR/A is
described in this chapter.
A DALI set-up (configuration) is necessary for the DALI Light Controller. The connected DALI devices are
automatically detected equipment, and an address in ascending order is assigned if no DALI address is
available.
Note
The DLR/A does not automatically allocate DALI addressing for DALI devices if in
General, page 40, the parameter Enable automatic DALI addressing has been set to no.
As soon as the light controller supply voltage has been applied to the DLR/A, it automatically and
independently checks the DALI devices connected to the DALI output. This process is also started after a
download or KNX bus voltage recovery or light controller supply voltage recovery and may take about 60
seconds depending on the number of connected DALI devices. If equipment with DALI interfaces is
detected, which has not been assigned with a DALI address (default delivery state, DALI short address
255), the DALI Light Controller will automatically assign a DALI address. The detected DALI devices will
be assigned with the first free DALI address (0 to 63) in the DLR/A. If no DALI services are detected, it is
assigned with the first DALI address 0. The second device is assigned with DALI address 1. The sequence
in which the DALI master, e.g. the DLR/A, finds a device with DALI interface cannot be influenced. If the
connected DALI device already has a DALI address, e.g. an exchanged device from another system, it will
not be changed.
If the new DALI device has a DALI address, which is used in the DLR/A, one of both DALI devices with the
same address will be assigned with a new and unused DALI address. Here, the old DALI device, which is
already connected to the DLR/A, may receive a new address.
With the DLR/A, you can now control the connected DALI devices with the communication objects DALI
output via the KNX without additional DALI group assignment.
The connected DALI devices must be assigned to a lighting group to control individual lighting groups. The
assignment is implemented with the external ETS independent Software Tool.
For more information see: online help, Software Tool
Parameter window
DLR/A 4.8.1.1 | 2CDC507128D0202 155