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KL6821 DALI/DALI-2 multi-master and power supply

General information

DALI Product ID4844
Product NameKL6821 DALI/DALI-2 multi-master and power supply
Brand NameBeckhoff
StatusCertified: DALI-2
Product Part NumberKL6821
Bus unit configuration-

External link to product



Test conditions
Test typeFull
Family reference product ID-
DALI test sequence software version2.3.2.0


Bus current consumption2
Guaranteed supply current220
Maximum supply current250

Hardware/firmware information

If multiple versions exist then contact the manufacturer for details of the older versions.

Hardware version8.0
Firmware version8.0


The KL6821 enables the connection of up to 64 DALI/DALI-2 control gears and 64 DALI-2 input devices. The KL6821 connected a DALI-2 Bus to the Beckhoff PLC System. Operation is done exclusively via TwinCAT PLC function blocks. The integrated DALI Bus power supply unit generates an electrically isolated voltage and can be switched off.

DALI parts and versions


Product properties

Sensors, switches, push-buttons, etc.

“Other properties” do not imply certification to such standards.

Reference design of firmware or hardware available