Occupancy detector with integrated DALI application controller for energy-efficient lighting control
DALI-2 certified product
Integrated DALI power supply and 4 push-button inputs
Adjustable communication mode "Broadcast" (1 light zone, without addressing) or "Multicast" (several light zones, HVAC, with addressing)
Up to 8 lighting groups can be created, with up to 4 profiles and 2 scenes possible per group
Manual switching or dimming via conventional pushbuttons
Quick commissioning and maintenance processes via Smartphone/Tablet App (Android, iOS) - Bluetooth required
Expandable with up to 8 B.E.G. BMS multi-sensors
Support for DALI-2 push buttons
Semi-automatic, full automatic, presence-independent or light-independent mode adjustable
Adjustable regulation dynamics (minimum and maximum values)
Over-the-air (OTA) firmware update: the firmware can be conveniently updated remotely without the need for cables
Adjustable speed and delay of the regulation
Mixed light measurement with internal and external light sensor
DALI output power can be increased with accessories
Integrated daylight harvesting circuit (or switch output)
Adjustable switch-on value
Last value - Reminder function for switch-on value
Adjustable brightness set value and reflection factor
Indication of the current light sensor value in the B.E.G. One App
Self-check and display of device errors in the B.E.G. One App
Status LEDs can be activated / deactivated
PIN code
Corridor function - Deactivates the possibility to switch off the light via the push-button
Partition wall function: In order to be able to respond to changes in room geometry, B.E.G. BMS detectors can be used to flexibly adjust the lighting groups of two rooms
Number of DALI participants can be determined quickly and reliably via the B.E.G. Online DALI Line Planner
Factory setting 10 min follow-up time and 500 lux brightness set value
Including pre-assembled spring clamp with strain relief and contact protection cap for recessed ceiling mounting
Accessory for surface mounting available

Voltage: 230 V AC +/-10% 50 Hz
Dimensions: Ø 84 x 85 mm
Power consumption: approx. 2 W
slave devices: up to 8
Detection area: horizontal 360°  (Ceiling mounting)
Range: max. Ø 24 m across, max. Ø 8 m towards, max. Ø 6.4 m seated
Monitored area (tangential movement): 450 m² / 2.5 m mounting height
Mounting height min./max./recommended: 2 m / 5 m / 2.5 m
Degree / class of protection: IP20  / Class II
Impact resistance level: IK05
Ambient temperature: -25 °C to +50 °C
Housing: polycarbonate, UV-resistant
Material color: white mat, similar to RAL9010
 Channel 1 (lighting control)
DALI output: 100 mA (guaranteed), 120 mA (max.), shut down mechanism
supported control gear: DT5, DT6, DT7, DT8-Tc (HCL only possible with DT8-Tc, 2700 - 6500 K)
supported control devices: B.E.G. BMS (motion detection, measured light output)
Follow-up time: 1 min - 150 min
Orientation light 5 - 100 % / OFF / 1 min - 255 min / ∞
Brightness set value: 10 - 2500 Lux
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4N-M-DACO-PRO DALI-2
Material color: white mat, similar to RAL9010
Item number: 93353
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