Occupancy detector for large heights with integrated DALI application controller for energy-efficient lighting control
External telescopic light sensor for a mounting height between 5 and 16 m (mechanically adjustable) for measuring the light according to the application.
DALI-2 certified product
Integrated DALI power supply
DALI interface for controlling digital, dimmable ECGs in broadcast mode
Manual switching or dimming via conventional pushbuttons
Bidirectional IR communication enables fast integration into the project management function of the B.E.G. One app
Complete range of functions can only be activated using the BLE-IR-Adapter and a compatible Smartphone or Tablet (Android, iOS).
Semi-automatic, full automatic, presence-independent or light-independent mode adjustable
Adjustable regulation dynamics (minimum and maximum values)
Adjustable speed and delay of the regulation
Single master version, not networkable
Detection area can be extended by using slave devices
Mixed light measurement with 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
Number of DALI participants can be determined quickly and reliably via the B.E.G. Online DALI Line Planner
Software is backwards compatible with the first generation (except DSI, double lock and corridor function)
Factory setting 10 min follow-up time and 500 lux brightness set value
There are markings to ensure correct alignment during installation
When used in high-bay warehouses, care should be taken that, in the cross-aisles of the warehouse, detectors are installed that can detect movement only in the desired aisle locations, by using blinds or other technical arrangements.
Surface-mount version

Voltage: 230 V AC +/-10% 50 Hz
Dimensions: Ø 101 x 76 mm
Power consumption: approx. 2 W
slave devices: up to 8
Detection area: horizontal 360° oval  (Ceiling mounting)
Range: 30 m x 19 m
Monitored area (tangential movement): 440 m² / 14 m mounting height
Mounting height min./max./recommended: 5 m / 16 m / 14 m
Degree / class of protection: IP54  / Class II
Impact strength: IK04
Ambient temperature: -25 °C to +50 °C
Housing: polycarbonate, UV-resistant
Material color: white mat, similar to RAL9010
 Channel 1 (lighting control)
DALI output: 80 mA (-), 125 mA (max.), shut down mechanism
supported control gear: DT0, DT5, DT6, DT7
supported control devices: - (single master)
Follow-up time: 1 min - 150 min
Orientation light 10 - 30 % / OFF / 5 min - 60 min / ∞
Brightness set value: 10 - 2500 Lux
 Mixed light measuring


Manufacturer: B.E.G. Brück Electronic GmbH
Description: PD4-M-DACO-GH-SM DALI-2
Material color: white mat, similar to RAL9010
Item number: 93469
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