BDT‑7xx Series
Low Voltage Dual‑Tech Wall Switch Sensor
The BDT type of the WALLSENZR family are dual technology low voltage wall switch sensors designed to provide 2 poles of isolated dry contact output for load switching via the connected PPU or BMS. Sensor setting and control mode can be configured by Accu‑Set pot and DIP switch behind the button cover. This wall switch combines digital Passive Infrared (PIR) and High Frequency Doppler (HFD) sensing technologies into an aesthetically pleasing housing to provide second-to-none occupancy/vacancy sensing based lighting control for all applications.
The BDT‑7xx series features models with standard modes settings, or with Multi‑way Manual control.
| Models | Tech | ALS | Power | Output | PPU Required | MMC Control | Control |
| BDT‑700S a | PIR+HFD | ● | 12‑24 VDC | IDC | YES | NO | All time on/off with ALS override |
| BDT‑702S a | PIR+HFD | ● | 12‑24 VDC | IDC+DO | YES | YES | On/off switching with MMC |
| a - color code (W:White I:Ivory) | |||||||
| LEGENDS: PIR - Passive infrared HFD - High frequency doppler IDC - Isolated dry contact DO - Digital output MMC - Multi‑way manual control |
Multi‑way Manual Control is a unique feature that allows occupant to manually turn on/off the local lighting via pressing the push button on ANY one of the low voltage wall switch sensors connected to the power pack. The MMC can be applied in large areas with multiple entrances/exits where multiple low voltage wall switch sensors and ceiling sensors may be required to cover the whole area, and yet still be able to provide occupant accessible manual on/off control at multiple positions.
Typical Applications
| Models | Tech | ALS | Power | Output | PPU Required | MMC Control | Control |
| BDT‑700S a | PIR+HFD | ● | 12‑24 VDC | IDC | YES | NO | All time on/off with ALS override |
| BDT‑702S a | PIR+HFD | ● | 12‑24 VDC | IDC+DO | YES | YES | On/off switching with MMC |
| a - color code (W:White I:Ivory) | |||||||
| LEGENDS: PIR - Passive infrared HFD - High frequency doppler IDC - Isolated dry contact DO - Digital output MMC - Multi‑way manual control |
Multi‑way Manual Control is a unique feature that allows occupant to manually turn on/off the local lighting via pressing the push button on ANY one of the low voltage wall switch sensors connected to the power pack. The MMC can be applied in large areas with multiple entrances/exits where multiple low voltage wall switch sensors and ceiling sensors may be required to cover the whole area, and yet still be able to provide occupant accessible manual on/off control at multiple positions.
Typical Applications
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