LSCS LightSync Digital Ceiling Occupancy Sensor LSCS LightSync Digital Ceiling Occupancy Sensor

LightSync Digital Ceiling Occupancy Sensor

Model: LSCS

The LightSync Digital Occupancy Sensor is a low profile ceiling mount sensor designed to install in a standard commercial ceiling.  The sensor is provided with dual-tech detection with passive infrared and overlapping passive acoustic sensor. For ease of set-up they are configured over the LightSync digital bus. The occupancy sensor also has a full range photo sensor supporting open loop or closed loop daylight dimming. The LSCS digital occupancy sensor uses the newest digital components and detection techniques for superior performance.  Sensors detect occupant movement as they move through the field of view via passive infrared technology.  Once occupancy is detected, the sensor signals the relay to switch on the connected lighting.  Acoustic technology enables enhanced detection once the lighting is turned on.


LightSync Digital Ceiling Occupancy Sensor

Installation Guides

LightSync Ceiling Sensor (ID0633)



  • 3.6"W x 3.6H x 1.4D  (91mm x 91mm x 36mm) 
  • Low profile recessed ceiling mounting
  • Spring retention clips for mounting in 3" hole
  • Junction box mounted plate and trim ring provided 
  • RJ-45 In/Out ports
  • Digital addressing switches


  • Selectable PIR or Dual Tech operation from the LightLEEDer panel or LightLEEDer Pro software 
  • Time Delay is set from LightLEEDer panel 
  • Photo sensor for daylight dimming control configured from LightLEEDer panel  or LightLEEDer Pro software 
  • Acoustic sensing overlaps and enhances/extends overall detection 
  • An initial PIR event is required to enable acoustic functionality 
  • Automatic gain control filters ambient noise
  • Acoustic sensing will extend time delay 
  • Sensor will re-trigger with acoustic only after an initial time-out 
  • Connected lighting will shut-off after 5 minutes of acoustic only triggering 
  • Daylight Harvesting photocell sensor can be enabled for true-full range daylight dimming control 
  • Supports all standard ILC photocell sensor options 


  • Powered from the ILC LightSync bus 

Operating Environment: 

  • Location: Interior space
  • Operating Temp: 0° to 40° C (32°F to 104°F) 
  • Humidity: 10% - 90% Non-condensing 
  • Atmosphere: Non-explosive/corrosive 
  • Vibration: Stationary

Certifications and Approvals:  

  • Class 2 inputs
  • FCC Part 15
  • Meets local energy codes 

Product Details

LightSync Ceiling Sensor (PD0638)

  • Made in the USA
  • Low profile ceiling mount occupancy sensor
  • Field configurable for PIR or acoustic sensing operation
  • Sensitivity adjustments for passive infrared and acoustic can be independently adjusted to three different levels
  • Automatic Gain Control filters background noise to fine tune acoustic sensitivity
  • Field configured setting for "no touch" adjustment are all done from the ILC LightLEEDer Pro software
  • Dual tech operation is triggered by PIR and uses the acoustic for holding a On state
  • Cat-5 ready digitally addressable device
  • Can connect directly to a LightLEEDer panel or LLEVO local bus as a LightSync device
  • Powered by Cat-5 digital bus as a LightSync device, no external power required
  • Panel level configuration for relay on/off and dimmer control to the local panel or over the ILC network
  • Provides control for Relays, Presets, Groups, and Scenes
  • Built in selectable photo sensor for full range daylight dimming control
  • Digital photo sensor provides 255 step resolution between the 0 to 1800 Fc range