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Crestron Electronics, Inc. - GLS-LOL
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Crestron Green Light® Photosensor, Open-Loop

Series: Green Light

Model: GLS-LOL

Part #: 6502416

  • Wall or ceiling mount photocell
  • Measure the light level from a natural daylight source
  • Vertical or horizontal surface mount
  • 60 degree field of view
  • 0 to 10V DC analog control output
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The GLS-LOL is a photocell sensor designed for daylight harvesting applications to provide control of room lighting based on the presence of natural daylight. Intended for use with an open-loop type system, the GLS-LOL continually monitors the amount of daylight coming through a window or skylight, allowing room lighting to be dimmed or switched off when there is sufficient daylight available.

Open-loop photocell sensing provides a cost-effective solution for daylight harvesting, allowing multiple lighting zones to be controlled by a single sensor. In a typical office, classroom, or similar space, the photocell is installed on the ceiling near a window, or in the light well of a skylight, directed toward the incoming daylight and away from any electrical lighting fixtures. The system estimates the total amount of ambient lighting in the room according to the light level measured by the photocell.

The GLS-LOL can be mounted to a drywall or drop-tile surface. Its simple 3-wire interface allows for direct connection to a Crestron control system via a single Versiport I/O or analog input port, with 24 Volt power taken from the Cresnet control bus*.

Using the optional GLS-SIM Sensor Integration Module, the GLS-LOL becomes a full-featured Cresnet device, streamlining the total lighting system. Cresnet provides a simpler solution for configuring and wiring sensors as part of any complete Crestron system. Cresnet is the communications backbone for Crestron lighting dimmers, keypads, touchpanels, shade controllers, thermostats, and many other devices. This flexible 4-wire bus provides data communications and 24 Volts DC power for all of the devices on the Cresnet network.
  • Wall or ceiling mount photocell
  • Measure the light level from a natural daylight source
  • Vertical or horizontal surface mount
  • 60 degree field of view
  • 0 to 10V DC analog control output
  • Control system interface via Cresnet or analog input
 
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