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- Flicker-free lighting control
- LED, CFL, and incandescent compatibility
- Two automatic modes
- Power mode controls by 0 to 100% power output
- Sensor mode controls by measured lux output (Requires DOL 16 light sensor)
- Configurable 365-day lighting program
- Independent programs for each channel
- Up to 20 schedules/lighting periods, per control mode
- Up to 12 events per schedule
- Separate ramp-up and ramp-down durations
- Automatic program restart option
- Manual override
- Two variable AC channels
- Two DC-signal (0 to 10 V) channels
- Two internal disconnect relays
- Two light sensor connections
- Light output calibration
- Twenty-character, four-line backlit LCD display
- Real-time clock with power-failure settings protection
- NEMA 4X enclosure (Corrosion-resistant, water-resistant,
- and fire-retardant)
- CSA approval
- Limited warranty
Light Dimmer Box 2
Model: LDB-2
Light Dimmer Box 2
Model: LDB-2
Flicker-free lighting control for a variety of applications
The Light Dimmer Box is designed around its easy-to-use functionality and ability to control AC or DC-powered LED, CFL, or incandescent lights.
Fully configurable lighting program
You can configure the lighting program to run for up to 365 days. The lighting programs consist of events and schedules. An event is a change in light output at a specific time. A schedule is a group of days that have the same events.
Benefits of a properly controlled lighting system
Research shows that a well-designed lighting control system can significantly increase production in dairy operations. Experts say correct light intensity and duration can have positive effects on the health, fertility, and productivity of dairy cattle. Long-day lighting, also known as photoperiod control, is the most common way to improve production with lighting.
In swine barns, a quality light source, controlled light levels and good uniformity can positively affect health, production, and welfare of the animals.
Poultry are affected by the intensity and duration of light. Pullets and laying hens need a quality light source and good uniformity to stimulate growth and provide a safe, relaxed environment. Light can be a tool to optimize growth, age of sexual maturity, egg weight, and egg production. The Light Dimmer Box is part of that tool.
In greenhouses, proper intensity, duration, direction, and quality of light have a positive effect on photosynthesis, reproduction, climate response, and plant shape.
Variable Load Expansion Box
Variable Load Expansion Boxes increase the load capacity of the control's variable stage. Installation is simple and there is no additional configuration required; all Expansion Boxes follow the settings of the master control.
DOL16 Light Sensor
The DOL16 measures light intensity in two different ranges: 0 to 100 and 0 to 1000 lux.
LDB-2 Settings Saver
The LDB Saver is an innovative and easy-to-use product that allows you to store all your Light Dimmer Box configuration and settings. You can restore them at any time, or use the LDB Saver to set up new controls in seconds.
LDB-2 Firmware updater
The LDB Updater allows you to upgrade the firmware of LDB controls. The LDB Updater takes only seconds to use and can upgrade all LDB controls at your site.
General
How big is the control?
The enclosure is 9 x 7 x 3.75 inches (23 x 18 x 9.5 cm). The heatsink adds an additional 1.25 inches (3.5 cm) to the width.
Does it have a manual override?
Yes. There is a software manual override that can be accessed from the LDB-2’s menu. For more information see Manual override in the user manual.
Do I need two light sensors to control two sets/channels of lights?
Yes. You need one sensor per channel. When you use two channels, you will need two sensors.
What are the relays for?
The relays are “follower relays”. They follow the output of the variable stage. If the variable stage is off, the relay is off. If the variable stage is at 1 to 100 percent output, the relay is on. The LDB-2 has this feature because some dimmable lights are not completely off at 0 percent. The follower relay breaks the circuit switches off the lights completely.
How does the alarm work?
If you use the control in sensor mode you may enable the alarm. When the control detects an abnormal reading, it will display a warning message on the screen.
Installation
Do variable AC lights need to be on the same phase as the control?
Yes. If the variable AC lights and the control are on different phases the lights will operate erratically.
Troubleshooting
What does the “Check light sensor” error mean?
This error means the control is not seeing a valid reading from the light sensor. Usually, this is a sensor or wiring problem that needs to be fixed.
Related Products
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Light Dimmer Box
Model: LDB
The Light Dimmer Box is designed around its easy-to-use functionality and ability to control AC or DC-powered LED, CFL, or incandescent lights.
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DOL16 Light Sensor
Model: DOL16
The DOL16 measures light intensity in two different ranges: 0 to 100 and 0 to 1000 lux.
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Variable Load Expansion Box
Model: VLX-20
Variable Load Expansion Boxes increase the load capacity of the control’s variable stage. Installation is simple and there is no additional configuration required; all Expansion Boxes follow the settings of the master control.
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