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VLC-3.rev.04
GENERAL
1. INTRODUCTION
The VLC-3 is a light program controller designed for livestock buildings.
Light intensities vary according to a light program sequence. Up to 12
dusk-to-dawn programs and 20 light peaks can be programmed per
period with up to 20 different periods in one year. The controller
includes a four-digit display, function pilot lights, two adjustment knobs
and a push-button for easy programming. Additional features include:
- gradual increasing and decreasing of light intensity to simulate
sunrises and sunsets
- minimum and maximum intensities specified as a percentage of full
lamp intensity
- display of current time, day, light intensity and period
- step-by-step programming
- minimum inertia method used to smooth sudden transitions in light
intensity
- manual mode
- a lamp output activated above or below a threshold value
- an alarm output
- a real-time clock with backup battery for keeping time in case of a
power failure
- overload protection on the output
- a 115/230 VAC - 50/60Hz power supply
- the unit can be connected to a computer communications module
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