Control by means of analog signal 1-10V or 0-10V was created with the idea of extending the conventional lighting installation with the possibility of automatic control of the luminous flux value of discharge sources, ultimately fluorescent lamps used indoors. The control of luminaire parameters is carried out by means of control line wires, by changing the interference-free voltage signal at the terminals of the ballast in the range of 1-10V. Changing the voltage triggers a change in the operating frequency of a given circuit. This results in a change in the value of the impedance of the coil (L- in the illustration) and capacitor (C) located in the electronic ballast, in effect causing a change in the current flowing through the luminaire, and thus the value of the luminous flux.
Using the 1-10V control, we can distinguish two extreme values of voltage, and thus the luminaire's luminous flux states, between which we can make adjustments:
The 1-10V control system is a method of regulating luminous intensity in luminaires using an analogue voltage signal, allowing precise control of light output.
It works by changing the voltage between 1-10V at the terminals of the electronic ballast. Changing the voltage affects the impedance of the coil and capacitor, which changes the current and luminous intensity.
- 1V means minimum luminous intensity (1% for linear fluorescent lamps, 3% for compact fluorescent lamps)- 10V means maximum luminous intensity (100% of maximum value)
Enables:- Precise adjustment of luminous intensity- Smooth transitions between light levels- Electricity saving- Extended service life of luminaires
Most commonly in:- Offices- Meeting rooms- Educational facilities- Public facilities- Exhibition spaces
It requires additional control cables in parallel to the standard power supply to transmit the analogue signal of the voltage change.
Yes, it can be integrated into modern building automation systems for even more advanced lighting control.
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