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#3 way dimmer for led lights drivers
Most dimmable Mean Well drivers work by reducing the amplitude of the current being fed to the LED lights.įor the dimming to be smooth and to match up with the motion of the dimming switch, the LED driver needs to be loaded as close to the rated maximum power output as possible. Usually the answer to this problem will be that the LED driver that is being tested is under loaded. Why are the LEDs dimming at an uneven or rapid rate? A good example of this would be using an Arduino to output a PWM signal to the dimming wires. As the duty cycle is reduced the LED controller will lower the output of the LED driver. The control in this type of dimming will have wires or terminals which will connect into the driver dimming wires. Note that this does not make the driver have a PWM output like the PWM power supply from Mean Well, but rather just controls the light output via the dimming wires. The last dimming option is to use a PWM signal generated by a dimming switch or control. If you have a controller with a 0-10V output signal consider using the ELN that can work with that type of circuit. All you need to do is connect the gray wire on the dimmer to the Dim (+) and the purple wire on the dimmer to the Dim (-). The dimmer also comes with a face plate for wall mount installations and comes in rotary knob or slider options. The simple design just needs to be wired up to the dimming wires and works to smoothly dim LED lights. We carry an awesome current sinking 0-10V dimmer that works great with Mean Well drivers. The last thing to note is the Mean Well drivers require a current sinking dimmer, not one that provides the 0-10V signal already. The typical dimming response for a 1-10V dimming signal is shown below: A switch setup like described above will help the circuit and keep it turned off when not in use. The output status is not guaranteed when the signal is less than 1V for the Mean Well drivers. 57V or 5.7% light output before cutting off power. 0-10V dimmers on the other hand go down to. For this reason, a switch at the AC main lines is needed to shut off power when the light is not needed. This means the light will only go down to 10%, therefore there will still be some visible light and power going through the system.
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1-10V lets the dimming signal go down to 1V or 10% light output. This is where 0-10V and 1-10V dimming drivers are different. When the dimming signal is reduced, the light output will decrease until hitting the minimum output. The same is to be said if you have a dimmer connected and turned up all the way. When the wires are left untouched (without a dimmer) the signal is at 10V, thus 100% light output. In 0-10V or 1-10V dimmable drivers there is a 10V signal that flows from the Dim (+) line to the Dim (-) line. 1-10V or 0-10V DimmingĠ-10V dimming is a type of dimming where a dimmer is used to alter the control signal of the dimming wires from 1-10VDC to alter the LED brightness.
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100K Potentiometers are great for smaller projects where you just need a turn style knob for control, or they are great if you are simply testing the dimming range or output of LED lights. These problems make it so some users might want to look below at electronic potentiometers or 0-10V Dimmers. Second, there is not much of a choice for a frame plate or way to make the potentiometer fully integrate with the aesthetic design of the rest of your application or household. First, the dimming response is very shaky and not very good in the case when there are multiple drivers connected to one potentiometer. There are two main drawbacks to this type of dimming that need to be considered for the end application design.
#3 way dimmer for led lights how to
See figure 1 for how to hook up a potentiometer to the dimming wires of a Mean Well HLG. This is a variable resistor that easily attaches to the dimming wires for a cost-effective solution. One of the simplest and most affordable solutions to dim with the LED drivers is to use a simple 100k Ohm potentiometer. Potentiometer: Simple resistance dimming with some shortcomings This dimming feature enhances flexibility to make the end-application design much simpler. This ‘3-in-1 dimming’ allows for the user to dim LEDs with three different forms of signal: Passive Resistance, 1-10VDC (0-10V) and Pulse Width Modulation (PWM). Many models like the HLG, NPF and LPF are built with Mean Well’s 3-in-1 dimming feature. Mean Well has developed a wide line of LED drivers with advanced dimming features for LED lighting. Mean Well LED drivers offer dimming features to fit the demand for modern lighting control.