A potentiometer is a simple component that has established itself as an inexpensive solution for dimming LED drivers. Our potentiometer sits in a practical housing that can be ideally mounted on the 40 mm aluminium profiles. Simply connect to the B- or AB-type driver with WAGO terminals and the dimmer is ready to go!
With a potentiometer you can LED Drivers dimming, the one suitable for it Control input have. These are, for example, all Mean Well drivers, which are marked with -B or -AB at the end of the product name.
The Potentiometer is a variable resistor that can be connected to the signal line of these drivers to act as a dimmer. For a LED driver you need 100 kOhm variable resistor. With a potentiometer, several LED drivers can be dimmed synchronously. However, if several drivers are used, the resistance of the potentiometer should be selected correctly.
Which potentiometer for several drivers
1 driver: 100 kOhm
2 drivers: 50 kOhm
3 drivers: 33 kOhm
4 drivers: 25 kOhm
5 drivers: 20 kOhm
etc... the formula is 100kOhm / n [number of drivers]
Currently 100 kOhm and 50 kOhm potentiometers are available. Other resistance values can be provided on request.
For many drivers, ideally a 0-10 V controller should be used, as it is built into the CresControl. Besides the obvious advantages of the App-Control, this control has no restrictions due to resistance tolerances. When using potentiometers as dimmers for many drivers, small delays between the individual devices may occur.
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