Quality, Value, Experience from Trusted UK Seller This interface converts DALI signals into a 1-10V control signal and makes it possible to incorporate operating devices with a control voltage of 1-10V into a DALI system. The power supply of the LED ballast is switched on and off with the aid of the integrated switching relay. DALI Device Type 5 (IEC62386-206) compatible (choice of linear or logarithmic dimming curve / choice of 0-10V or 1-10V output voltage range)