Lighting controllers are intelligent lighting accessories which provide various types of control and automation to lighting systems. They usually sit between the power source and the lighting module.
These controllers are one of the simpler, and most common form of lighting controllers. They control a DC voltage from 0 V to 10 V to control dimming functionality.
DALI (Digital Addressable Lighting Interface) is an international lighting standard. DALI controllers are used with electronic ballasts, LED lighting, relays and transformers. They enable the control of multiple light sources from one interface. DALI is popular in offices and commercial environments.
DMX (Digital Multiplex) is also a lighting standard. They control intelligent lighting and are popular in stage lighting where it uses colour programmable lighting fixtures.