Vertex 4 is a DALI-2-certified application controller for managing luminaires and input devices compliant with the DALI-2 standard. It supports up to 384 DALI-2 addresses across 3 ports (64 luminaires + 64 control devices per port). It features advanced logic programming, Ethernet-based scalability, and a built-in web interface for commissioning. It is also equipped with electronic over-voltage protection (up to 280 V AC and 300 V DC), detachable terminal plugs, Wi-Fi connectivity, and support for power and Ethernet daisy chaining. Fully backwards compatible with Vertex 3 (LMS E2D VERTEX APC G3), it enables seamless integration and upgrades.