BMS stands for Building Management System, which is a computer-based control system that is used to manage and monitor various building systems, including heating, ventilation, air conditioning (HVAC), lighting, and security. BMS sensors are the devices that provide input to the BMS, allowing it to monitor and control these building systems.

KNX and DALI are two types of communication protocols that are commonly used in BMS systems. KNX (Konnex) is an open standard for commercial and residential building automation, and it is used to control lighting, heating, and other building systems. DALI (Digital Addressable Lighting Interface) is a protocol that is specifically designed for lighting control and is used to manage lighting levels, color, and other lighting attributes.

BMS sensors can be used with both KNX and DALI systems to provide input to the BMS, allowing it to control and monitor building systems more effectively. For example, a light sensor can be used with a DALI system to monitor the ambient light levels in a room and adjust the lighting levels accordingly.

Overall, BMS sensors are an important component of building management systems, allowing for more efficient control and monitoring of building systems. The use of communication protocols such as KNX and DALI can enhance the capabilities of BMS systems, providing more advanced control and monitoring of building systems.