What are the typical components of a Building Management System (BMS)?

A Building Management System (BMS) is designed to monitor and control the various mechanical and electrical systems within a building. The correct answer highlights the fundamental components that enable the BMS to function effectively.

Sensors are crucial as they collect data from the environment, such as temperature, humidity, occupancy, and CO2 levels. This data is vital for making informed decisions on how to manage heating, cooling, lighting, and ventilation in real-time. Controllers interpret the sensor data and automate control actions based on predefined programming or user input. The user interface allows operators to interact with the BMS, adjust settings, and monitor system performance. Finally, field devices, which may include actuators and valves, are responsible for executing control commands issued by the controllers, such as opening or closing dampers or adjusting fan speeds.

While the other options contain components that may be related to a building's systems, they do not encompass the comprehensive integration of elements necessary for a successful BMS. For instance, thermometers, ventilators, and damper motors are all important, but they do not represent the full array of BMS components that interact with one another. Similarly, chillers, boilers, and air handling units are part of a building's HVAC system but do not