Building Automation is monitoring and controlling a building’s systems including: mechanical, security, fire and flood safety, lighting, heating, ventilation, and air conditioning. Smart building technologies can improve buildings’ energy efficiency and indoor environmental quality. Smart Building: A building that provides a productive and cost-effective environment through optimization of its four basic components - structure, systems, services and management - and the interrelationships between them."
CORE FUNCTIONS OF A BUILDING AUTOMATION SYSTEM:
1. TO CONTROL THE BUILDING’s ENVIRONMENT.
2. TO OPERATE SYSTEMS ACCORDING TO OCCUPANCY AND ENERGY DEMAND.
3. TO MONITOR AND CORRECT SYSTEM PERFORMANCE.
4. TO ALERT OR SOUND ALARMS WHEN NEEDED.
HOW DO BUILDING AUTOMATION SYSTEMS WORK?
SENSORS: Devices that measure values such as CO2 output, temperature, humidity, daylight or room occupancy.
CONTROLLERS: The brains of the systems that take data from sensors and decide how the system will respond.
OUTPUT DEVICES: These carry out the commands from the controller. Examples: relays and actuators.
COMMUNICATIONS PROTOCOLS: The language spoken among the components of the BAS.
DASHBOARD OR USER INTERFACE: Screens or interfaces humans use to interact with the BAS where building data are reported.
Building Automation System:
Complete autonomous control of an entire facility is the goal that any modern automation system attempts to achieve. The distributed control system - the computer networking of electronic devices designed to monitor and control the mechanical, security, fire, lighting, HVAC and humidity control and ventilation systems in a building or across several campuses.
Building automation describes the advanced functionality provided by the control system of a building.
Security/Monitoring - automatically scanning for unauthorized access, and maintaining monitors for security cameras.
A building automation system is an example of a distributed control system.
Fire/Smoke alarms - automatically monitoring the building for issues with fire and smoke, alerting the appropriate people, and logging incidents.
The control system is a computerized, intelligent network of electronic devices designed to monitor and control the mechanical, electronics, and lighting systems in a building.
Keeps the building climate within a specified range
Internal Communications - automatically providing access and control to internal communications systems like intercoms, and phones.
Lights - automatically turning lights on at certain times, and turning off lights after certain hours. alarm facility managers in the event of a malfunction
Monitors system performance and device failures
Provides malfunction alarms (via email and/or text notifications) to building engineering/maintenance staff
Reduces building energy and maintenance costs when compared to a non-controlled building.
A building controlled by a Building Automation System is often referred to as an intelligent building or a smart home.
A building with a building automation system has up to 30% lower energy and maintenance costs.
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WHY ARE BUILDING AUTOMATION SYSTEMS USEFUL:
COMFORT AND PRODUCTIVITY: Smarter control of the building’s environment keep occupants happier. It also reduces complaints and resolution time.
SAVING MONEY: A Building Automation System can save a building owner a significant amount of money on utility bills, since a more energy-efficient building simply costs less to run.
ENVIRONMENTALLY FRIENDLY: Building Automation System efficiencies equate to a reduced environmental impact which means better air quality for everyone.