Building Automation Systems 101: All the Basics You Need To Know

Building Automation Systems 101: All the Basics You Need To Know

Building automation systems are one of the most important pieces of technology in modern buildings. They allow businesses and homeowners to control things like heating, cooling, ventilation, and more with the touch of a button. In this article, we will discuss all the basics you need to know about building automation systems. This will cover topics like what they are, how they work, and some of the benefits they provide. Read on.

What Is Building Automation Systems?

Building automation systems (BAS) are designed to manage and monitor a building’s environmental and security systems. Building automation systems can control everything from heating and cooling to lights and door locks. A properly installed business automation system can save businesses money by reducing energy consumption, improving security, and increasing comfort levels.

The building automation system monitors and controls a range of other electronic systems. It enables these disparate devices to communicate across platforms, software languages, and more, all with the help of one central monitoring station that you can view in your home or office through an online interface.

How Does A Building Automation System (BAS) Work?

A building automation system is a computer-based system that controls and monitors building functions such as heating, cooling, ventilation, lighting, and security. The main purpose of a building automation system is to improve energy efficiency and occupant comfort in a building. Most building automation system has five main components:

Input Devices

Many different types of input devices can be used with a building automation system. The most common type is the switch, which is simply a device that is turned on or off. Switches can be mounted in a variety of locations, including walls, floors, and ceilings. Sensors detect environmental conditions such as temperature, humidity, light levels, and occupancy.


One of the most important aspects of a building automation system is the controller. The controller is responsible for gathering data from sensors in the building, processing that information, and then sending commands to actuators to control equipment or systems. There are many different types of controllers on the market, but they all do the same thing. Some controllers are designed specifically for certain applications, such as HVAC or lighting control, while others can be used for a variety of applications.

Output Devices

Output devices are one of the components of a BAS, and the one that most people are familiar with. Output devices can include everything from light switches to thermostats to blinds. They take instructions from the BAS and turn them into action, allowing you to control your building’s environment.

Communications Protocols

One of the most important aspects of a building automation system is the communications protocol. This is what allows devices to communicate with each other and tell one another what to do. There are many different protocols available, but two of the most common are BACnet and LonWorks. Which protocol you choose will depend on your needs and preferences. If you want a system that’s easy to use and compatible with a wide range of devices, BACnet is probably the best option. If you need more flexibility or want to connect to devices that aren’t BACnet-compatible, LonWorks might be a better choice.

User interfaces (UI)

The user interface is like a window that displays data visually. It could be any kind of device, whether it’s computer or web-based, and doesn’t need to run control programs, instead all information comes through input devices in one place.

How Can Building Automation System Help You?

Building automation systems can help you manage your building’s energy use, comfort, and security. They do this by automating tasks like regulating the temperature or turning lights on and off. BAS also monitors your building’s environment, so you can be alerted to any changes that need your attention. For example, if the humidity in a room gets too high, BAS will send an alert telling you to take action. This kind of monitoring can save you money in the long run by helping you avoid costly problems with your building infrastructure. In addition to energy savings and improved comfort and security, BAS may also qualify buildings for tax breaks or LED certification points.

What Are Some Systems Controlled By BAS?

A building automation system typically controls the heating, ventilation, and air conditioning (HVAC) systems, fire alarm systems, security systems, lighting control systems, and energy management systems. In some cases, a BAS may also control other building subsystems such as water treatment or waste management. By automating these systems, you can improve your building’s efficiency and save on energy costs. They can also help ensure that your building is safe and secure.

We’ve gone over the basics of building automation systems and how they can help you. If your system sounds like it could be improved upon with automation systems integration, then call us today. We can help you find out how much time your team spends on routine tasks so they have more free time to work on projects that will make a difference in your company’s success.

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