A Practical Introduction to the BACnet Protocol
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A Practical Introduction to the BACnet Protocol

Learn the fundamentals of the BACnet protocol using both a theoretical and practical approach
4.3 (25 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
133 students enrolled
Created by Emile Ackbarali
Last updated 5/2017
Current price: $10 Original price: $75 Discount: 87% off
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  • 2 hours on-demand video
  • 1 Supplemental Resource
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Acquire an appreciation for the creation of the BACnet protocol
  • Understand the concept of Devices, Objects and Properties within BACnet
  • Understand the data is transferred on BACnet MS/TP and BACnet/IP networks
  • Simulate a BACnet/IP network on a single computer using Simulation applications
  • Simulate the reading of BACnet data via Change-Of-Value
  • Simulate the setting of BACnet properties via Service Requests
  • Understand the concept of BACnet Services
  • Connect to a physical BACnet MS/TP device from a PC running a BACnet explorer application
  • Read data from and write data to a physical BACnet MS/TP device
View Curriculum
  • Working knowledge of the process control devices in a typical Process Automation or SCADA system
  • Basic working knowledge of the Modbus RTU protocol.
  • Basic understanding of binary systems and computer memory

BACnet stands for "Building Automation and Control Network". 

With the issue of energy conservation on the rapid rise around the world, thousands of buildings have monitoring systems in place to measure and maximize energy efficiency. This is done by the effective centralized monitoring and control of systems like Lighting, Security, Air-Conditioning, Heating, and so much more. 

The BACnet protocol is used heavily to interconnect that type of equipment in buildings so that energy efficiency goals can be achieved. Thousands of buildings in the US, Europe and around the world use BACnet. 

You should get to know this protocol as it will allow you to expand your expertise and opportunities in the field of Building Automation.

There is quite a bit of info on BACnet available on the Internet, but not much showing BACnet communications in a very practical way. And that's what I am going to do in the course. 

At the end of my course, you are not only going to understand the BACnet theory but I am going to show you how to use BACnet hardware and software in my usual practical approach. 

Who is the target audience?
  • Electrical Engineers
  • Electrical Technicians
  • Electrical Tech or Engineering Students
  • Process Control Technicians and Engineers
  • Process Automation Engineers
  • Programmers working in the Process Automation field
Compare to Other Build Automation Courses
Curriculum For This Course
25 Lectures
1 Lecture 05:04
BACnet Theory: Objects, Properties and Devices
6 Lectures 30:15

The strategy of using the Modbus protocol as a jumping off point for BACnet theory is explained. 

Preview 03:24

A typical Modbus scenario is used to open the way into the theory behind BACnet. - Part 1

BACnet Theory Basics using a Modbus example - Part 1

A typical Modbus scenario is used to open the way into the theory behind BACnet. - Part 2

BACnet Theory Basics using a Modbus example - Part 2

Using Modbus as a jumping off point once again, the method in which BACnet devices store data in their memory is explored.

Introducing the Concept of a Property and an Object

The concept of Object Types is explored in this lecture, as well as the need for multiple properties within a single object.

More on BACnet Properties and Objects

A single device can have multiple Objects of the same type. Each object is referred to as an instance of the object and will have a unique identifier. 

Understanding Object Instances and Devices
Downloading the BACnet Software Application
1 Lecture 03:45

This application is known as a BACnet Explorer application which is essentially a client application with the ability to "explore" a BACnet network.

Preview 03:45
Simulating BACnet Device Communication using Yabe
5 Lectures 29:12

The Yabe BACnet explorer is started as well as the BACnet device simulator application. Then an initial connection is made between the two. 

Establishing Communications between Devices

The properties of the device and analog input objects are explored and explained.

Preview 06:09

The properties of the analog value and binary input objects are explored and explained.

Looking at the Analog Value and Binary Value Objects

The properties of the multi-state value and character string objects are explored and explained.

Looking at the Multi State Value and String Objects

Setting up the Yabe application to performing real-time monitoring of the device simulator is illustrated.

Setting up Real-Time Monitoring
BACnet Theory: Network Types
3 Lectures 16:55

An examination of the BACnet protocol layering model and comparison with the standard OSI model.

BACnet Protocol Network Layering

The two main types of BACnet networks in the field are MS/TP and IP. How both of them work is explored in this lecture.

BACnet MS/TP and BACnet/IP

BACnet routers and gateways allow for the creation of BACnet internetworks. 

BACnet Routers and Gateways
Connecting to a Physical BACnet MS/TP Device
5 Lectures 17:17

A look at what we are going to do in this very practical section.

What we are going to do in this Section

A look at the connection from the BACnet device through the USB-toRS485 converter and then to the laptop running Yabe.

A Look at the Equipment on my Workbench / Desk

Yabe is used to connect to the MS/TP network and discover the DIO device. The device is then interrogated to acquire all of the objects.

Connecting to and Discovering the BACnet MS/TP Device using Yabe

The properties of the device - binary input, binary output, analog value, device - are examined.

A Closer Look at the Objects and their respective Properties

The inputs on the device are actuated as well as outputs are written to using the Yabe application.

Reading Inputs / Writing to Outputs via BACnet MS/TP on the Device
Understanding BACnet Services
3 Lectures 17:52

BACnet services are introduced using commands in Modbus as a jumping off point.

Introducing BACnet Services using Modbus as a Reference

The most commonly used BACnet services are singled-out and their operation examined in detail.

Looking at Key BACnet Services in more Detail

The Yabe Explorer and the Room Simulator are once again used to simulate a BACnet conversation. But this time, the focus is on the services being execute from user actions.

Using Yabe and the Room Simulator to Examine BACnet Services Practically
1 Lecture 02:52

What to do next to keep further solidify learning.

The End - Where To Go From Here
About the Instructor
Emile Ackbarali
4.5 Average rating
1,113 Reviews
2,686 Students
13 Courses
Software Developer, Systems Integrator and Entrepreneur

I have been working in the fields of Software Development, Software Systems Integration and Process Automation since 1996. In 2003, I stepped out on my own and started working for myself providing software development and systems integration services to small and medium businesses.

I am also associated with a great company called Mora Systems Limited that under the leadership of it's Managing Director has produced innovative and outstanding products and services in the fields of GIS and Cellular based SCADA.

Teaching has always been a passion for me. I have taught at the tertiary level for many years on the subjects of programming, control systems as well as systems integration. In the last few years I found myself incorporating more and more videos into the curriculum with amazing results.

When I heard of uDemy I just could not help but sign up. With teaching in a classroom, you can reach only so many students, but with uDemy you can reach the world! I plan to publish and promote as many courses as I possibly can on the uDemy platform.