Optigo Networks Blog

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What is a BACnet Who-Is/I-Am, and why do we have it?

 

An excess of Global Who-Is/I-Am messages can be devastating on BACnet networks. Particularly on a big network with lots of devices, it’s important to limit broadcasts to only the necessities. 

But Who-Is messages do play an important part in the BACnet network and, if the devices are configured properly, they needn’t overwhelm the system. Read on to find out when and why Who-Is and I-Am messages are useful — and when those messages become a problem. 

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Become a BACnet Browser Pro

 

The BACnet Browser in Visual BACnet allows you to customize the information you see and isolate the specific packets you need to solve your problem. It’s one of the most powerful features in Visual BACnet, but an often confused or overlooked one.

In this 10-minute webinar, we showed attendees how to navigate the BACnet Browser and solve common network problems. Watch the webinar, and read on for our favourite ways to leverage the Browser.

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What is a BACnet router and gateway?

 

The router and gateway play key roles in your BACnet network, and are often easily mixed up. It’s important to understand how these disparate parts communicate with one another.

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What are the most common names in the Building Automation Industry?

 

At Optigo, we love learning about industry trends: artificial Intelligence and machine learning, data tagging, the push towards personalization in our buildings… 

Another ongoing trend we’ve noticed — at all the conferences we attend, on our customer lists, in the form submissions when someone signs up for a webinar — is a lot of the same first names. We don’t have every Tom, Dick, and Harry in our database, but it does feel like we have every Tim, David, and Michael. 

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Common BACnet IP and Ethernet issues

 

There are many different issues that can crop up on IP and Ethernet networks. 

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Common BACnet MS/TP issues

 

It is a truth universally acknowledged, that an MS/TP network rife with problems probably has bad wiring. 

MS/TP has been a foundation for building automation for a long time. While many newer buildings are shifting towards IP and Ethernet, lots of old structures are slower to move away from their traditional, hardwired roots. Once the building is up, it’s hard to alter the network’s foundation without a serious overhaul. There’s also an “if it ain’t broke, don’t fix it” attitude in the industry, and a lot of professionals don’t see MS/TP as “broke.” 

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Project haystack and tagging — explained.

 

In building automation, there’s a growing — and very apparent — need for Project Haystack and tagging. 

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Which is “better”? BACnet, LonWorks, Modbus, or KNX

 

BACnet gets compared to a lot of other protocols on the market, including LonWorks, Modbus, and KNX. In this article, we break down the advantages and disadvantages of each protocol. Be sure to check out our articles on each of the protocols: LonWorks, Modbus, KNX, and a few reasons we think you should adopt BACnet

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Learn to troubleshoot with Visual BACnet

 

Have a troublesome network and a pcap file, but don’t know where to start with Visual BACnet? 

Our team of BACnet buffs has seen just about every BACnet issue under the sun. They regularly field questions on the best ways to filter, drill down, and pinpoint problems in Visual BACnet. 

To help, we recently hosted a webinar to troubleshoot submitted pcap files, live. Our presenters, Monica McMahen, Daniel Tan, and Ryan Hughson, walked through the files with step-by-step instructions and insights.