Tag Archives: BACnet

George’s CBAS Tips, July 2018

 

The Importance of the Probe in BACnet

When setting up 485 communication to a BACnet device like an AHU, it is important that you Probe it. This gets you some important information:

  1. Instance number is a good thing because if you add it to the program screen of the controller, it connects much faster when CBAS is restarted. Instance is usually provided in the Probe file but can sometimes have a different name.
  2. A Probe gets you the list of points that are on the AHU controller. Then you can add them from the Probe file easily by clicking the controller then click Add Points From Probe File.
  3. Perhaps the most important advantage to probing is that it automatically sets a few parameters to be used by CBAS that can improve performance. Note that you can alternatively set these parameters manually.if probing isn’t possible The most useful of these settings are are COV and Read Multiple. COV is Change of Value and if it is available, it sends any changes in value to the host. Read Multiple reads up to 14 points at a time. By default, CBAS only reads one point at a time unless you have Read Multiple set.

Continue reading George’s CBAS Tips, July 2018

 

George’s CBAS Tips, March 2018

George HingleAs a part of our services, Computrols offers 24/7 phone support to all of our customers. If you have ever taken advantage of this offering, you have likely spoken to our Technical Support Manager, George Hingle. George has been employed by Computrols for over 15 years and is one of our most knowledgeable team members when it comes to troubleshooting in CBAS. As a means building on our already robust FAQ page, George has agreed to share some common challenges he sees in our newsletter each month. Continue reading George’s CBAS Tips, March 2018

 

Computrols Joins BACnet International

BACnetComputrols is now a Silver Member of BACnet International, an industry association that facilitates the successful use of the BACnet protocol in building automation and control systems through interoperability testing, educational programs and promotional activities. We are eager to continue testing our products through BACnet Testing Labs (BTL) and gaining more exposure through our membership. Continue reading Computrols Joins BACnet International