Archive for the ‘BACnet’ Category
Tuesday, August 17th, 2010
Recently, someone posted a question on BACnet-L about how to test MS/TP using an oscilloscope. It's a good question, but one that requires more explanation than can be posted in an email response. I'm going to split this post into two parts in order to first address only the oscilloscope ...
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Sunday, January 24th, 2010
Today is the third day of BACnet meetings in Orlando, FL. Today is the first of two days devoted for the main SSPC 135 meeting.
The morning of these meetings is usually a little "slow", and I say that with all due respect. However, getting everyone on the same page with ...
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Friday, January 22nd, 2010
Today is day 2 of the BACnet meetings in Orlando. The first meeting today is the OS-WG, which as of this writing is over its allotted time. This particular working group has been tasked with tackling the very large task of the alarm and event services reboot. These discussions have ...
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Thursday, January 21st, 2010
I'm currently in Orlando, Florida. Not to visit the mouse, but to attend BACnet meetings as part of the 2010 Winter AHR Expo. BACnet is an ASHRAE standard and as such, the SSPC and the various working groups hold their meetings directly prior to the AHR show.
The working groups usually ...
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Thursday, January 21st, 2010
Over the holidays, I decided to "stake my claim" in the BACnet world by obtaining a BACnet vendor identifier from ASHRAE. For those who are unfamiliar with this process, please check bacnet.org. The process is pretty easy, all things considered. There was more paperwork involved with joining the BACnet committee!
The ...
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Saturday, December 19th, 2009
An interesting development developed recently in the wireless world. Bluetooth 4.0 was announced on December 17,2009. This version of the Bluetooth standard is aimed directly at the sensor market.
This got me to thinking. What impact this will have in the BACnet community?
Addenda 135-2008q, which introduced Zigbee as a BACnet data ...
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Monday, January 28th, 2008
As part of the winter AHR Expo, the BACnet committee and the working groups met in New York City from January 18th though January 21st.
A good time was had by all in NYC! David and I stayed at Novotel on 52nd. It was a great place, ...
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Monday, January 28th, 2008
I found myself working with C# and reading data frames from the serial port. Specifically, I'm attempting to read BACnet MS/TP data frames from a USB to RS-485 converter.
I determined that my task list was as follows:
Enumerate the available COM ports.
Open the desired COM port at the desired baud rate.
Read ...
Posted in BACnet, Windows Programming | 12 Comments »
