ANSI/ASHRAE BACnet 135-2008 Offers Guidance to Reduce Building Energy Consumption on Demand
February 3, 2009 // Published as a news service by IHS
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American National Standards Institute (ANSI)/American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc. (ASHRAE) 135-2008 - A Data Communication Protocol for Building Automation and Control Networks (BACnet) contains new guidance related to the load control object, an extension to reduce a building's energy consumption on demand.
According to ASHRAE, this is a key element of the integration of energy utilities and buildings to reduce or eliminate brownouts and blackouts from energy grid overload.
The standard also covers:
- The Access Door object, the first of the extensions to fully support physical access control.
- Improvements in requirements on BACnet protocol devices.
- New capabilities, such as BACnet web services, which are being considered for energy utility-building communications.
- A standardized and interoperable means to record alarms.
"The 2008 version of the standard incorporates many years of work by the BACnet committee," said immediate past chair Bill Swan.
"This includes material first published a couple of months ago. It replaces the 2004 version as the standard for BACnet technical and specification efforts," he said.
Source: American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc.(ASHRAE).