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Friend or Foe? Communication Gateways.

pdf icon Friend or Foe? Communication Gateways. (4737 K)
Bushby, S. T.

ASHRAE Journal, Vol. 40, No. 4, 50-53, April 1998.


communication networks; BACnet; LonTalk; communication protocol; building automation system; gateway; energy management system; building control


Gateways play an important role in integrating building automation system components made by different manufacturers. This article explores the role gateways play in this application and describes benefits and limitations that need to be considered by building owners when evaluating the use of gateways in their building automation system. Specific examples using the BACnet and LonTalk protocols are presented.