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Dear List, At the Automation Fair in Long Beach, CA. today, (12/8), I attended a seminar hosted by very intelligent man who was pushing his, "PLC Control For Building Systems." It all sounded nice until it was mentioned that it is all connected via "BACNET." Although he also mentioned that other standards can be tied in, I am concerned about this "BACNET" protocol. I have never heard of it. Has anyone out there had any history with "BACNET"??? This is important for us, as we are dumping the "Johnson Controls" for part of the plant and possibly going with "Lonworks." I, for one, would love to see building systems run by PLCs, as it would keep all the work, "in house". (Our facility techs can handle PLCs + programming with no problem.) Versus "Lonworks" which would be another vendor supported product like "Johnson Controls." I'm really looking forward to opinions from you all. Scott Jensen [email protected]