Saturday, November 7, 2009

Alarm Summit II day 2

We're into day 2 of the second BACnet Alarm Summit. The Alarm Summits are 3-day meetings of BACnet experts meeting to define, revise and enhance the BACnet alarm system, based on our experience of BACnet alarming from our own systems (those of us representing manufacturers) and of others' devices and systems. We have found some elements were not sufficiently clearly defined in the BACnet standard (such as normal/offnormal - fault transitions), and we would like new capabilities not anticipated by the original standard.

Yesterday we went through an exhaustive document titled "General Alarming Concepts" (RK-004-1) produced by René Kälin, discussing the issues, making initial determinations and deciding the items to be on today's agenda. Already two items are resolved.

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