Data processing: measuring – calibrating – or testing – Measurement system – History logging or time stamping
Reexamination Certificate
2007-10-16
2007-10-16
Barnes, Crystal J. (Department: 2121)
Data processing: measuring, calibrating, or testing
Measurement system
History logging or time stamping
C702S188000, C700S009000, C700S012000, C700S017000, C700S019000, C707S793000, C709S218000, C709S219000, C340S003100
Reexamination Certificate
active
11416307
ABSTRACT:
A building control system, such as an HVAC system, has a field unit incorporating a control panel (a field panel) with a local user interface allowing user selected parameters for collecting trend information when the system detects a change of value for a point in the system or a timed instruction in the memory of the field panel to begin collecting trend data for a point. The resulting trend data collected by the field panel can be uploaded to a workstation in the building control system, where the trend data can be formatted into a report, and then digitally authenticated.
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Brindac Christine M.
Martin Nellie
Skowron John M.
Barnes Crystal J.
Siemens Building Technologies Inc.
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