Figure 1: Operator workstations display system graphics populated with real-time data. Visualizing BACnet By Roland Laird ® tor workstation (OWS). The user experience varies with each vendor’s OWS as Commonly, the building operator uses the OWS for viewing graphic displays of BACnet does not describe how user operations are performed. A BACnet OWS either floor plans or mechanical systems populated with real-time data. The OWS needs to perform every task, as much as possible, in an interoperable way so is the primary window into the current operation of the entire building autothat the OWS can be used with any vendor’s controllers. It is also desirable that mation system (BAS). Animations and actions performed at one vendor’s workstation can be seen and reversed, if About the Author necessary, at another vendor’s workstation. November 2009 Roland Laird is president of Reliable Controls in Victoria, BC, Canada. W This article provides the reader with a basic understanding of the standard capabilities of BACnet for performing hat a BACnet system looks like and how it can be used generally depends eight typical building operations. System Graphics on the capabilities of the system’s BACnet controllers and the opera- B A C n e t ® To d a y | A S u p p l e m e n t t o A S H R A E J o u r n a l