such as modems disk arrays printers scanners and other devices examples of individual workstations 102 for each of the systems 104 106 and 108 include the insight u00ae workstation available from siemens building technologies inc the control station 102 may request data from individual systems 104 106 and 108 and elements and or component thereof the data may be processed and displayed for user feedback monitoring and control by way of example temperature measurements from a temperature sensor or operational status information from a smoke sensor or motion sensor may be displayed the processing circuit obtains the data from the relevant system 104 106 and 108 via a communication interface and then displays the information on a display such as a video monitor the control station 102 may perform specific commands to one or more elements of the systems 104 106 and 108 such as a change to a parameter of operation of a particular ventilation damper or of a chiller plant the control station 102 may also perform automated control operations for any of the systems 104 106 and 108 the control station 102 may also receive event messages from devices on each of the systems 104 106 and 108 the control station 102 displays event condition information responsive to the event messages in addition the control station 102 may cause other action in the event of certain alarms fig2 illustrates an example of a visual alert.