Comport's Display Scan Tag Count.  Describes the number of Tags on all Devices on a Comport using the Display Scan-type.   Display Scan means the Tag is only scanned when a Graphic Display it is on is opened by a user (or a called in the Point Info Dialog Box). This is useful for optimizing communication load. See also 4.2.6 Scan Type, 3.3 Communication Ports and 3.4 Device Configuration.