Rockwell Automation FactoryTalk View Site Edition Users Guide User Manual
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Tag-related limits
A graphic display can contain up to a total of 3000 connections, whether they originate
from the expressions or the tags.
Each expression associated with an object is counted as one connection regardless of
the number of tags in the expression.
Each animation of an object (except the Touch animation) is counted as one
connection.
Each connection in the Connections property of an object that is linked to a tag is
counted as one connection.
Each pen configured in a Trend object is counted as one connection.
Duplicate references of the same expression or tag connection are counted as the
additional connections. For example, one display can contain up to 3000 numeric
inputs, even if all numeric input objects refer to the same tag.
Updating tag values continuously
You can set up a numeric or string input object to show a tag’s value and update the value
continuously. At run time, the appearance of a continuously updating input object changes
to reflect which mode it is in.
When the input object is showing a value from the programmable controller or server, it
has a dotted border:
This is called display mode.
When a value is entered in the input object, but the value is yet to be downloaded, it has a
solid border:
This is called pending write mode.
Tags associated with embedded variables do not count towards the limit.