Configuring the Wonderware Historian Source block
Properties
Connection
The data source provider for this Wonderware Historian.
Click here for an example on setting up a Data Link source to the Wonderware Historian >>
Hide System Fields:
Set Yes to hide the systems fields listed in the System Status Tags table, No to show the system fields in the selection list.
Data Retrieval:
Specifies how data is retrieved from Wonderware Historian (Delta or Cyclic).
Time Deadband:
Specifies the time deadband that controls the time resolution of data returned. Any change that occurs within the time deadband (in seconds) will not be returned.
Value Deadband:
Specifies the value deadband that controls the value of resolution of data returned. The value is a percentage of full scale, in engineering units. The range for this value is from 0 to 100.
Sampling Period:
Polling interval in seconds to read data from the physical media the minimum value is 1.
Import Options:
The following two options are available for this setting:
-
Use only data in this time window:
Allows users to specify a window start and end time for importing data -
Use the latest data available:
Allows users to import the most recent data by specifying a duration
Window Begin Time
Specifies the start of the time window for the selected tags (See Import Options above).
Window End Time
Specifies the end of the time window for the selected tags (See Import Options above).
Duration:
The duration of the data import window (See Import Options above).
Select TAB
The select tag allows the user to browse the hierarchical tag namespace in the configured Wonderware Historian server. Select a group to view the tags for the selected group and use the add and remove buttons to add fields from a selected group to the list of Selected fields.
Preview TAB
The Preview TAB provides a sample preview of the data set as read using the currently specified properties.
Related topics: