Rockwell Automation FactoryTalk Historian Classic User Guide - Manual (Page 69)

Analyzing FactoryTalk Historian Classic Data Chapter 4
shown on the time-series chart. The tabs at the top of the Selected
list represent the Y-axes that are shown in our chart. For example, if
our chart contains two Y-axes, there will be two tabs at the top of the
Reporting Tags Selected list. Since we have just created this
time-series there is only one tab.
For this tutorial, let’s chart the FactoryTalk Historian Classic Demo
– Flow Rate reporting tag.
1. Expand the Reporting Tags by Report Data Source item in
the Reporting Tags Available list and find and expand the
Historian Data Point Default item. Finally, select the
FactoryTalk Historian Classic Demo – Flow Rate item.
2. Click the > button to add the selected reporting tag to the
Reporting Tags Selected list.
When creating a time-series chart, you may want to find the average
value of a reporting tag or apply some other analysis tool to the tag.
The Analysis Tools column in the Reporting Tags Selected list
shows the analysis tools that have been added to the reporting tags in
the chart.
1. To apply an analysis tool to a reporting tag in the time-series
chart, we will need to add the reporting tag to the list a second
time. Select the reporting tag from the Available list and click
the > button to add the tag to the Selected list again.
2. Now click the <None> text in the Analysis Tools column for
the second instance of the reporting tag. A list containing the
available analysis tools will display. Open the Statistics folder
and select the mean analysis tool from the list.
Step 4: Apply an Analysis Tool
Rockwell Automation Publication HIST-UM001K-EN-E-June 2014 69