Rockwell Automation FactoryTalk Historian Classic User Guide - Manual (Page 82)

Chapter 4 Analyzing FactoryTalk Historian Classic Data
2. The Timestamp field will default to a date and time nearest to
where you right-clicked in the time-series chart. Select the
exact date and time to which you want the X-axis comment to
be applied.
3. Use the lists in the Line Properties area to specify the color,
style, and thickness of the line that will be used to indicate
your start of batch.
4. Enter the text of your comment, which is restricted to 255
characters.
5. Click OK to save your comment and close the dialog box. The
comment is saved in the report object along with the
date/time when the comment was added and the ID of the
user who entered the comment.
On future displays of this time-series chart, a vertical line and
numbered yellow marker will indicate the annotated value. When
the report user hovers the mouse pointer over the annotated value, a
tool tip will display the text of the comment. The X-axis comment
will be displayed only on the report object where it was created
A Y-axis comment is a comment that is associated with a specific
value on the chart and is not associated with a reporting tag. The
Y-axis comment provides a value limit on the report object. For
example, when tracking the temperature during a batch process, a
Y-axis comment allows you to indicate the maximum acceptable
temperature for the batch process.
1. Right-click the maximum temperature in the chart and select
Add Comment >Y-Axis from shortcut menu to display the
Y-Axis Comments dialog box. This dialog box will allow you
to enter a Y-axis comment for the time-series chart.
Y-axis Comments
82 Rockwell Automation Publication HIST-UM001K-EN-E-June 2014