Rockwell Automation FactoryTalk Historian SE ProcessBook 3.2 User Guide - Manual (Page 140)

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FactoryTalk Historian ProcessBook User Guide
122
To remove one trend cursor but not all of them, click the trend cursor and
drag it to the left or right until it moves off of the trend.
Change Time Range
Scroll time ranges directly on a trend by using the Step Forward or
Backward buttons on the time scale. These time changes are not
saved with the symbol.
Use the Revert button , located next to the time scale, to return the
trend to its configured settings.
If the trend is too small these buttons may not appear. Expand the trend's
size to display hidden buttons.
You can also use buttons on the Time Range (page 201) toolbar to modify
time configurations settings.
How Trends Refresh
If the end time of the trend is current (*) or future (for example, *+1h), and
trend cursors are off, then the trend updates whenever information is sent
from the machine instrumentation to the FactoryTalk Historian Archive at
a configurable update rate (5 seconds by default).
A dashed line on the plot time grid of the trend indicates the current time
and that the plot is updating. If the information has not changed at the
instrumentation sensor, the trend shows a flat line from the last update to
the current time (the dotted line).
You can force a refresh by clicking the Revert button.
If desired, a FactoryTalk Historian System Manager can change the seven-day
updating time range limit to another interval on your computer.