EVERYDAY OPERATIONS XI581/2 BUSWIDE OPERATOR INTERFACE
EN2B-0126 (74-3554-8) 30
Table 6. Trend Log in Tabular and Graph Format
Trend Log in Tabular Format Trend Log in Graph Format
RESULT: The display window shows the trend
log for the selected point in a tabular
format.
RESULT: The display window shows a graph.
Trend Buffer Exhaust_fan
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First column—The date that the point's condition
or value changed. The date appears in
Date.Month.Year (DD.MM.YY) notation
where DD=1-31, MM=1-12, and YY=the
last two digits of the year.
Second column—The time that the point's con-
dition or value changed. The time appears
in 24-hour (HH.MM) notation where
HH=00-23 and MM=00-59.
Third column—A description of the change that
took place.
Maneuver the graph using the following keys:
Key Graph Function
plus Zooms in on graph.
minus Zooms out on graph.
left or right
arrow keys Scrolls graph left or right.
Enter (
↵) Switches the trend log from a
graph format to a tabular format.
You can add an additional point to the trend log
graph as long as the two points are different point
types. For example, the first point is an analog
point and the second point is a digital point.
With the graph of the first trend point displayed,
press Cancel (C) to switch back to the list of points
whose activity is recorded in a trend log.
Press the up and down arrow keys to highlight the
additional point whose trend log you want to view.
Then press Enter (
↵) to complete the selection.
RESULT: The display window shows the trend
log for the selected points in a graph
format.
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4. Press Cancel (C) to return to the trend log point list. When you are finished,
repeatedly press Cancel (C) to step backwards and to return to the Main Menu.
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