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9 Record and Log Management
9-4 TESLA LITE User Manual D03283R01.10
9.2 Trend Log
The trend manager services are available from the Trend ite m , accessible from
the Main Menu .
Figure 9.2: Trend Listing
Range of Dates
Set the time range using the two date control boxes, From and To . The initial
setting is for the previous three days. When you change these settings, the re-
mainder of the display updates to show data pertinent to your chosen period. If
you are connected to a TESLA LITE, both local and remote data are combined
in the tree; otherwise, the display shows only data resident on your local com-
puter.
Trended
Channel
The tree on the left side of the screen shows the channel names of the trended
data available for the period you have selected. You may select any number of
channels from the tree for further operations.
Select more than one channel by using the Ctrl and Shift keys in conjunction
with mouse clicks and arrow keys.
Trend Summary
The Trend Summary section of the screen shows statistical information about
the files you have selected. Local Files indicates the amount of space used by
the selected trend files on your local computer. Remote Files indicates the
amount of space used by the selected trend files on the IED. Transfer refers to
files that are on the IED, but not on your local computer, and represents the to-
tal amount of bytes in stored trend files that would be transferred before further
processing takes place.