GE Multilin 489 Instruction Manual page 100

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Courtesy of NationalSwitchgear.com
With EnerVista 489 Setup running and communications established,
Select the Actual Values > Trending menu item to open the trending
window.
The following window will appear.
To prepare for new trending,
Select Stop to stop the data logger and Reset to clear the screen.
Select the graphs to be displayed through the pull-down menu beside
each channel description.
Select the Sample Rate through the pull-down menu.
If you want to save the information captured by trending,
Check the box besides Log Samples to File.
The following dialog box will appear requesting for file name and path.
The file is saved as 'csv' (comma delimited values) file, which can be
viewed and manipulated with compatible third-party software.
Ensure that the sample rate is not less than 5 seconds, otherwise, some
data may not get written to the file.
CHAPTER 4: INTERFACES
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL