Data Logging
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The Visual Substation data log is a true historian and is designed
to provide a complete record of all substation data, alarms and
events—
- Log all events and alarms
- Log all transitions, on all data points, analog and binary
- Log all tag operations
- Disable logging of selected data points
- Use individually configurable deadbands to limit the amount of
recorded data
- Field-proven performance with up to 100K data points and up to 10K
sustained transitions per second
- Supports millisecond timestamping and data quality
- Supports out-of-sequence data
Historical Trends
Use the Historical Chart View to display the historical trend for
any data point—
- Select standard time frames such as "Yesterday" or "This week", or
specify your own
- Use the Zoom function and measurement cursors to analyze the selected
time range
- Export selected data to a text file for analysis
Alarm and event history
Use the Query View to display historical lists of alarms and
events—
- Select standard time frames such as "Yesterday", "This week", or
specify your own
- Select standard queries such as "All events today", "All alarms
today", or build your own query using the Historical Query Wizard
Reports
Use the built-in report generator to create historical reports for
selected data points.
Use the report generator to—
- Select among analog readings or transitions on binary data points
- Select the sampling period—seconds, minutes, or hours
- Select the time frame
- Print a report or export data in a variety of formats
- Use the built-in templates, or create your own with industry-standard
Crystal Reports
- Excel add-into access real-time or historical data
- Automatic report generation, event triggered or scheduled
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