Date Code 20130214 Instruction Manual SEL-2414 Transformer Monitor
Section 9
Instruction Manual
Analyzing Events
Overview
The SEL-2414 Transformer Monitor provides several tools (listed below) to ana-
lyze the cause of device operations. Use these tools to help diagnose the cause of
device operations.
➤ Event Reporting
➢ Summary Reports
➢ History Reports
➢ Event Reports
➤ Sequential Events Recorder Report
➢ Resolution: 1 ms
➢ Accuracy: ±1/4 cycle
All reports are stored in nonvolatile memory, ensuring that a loss of power to the
SEL-2414 will not result in lost data (see Event Reporting for more information
on number and length of reports).
Event Reporting
Each time an event occurs, the device creates a new event summary, event history
record, and event report. Analyze events with these event reporting functions,
which are described below:
The SEL-2414 provides Compressed ASCII event reports to facilitate event
report storage and display. SEL communications processors and the
ACSELERA-
TOR Analytic Assistant
™
SEL-5601 software take advantage of the Compressed
ASCII format, as shown in Table 9.1.
Report Description
Event Summaries A summary provides a quick overview of an event. You can retrieve the
stored summaries by using the SUMMARY command. With the auto-
matic messaging enabled (port setting AUTO := Y), the device sends
event summaries out a serial port when an event occurs.
Event History The SEL-2414 stores an indexed history of event reports in nonvolatile
memory. Use the HISTORY command to obtain the event history. The
event history includes some of the event summary information with
which you can identify a specific event report.
Event Reports These detailed reports are stored in nonvolatile memory for later
retrieval and detailed analysis. Use the Event n command to obtain an
event report.
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