R.9.21
Date Code 20111215 Reference Manual SEL-421 Relay
ASCII Command Reference
Description of Commands
EVE Command Option Combinations
You can combine options C, L, Lyyy, n, NSET, NSUM, and Sx, in one
command. Enter the options according to the following guidelines:
➤ The Lyyy option overrides the C option.
➤ The Sx option overrides the L option.
➤ When choosing option A or option D as a report type, you
cannot use option C to specify the report length at 15 cycles.
Use option Lyyy at L015 to specify a 15-cycle report.
➤ Enter the options in any order.
Tab le 9.58 lists the choices you can make in the EVE command. Combine
options on each row, selecting one option from each column, to create an EVE
command.
The following examples illustrate some possible option combinations:
FILE
The FILE command provides a safe and efficient means of transferring files
between intelligent electronic devices (IEDs) and external support software
(ESS). The FILE commands are especially useful for retrieving high-
resolution sampled data in binary COMTRADE format from the relay. For
examples of retrieving data captures from the relay, see Reading
Oscillograms, Event Reports, and SER on page U.4.42. For more information
on the FILE command, see Virtual File Interface on page R.5.11.
Table 9.58 EVE Command Option Groups
Acknowledge
Event
Number
Data
Resolution
Report
Type
Report
Length
Omit
ACK
n, NEXT Sx, L C, A, D Lyyy, C NSET,
NSUM
Table 9.59 EVE Command Examples
Example Description
EVE L010 S8 Return 10 cycles of an 8-samples/cycle event report for the most
recent event.
EVE L10 A Return 10 cycles of the analog portion only of the most recent
event report at 4-samples/cycle resolution.
EVE 2 C NSUM For the second most recent event, return the event with 8-samples/
cycle data, and omit the event summary.
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