Sel SEL-421 - His; HIS C and HIS R; HIS CA and HIS RA

R.9.23
Date Code 20111215 Reference Manual SEL-421 Relay
ASCII Command Reference
Description of Commands
HISTORY
The HISTORY command displays a quick synopsis of the last 100 events that
the relay has captured. The rows in the HISTORY report contain the event
serial number, date, time, location, maximum current, active group, and
targets. See Event History on page A.3.31 for the HISTORY report format.
HIS
Use the HIS command to list one-line descriptions of relay events. You can
list event histories by number or by date.
HIS C and HIS R
The HIS C and HIS R commands clear/reset the history data and
corresponding high-resolution/event report data on the present port. Options C
and R are identical.
The relay prompts,
Are you sure (Y/N)? when you issue the HIS C and HIS
R commands. If you answer Y <Enter>, the relay clears the present port
history data.
HIS CA and HIS RA
The HIS CA and HIS RA commands clear all history data and event reports
from memory. Use these commands to completely delete high-resolution/
event report data captures.
Tabl e 9. 62 HEL P Co mma nd
Command Description Access Level
HELP Display a list of each command available at the
present access level with a one-line descrip-
tion.
1, B, P, A, O, 2
HELP command Display information on the command com-
mand.
1, B, P, A, O, 2
Table 9.63 HIS Command
Command Description Access Level
HIS Return event histories with the oldest at the
bottom of the list and the most recent at the top
of the list.
1, B, P, A, O, 2
HIS k
a
a
Parameter k indicates an event number.
Return the k most recent event histories with
the oldest at the bottom of the list and the most
recent at the top of the list.
1, B, P, A, O, 2
HIS date1
b
b
Enter date1 and date2 in the same format as Global setting DATE_F.
Return the event histories on date date1. 1, B, P, A, O, 2
HIS date1 date2
b
Return the event histories from date1 to date2,
with date1 at the bottom of the list and date2 at
the top of the list.
1, B, P, A, O, 2
Table 9.64 HIS C and HIS R Commands
Command Description Access Level
HIS C Clear/reset event data on the present port only. 1, B, P, A, O, 2
HIS R Clear/reset event data on the present port only. 1, B, P, A, O, 2