R.9.38
SEL-421 Relay Reference Manual Date Code 20111215
ASCII Command Reference
Description of Commands
SER
The SER command retrieves SER (Sequential Events Recorder) records. The
relay SER captures state changes of Relay Word bit elements and relay
conditions. Relay conditions include power up, relay enable/disable, group
changes, settings changes, memory queue overflow, and SER autoremoval/
reinsertion. For more information on the Sequential Events Recorder, see
Section 3: Analyzing Data in the Applications Handbook.
SER
The default order of the SER command is oldest to newest from list top to list
bottom. You can view the SER records in numerical or date order.
SER C and SER R
The SER C and SER R commands clear/reset the SER records for the present
port. Options C and R are identical.
Table 9.95 RTC Command
Command Description Access Level
RTC Display report of all configured synchrophasor
client data labels.
1, B, P, A, O, 2
Table 9.96 SER Command
Command Description Access Level
SER Return the 20 most recent records from the
SER, with the oldest (highest number) at the
top of the list and the most recent (lowest num-
ber) at the bottom of the list.
1, B, P, A, O, 2
SER k Return the k most recent records from the SER,
with the oldest (highest number) at the top of
the list and the most recent (lowest number) at
the bottom of the list.
1, B, P, A, O, 2
SER m n
a
a
Parameters m and n indicate an SER number, which the relay assigns at each SER trigger.
Return the SER records from m to n.
If m is greater than n, records appear with the
oldest (highest number) at the top of the list
and the most recent (lowest number) at the bot-
tom of the list.
If m is less than n, records appear with the
most recent (lowest number) at the top of the
list and the oldest (highest number) at the bot-
tom of the list.
1, B, P, A, O, 2
SER date1
b
b
Enter date1 and date2 in the same format as Global setting DATE_F.
Return the SER records on date date1. 1, B, P, A, O, 2
SER date1 date2
b
Return the SER records from date1 at the top
of the list, to date2 at the bottom of the list.
1, B, P, A, O, 2
Table 9.97 SER C and SER R Commands
Command Description Access Level
SER C Clear/reset SER records on the present port. 1, B, P, A, O, 2
SER R Clear/reset SER records on the present port. 1, B, P, A, O, 2