Schweitzer Engineering Laboratories SEL-311C - Page 385

10.23
Date Code 20060320 Instruction Manual SEL-311C Relay
Serial Port Communications and Commands
Command Explanations
The output from an SEL-311C is shown:
=>MET E <Enter>
SEL-311C Date: 03/01/00 Time: 15:11:24.056
EXAMPLE: BUS B, BREAKER 3
MWhA MWhB MWhC MWh3P MVARhA MVARhB MVARhC MVARh3P
IN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
OUT 36.0 36.6 36.7 109.2 5.1 5.2 5.3 15.6
LAST RESET 02/10/00 23:31:28.864
=>
Reset the energy values using the MET RE command. For more information
on energy metering, see Energy Metering on page 8.28.
MET M—Maximum/Minimum Metering
The MET M command displays the maximum and minimum values of the
following quantities:
To view maximum/minimum metering values, enter the command:
=>MET M <Enter>
The output from an SEL-311C is shown:
=>MET M <Enter>
SEL-311C POTT Date: 10/12/99 Time: 16:22:04.372
EXAMPLE: BUS B, BREAKER 3
Max Date Time Min Date Time
IA(A) 196.8 10/01/99 15:00:42.574 30.0 10/01/99 14:51:02.391
IB(A) 195.0 10/01/99 15:05:19.558 31.8 10/01/99 14:50:55.536
IC(A) 200.4 10/01/99 15:00:42.578 52.2 10/01/99 14:51:02.332
IP(A) 42.6 10/01/99 14:51:02.328 42.6 10/01/99 14:51:02.328
IG(A) 42.0 10/01/99 14:50:55.294 42.0 10/01/99 14:50:55.294
VA(kV) 11.7 10/01/99 15:01:01.576 3.4 10/01/99 15:00:42.545
VB(kV) 11.7 10/01/99 15:00:42.937 2.4 10/01/99 15:00:42.541
VC(kV) 11.7 10/01/99 15:00:42.578 3.1 10/01/99 15:00:42.545
VS(kV) 11.7 10/01/99 15:01:01.576 3.4 10/01/99 15:00:42.545
MW3P 6.9 10/01/99 15:00:44.095 0.4 10/01/99 15:00:42.545
MVAR3P 1.0 10/01/99 15:00:42.578 0.1 10/01/99 15:00:42.545
LAST RESET 01/27/99 15:31:41.237
=>
Reset the maximum/minimum values using the MET RM command. All
values will display
RESET until new maximum/minimum values are recorded.
For more information on maximum/minimum metering, see Maximum/
Minimum Metering on page 8.29.
Currents I
A,B,C,P
I
G
Input currents (A primary)
Residual ground current (A primary; I
G
= 3I
0
=
I
A
+ I
B
+ I
C
)
Voltages V
A,B,C,S
Wye-connected voltage inputs (kV primary)
Power MW
3P
MVAR
3P
Three-phase megawatts
Three-phase megavars
Reset Time Last time the maximum/minimum meter was
reset