P.15.34
SEL-411L Relay Protection Manual Date Code 20151029
ASCII Command Reference
Description of Commands
The reset command, MET RBM, resets the dc monitor maximum/minimum
metering quantities. When you issue the MET RBM command, the relay
responds,
Reset Max/Min Battery Metering (Y/N)? If you answer
Y <Enter>, the relay responds,
Max/Min Battery Reset.
MET D
Use the MET D command to view the demand and peak demand quantities.
The reset command (MET RD) resets the Line demand metering quantities.
When you issue the MET RD command, the relay responds,
Reset Demands
(Y/N)?
If you answer Y <Enter>, the relay responds, Demands Reset.
The reset command, MET RP, resets the Line peak demand metering
quantities. When you issue the MET RP command, the relay responds,
Reset
Peak Demands (Y/N)?
If you answer Y <Enter>, the relay responds, Peak
Demands Reset
.
MET DIF
Use the MET DIF command to display differential metering information.
Information includes the communication channel status, the availability of the
87L function, whether the terminal is in stub bus, current values and angles of
the local terminal, all remote terminals, differential vales and Alpha Plane
values.
==>>MET DIF <Enter>
Relay 1 Date: 11/23/2011 Time: 12:16:23.763
Station A Serial Number: 0000000000
87L Communication: Master
87L Function: Available
Stub Bus: Disabled
Local Terminal
IA IB IC I1 3I2 3I0
MAG (pu) 1.387 0.989 0.990 1.122 0.399 0.396
ANG (DEG) -0.13 -119.96 120.13 0.00 -0.87 -0.47
THROUGH (pu) 1.389 1.001 1.001 0.398 0.398
Remote Terminal 1
IA IB IC I1 3I2 3I0
MAG (pu) 1.195 0.994 0.995 1.061 0.202 0.199
ANG (DEG) -65.69 174.39 54.52 -65.59 -66.57 -66.29
THROUGH (pu) 1.205 1.001 1.001 0.204 0.197
Differential
IA IB IC 3I2 3I0
MAG (pu) 2.173 1.666 1.668 0.516 0.511
ANG (DEG) -30.17 -152.88 87.24 -21.82 -21.25
Ta b l e 1 5. 87 M E T D Co m m an d
Command Description Access Level
MET D Display Line demand metering data. 1, B, P, A, O, 2
MET D k Display Line demand metering data
successively for k times
1, B, P, A, O, 2
MET RD Reset Line demand metering data. P, A, O, 2
MET RP Reset Line peak demand metering data. P, A, O, 2
Table 15.88 MET DIF Command
Command Description Access Level
MET Display status report for all active 87L
channels.
1, B, P, A, O, 2
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