R.10.5
Date Code 20111215 Reference Manual SEL-421 Relay
Settings
Global Settings
NOTE: See corresponding command
descriptions SET G on page R.9.41 and
SHO G on page R.9.45 to set or show
the Global settings.
Make Table 10.5 settings when Global enable setting EDCMON := 1 or 2.
These settings are hidden when EDCMON := N.
Table 10.3 General Global Settings
Label Prompt Default Value
SID Station Identifier (40 characters) Station A
RID Relay Identifier (40 characters) Relay 1
NUMBK Number of Breakers in Scheme (1, 2) 1
BID1 Breaker 1 Identifier (40 characters) Breaker 1
BID2 Breaker 2 Identifier (40 characters) Breaker 2
NFREQ Nominal System Frequency (50, 60 Hz) 60
PHROT System Phase Rotation (ABC, ACB) ABC
DATE_F Date Format (MDY, YMD, DMY) MDY
FAULT Fault Condition Equation
SEL
OGIC Equation)
50P1 OR 51S1 OR M2P
OR Z2G OR M3P OR
Z3G
Table 10.4 Global Enables
Label Prompt Default Value
EDCMON Station DC Battery Monitor (N, 1, 2) N
EICIS Independent Control Input Settings (Y, N) N
EDRSTC Data Reset Control (Y, N) N
EGADVS Advanced Global Settings (Y, N) N
EPMU Synchronized Phasor Measurement (Y, N) N
Table 10.5 Station DC1 Monitor (and Station DC2 Monitor
a
)
a
Replace 1 with 2 in the setting label.
Label Prompt Default Value
DC1LFP Low Level Fail Pickup (OFF, 15–300 Vdc) 100
DC1LWP Low Level Warn Pickup (OFF, 15–300 Vdc) 127
DC1HWP High Level Warn Pickup (OFF, 15–300 Vdc) 137
DC1HFP High Level Fail Pickup (OFF, 15–300 Vdc) 142
DC1RP Peak to Peak AC Ripple Pickup (1–300 Vac) 9
DC1GF Ground Detection Factor (1.00–2.00) 1.05
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