Schweitzer Engineering Laboratories SEL-311B, Instruction Manual

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S
ETTINGS
S
HEET Page 8
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22
FOR THE
SEL-311B R
ELAY Date
R
ELAY
S
ETTINGS
(S
ERIAL
P
ORT
C
OMMAND
SET
AND
F
RONT
P
ANEL
)
Date Code 20011205
Reset time from reclose cycle (0.00–999999.00 cycles in 0.25-cycle steps) 79RSD =
Reset time from lockout (0.00–999999.00 cycles in 0.25-cycle steps) 79RSLD =
Reclose supervision time limit (OFF, 0.00–999999.00 cycles in 0.25-cycle
steps) (set 79CLSD = 0.00 for most applications; see Figure 6.2) 79CLSD =
Switch-Onto-Fault (See Figure 5.3)
(Make the following settings if preceding enable setting ESOTF = Y.)
Close enable time delay (OFF, 0.00–16000.00 cycles in 0.25-cycle steps) CLOEND =
52A enable time delay (OFF, 0.00–16000.00 cycles in 0.25-cycle steps) 52AEND =
SOTF duration (0.50–16000.00 cycles in 0.25-cycle steps) SOTFD =
Zone 1 Extension Scheme Settings (See Figure 3.11)
(Make the following settings if preceding enable setting EZ1EXT = Y.)
Zone 1 extension delay time (0.00–16000.00 cycles) Z1EXTD =
Zone 1 distance multiplier (1.00–4.00) Z1EXTM =
Demand Metering Settings (See Figures 8.11 and 8.13)
(Make the following settings, whether preceding enable setting EDEM = THM or ROL.)
Time constant (5, 10, 15, 30, 60 minutes) DMTC =
Phase pickup (OFF, 0.50–16.00 A secondary {5 A nom.};
0.10–3.20 A secondary {1 A nom.}) PDEMP =
Residual ground pickup (OFF, 0.50–16.00 A secondary {5 A nom.};
0.10–3.20 A secondary {1 A nom.}) GDEMP =
Negative-sequence pickup (OFF, 0.50–16.00 A secondary {5 A nom.};
0.10–3.20 A secondary {1 A nom.}) QDEMP =
Other Settings
Minimum trip duration time (4.00–16000.00 cycles in 0.25-cycle steps)
(see Figure 5.1) TDURD =
Close failure time delay (OFF, 0.00-16000.00 cycles in 0.25-cycle steps)
(see Figure 6.1) CFD =
Three-pole open time delay (0.00–60.00 cycles in 0.25-cycle steps)
(usually set for no more than a cycle; see Figure 5.3) 3POD =
Open pole option (52, 27) OPO =
Three-pole open undervoltage (0.0–150.0 V secondary) 27PO =
Load detection phase pickup (OFF, 0.25–100.00A{5 A nom.};
0.05–20.00 A {1 A nom.}) (see Figure 5.3) 50LP =