Schweitzer Engineering Laboratories SEL-421-4, Instruction Manual

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8.3
Date Code 20171021 Instruction Manual SEL-421 Relay
Settings
Global Settings
Make Table 8.6 settings when Global enable setting EICIS := N.
Make Table 8.7 settings when Global enable setting EICIS := Y.
Table 8.5 Station DC1 Monitor (and Station DC2 Monitor)
Setting
a
a
Replace 1 with 2 in the setting for DC2 Monitor settings.
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
Table 8.6 Control Inputs
Setting Prompt Default Value Increment
GINP
a
a
Setting applies to all direct coupled contact inputs if available, otherwise, the setting is not
available.
Input Pickup Level (15–265 Vdc) 85
b
b
Factory set at 18 for 24–48 Vdc rated power supply, 36 for 48–125 Vdc rated power supply, and
85 for 125–240 Vdc rated power supply. See
Control Inputs on page 2.6
for setting guidelines.
1
GINDF
a,c
c
Setting applies to all direct coupled contact inputs independent of EICIS set to Y or N.
Input Dropout Level (10–100% of pickup level) 80 1
IN1XXD
d
d
Setting applies to all the main board input contacts.
Main Board Debounce Time (0.0000–5 cyc) 0.1250 0.0001
IN2XXD
e
e
Setting applies to all the Interface Board #1 input contacts.
Int Board #1 Debounce Time (0.0000–5 cyc
f
)
f
If the interface board has more than eight input contacts, the upper range is 1 cycle.
0.1250 0.0001
IN3XXD
g
g
Setting applies to all the Interface Board #2 input contacts.
Int Board #2 Debounce Time (0.0000–5 cyc
f
) 0.1250 0.0001
Table 8.7 Main Board Control Inputs
Setting Prompt Default Value Increment
IN101PU Input IN101 Pickup Delay (0.0000–5 cyc) 0.1250
a
a
Set to Global setting IN1XXD when EICIS := N.
0.0001
IN101DO Input IN101 Dropout Delay (0.0000–5 cyc) 0.1250
a
0.0001
•
•
•
•
•
•
•
•
•
IN107PU Input IN107 Pickup Delay (0.0000–5 cyc) 0.1250
a
0.0001
IN107DO Input IN107 Dropout Delay (0.0000–5 cyc) 0.1250
a
0.0001