Date Code 20011205
Application Settings for SEL-221 Series Relays
14-43
SEL-311B Instruction Manual
TRIP
52A
3P27
27AB
27BC
27CA
DLC
(SV4)
LLC
(SV5)
59AB
59BC
59CA
3P59
VSA
(SV7)
SHO
CVC
(SV6)
SV8
0
VCT
1
CYC
0
SV10
SV10
SV11
SV10
SV14
SV14
SV9T
SV10T
S
LT1
R
52A
SV13
SV12
79STL
79DTL
79CLS
SV14
SV14
SV14
M311B047
Figure 14.1: Voltage Supervised Reclosing Logic
The following contact input assignments are made automatically by the SEL-311B when setting
APP = 221C. These assignments cannot be changed unless setting APP is changed back to
APP = 311B.
Default Input Logic Equations
IN101 =
DT
-
DIRECT
TRIP
IN102
= PT - PERMIT TO TRIP
IN103 =
BT
-
BLOCK
TRIP
IN104
= DC - DIRECT CLOSE
IN105 =
52A
IN106
= ET - EXTERNAL EVENT TRIGGER
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