Schweitzer Engineering Laboratories SEL-421-4 - Page 1021

6.45
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Autoreclosing
Settings and Relay Word Bits for Autoreclosing and Manual Closing
Settings and Relay Word Bits for Autoreclosing and Manual
Closing
See the product-specific instruction manual Group Settings tables related to
Reclose under the Settings section for a complete list of all autoreclose related
settings. Tab le 6.24 provides all of the Relay Word bits for autoreclosing.
Figure 6.19 Voltage Check Element Logic
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27BK2P
27BK1P
V
S1
59BK1P
V
S2
59BK2P
LLDB2
DLDB2
DLLB1
LLDB1
DLLB2
DLDB1
27LP
V
P
59LP
Settings Voltages
Relay
Word
Bits
Table 6.24 Autoreclose Logic Relay Word Bits (Sheet 1 of 3)
Name Description
BK1RS Breaker 1 in Reset State
BK2RS Breaker 2 in Reset State
79CY1
a
Relay in Single-Pole Reclose Cycle State
79CY3 Relay in Three-Pole Reclose Cycle State
BK1LO Breaker 1 in Lockout State
BK2LO Breaker 2 in Lockout State
SPARC
a
Single-Pole Reclose Initiate Qualified
SPOISC
a
Single-Pole Open Interval Supervision Condition
SPOI
a
Single-Pole Open Interval Timing
SPSHOT0
a
Single-Pole Shot Counter = 0
SPSHOT1
a
Single-Pole Shot Counter = 1
SPSHOT2
a
Single-Pole Shot Counter = 2