Eaton EDR 3000 - Page 377

EDR-3000 IM02602003E
The following table shows how breaker positions are validated based on 52a and 52b:
States of the Digital Inputs Validated Breaker Positions
CinBkr52a-I CinBkr52b-I Pos CLOSE Pos OPEN Pos Indeterm Pos Disturb Breaker
State
0 0 0 0 1
(while a Moving
timer is running)
0
(while a Moving
timer is running)
0
Intermediate
1 1 0 0 1
(while a Moving
timer is running)
0
(while a Moving
timer is running)
0
Intermediate
0 1 0 1 0 0 1
OPEN
1 0 1 0 0 0 2
CLOSE
0 0 0 0 0
(Moving timer
elapsed)
1
(Moving timer
elapsed)
3
Disturbed
1 1 0 0 0
(Moving timer
elapsed)
1
(Moving timer
elapsed)
3
Disturbed
www.eaton.com 365