6.6
SEL-551 Relay Instruction Manual Date Code 20110408
Front-Panel Interface
Functions Unique to the Front-Panel Interface
Reclosing Relay Shot Counter Screen Operation (With Factory Settings)
With the breaker closed and the reclosing relay in the reset state (front-panel
RS LED illuminated), the reclosing relay shot counter screen appears as:
The relay trips the breaker open, and the reclosing relay goes to the reclose
cycle state (front-panel RS LED extinguishes). The reclosing relay shot
counter screen still appears as:
The first open interval (79OI1 = 30) times out, the shot counter increments
from 0 to 1, and the relay recloses the breaker. The reclosing relay shot
counter screen shows the incremented shot counter:
The relay trips the breaker open again. The reclosing relay shot counter screen
still appears as:
The second open interval (79OI2 = 600) times out, the shot counter
increments from 1 to 2, and the relay recloses the breaker. The reclosing relay
shot counter screen shows the incremented shot counter:
If the relay trips the breaker open again, the reclosing relay goes to the lockout
state (front-panel LO LED illuminates). The reclosing relay shot counter screen
still appears as:
SET RECLOSURES=2
RECLOSE COUNT =0
SET RECLOSURES=2
RECLOSE COUNT =0
SET RECLOSURES=2
RECLOSE COUNT =1
SET RECLOSURES=2
RECLOSE COUNT =1
SET RECLOSURES=2
RECLOSE COUNT =2
SET RECLOSURES=2
RECLOSE COUNT =2
To Next Page
Loading...
