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Instructional Literature
Page
164
Effective: May 2008
Instructions for the FP-6000 Protective Relay
For more information visit: www.eaton.com
IB02602004E
Once a valid reclose initiate is recognized, the autoreclose logic
will transit from Ready to Run and the shot count will increment
to 1 from 0, meanwhile the shot 1 breaker-off timer and
autoreclose timeout timer start running.
Figure 59. Autoreclose Reclose Initiate Logic in Ready Mode.
While in Run mode, if any blocking condition exists such as:
•
External autoreclose blocking through contact input
•
Undervoltage blocking
•
Programmable blocking logic active or
•
Manual/remote closing in progress
the autoreclose logic will ignore any new reclose initiate or halt
the breaker-off timer and stay in Run mode until the autoreclose
failure timer is expired.
While in Run mode, if there is any lockout condition exists such
as:
•
External lockout command
•
General programmable lockout logic active
•
Autoreclose blocking timeout
•
Autoreclose failure
•
Breaker wear lockout
•
Not enough breaking capacity lockout
•
Exceeds maximum shots
•
Exceeds shots per hour limit
•
Breaker flashover
•
General programmable lockout logic active
•
Shot stage programmable lockout logic active or
•
Any combination of the above
the autoreclose logic will go to Lockout mode.
2
1
0
3
4
AR Initiate Setting
52CSa52b
52b
ProtTrip
ProtTrip&52b
PLC79RI
Ext. Initiate Enable
52b
79 Blocking
79 Lockout
52CSa
Protection Trip
S
R
Q
5c
0
Prot. Pickup
OC Trip
Volt Trip
NonOC Trip RI
Trip Indicator
S
R
Q
5c
0
Prot. Pickup
PLC 79RI
Lockout
Ready
Shots++
Run
79RI
Ext. 79RI
2
1
0
3
4
AR Initiate Setting
52CSa52b
52b
ProtTrip
ProtTrip&52b
PLC79RI
Ext. Initiate Enable
52b
79 Blocking
79 Lockout
79 Blocking
79 Lockout
52CSa
Protection Trip
S
R
Q
S
R
Q
5c
0
5c
0
Prot. Pickup
OC Trip
Volt Trip
NonOC Trip RI
Trip Indicator
S
R
Q
S
R
Q
5c
0
5c
0
Prot. Pickup
PLC 79RI
Lockout
Ready
Shots++
Run
79RI
Ext. 79RI