CHAPTER 6: SETPOINTS
S5 INPUTS/OUTPUTS
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
6–165
Figure 6-71: Output relay 7: Critical Failure Relay
ANY
MAJOR
ERROR
(Forces
the
Relay
into
“Not
Ready
”state
)
OR
S1
SETPOINTS
/S
1
RELA
Y
SETUP
/S
1
INST
ALLA
TION
/RELA
Y
S
TA
TUS
(Not
Ready
=
1)
LED
:I
N
SER
VICE
Message
&
Event
Recorder
ANY
MAJOR
ERROR
OR
. . . . . .
Message
&
Event
Recorder
Message
&
Event
Recorder
Message
&
Event
Recorder
Major
Error
1
Major
Error
2
Major
Error
XX
(S
ee
all
major
errors
listed
in
the
table
below
)
To
Output
Relays
1
to
6
In
Service
De
-energize
Output
Relay
#
7
(Critical
Failure
Relay)
LED:
TROUBLE
898778.C
DR