CHAPTER 6: SETPOINTS
S5 INPUTS/OUTPUTS
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
6–143
Figure 51: Output relay 7: Critical Failure Relay
Virtual inputs
There are 32 virtual inputs that can be individually programmed to respond to input
commands entered via the relay keypad, or by using communication protocols.
The following path is available using the keypad. For instructions on how to use the
keypad, please refer to
Chapter 3 - Working with the Keypad
.
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
T
A
TUS
(
Not
Ready
=
1
)
LED
:
IN
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
)
T
o
Output
Relays
1
to
6
In
Service
De
-energize
Output
Relay
#
7
(Critical
Failure
Relay)
LED:
TROUBLE
898778.C
DR
