Woodward SEG HighPROTEC MRA4, Device Manual

Page: 237 / 510

Blockings
Tripping criterion fulfilled for V. How could the trip command be blocked?
EN MRA4 04/09 Page 237
V
[x
].
T
ri
p
p
in
g
c
ri
te
ri
o
n
f
u
lf
il
le
d
:
T
ri
p
te
m
po
ra
ril
y
bl
oc
ki
ng
pe
rm
an
en
t
bl
oc
ki
ng
ac
tiv
e
V
[x
].
F
u
n
ct
io
n
in
a
ct
iv
e
V
[x
].
B
lo
T
ri
p
C
m
d
ac
tiv
e
in
ac
tiv
e
V
[x
].
E
xB
lo
F
c
in
ac
tiv
e
V
[x
].
E
x
B
lo
T
ri
p
C
m
d
F
c
ac
tiv
e
in
ac
tiv
e
P
ro
t.
F
u
n
ct
io
n
in
ac
tiv
e
P
ro
t.
E
xB
lo
F
c
V[x]: permanent blocking of the trip command
V[x]=active/inactive
Blocking, if the assigned signal is active
Blocking the CB trip command if the assigned
signal is true.
Global Protection activating/deactivating
Global Protection blocked, if the assigned
blocking signal is active.
in
ac
tiv
e
P
ro
t.E
xB
lo
1.
.n
,
A
ss
ig
nm
en
t
Li
st
=
a
ct
iv
e
a
ct
iv
e
ye
s
no
V
[x
].E
xB
lo
T
rip
C
m
d
1
..n
,
A
ss
ig
nm
e
nt
Li
st
=
ac
tiv
e
ye
s
no
V
[x
].E
xB
lo
1
od
er
V
[x
].E
xB
lo
2
1
..n
,
A
ss
ig
nm
en
t
Li
st
=
ac
tiv
e
ye
s
no
ac
tiv
e
ac
tiv
e
p
er
m
a
ne
n
t
bl
oc
ki
n
g
pe
rm
an
en
t
bl
oc
ki
ng
te
m
po
ra
ril
y
bl
oc
ki
ng
te
m
po
ra
ril
y
b
lo
ck
in
g
N
o
T
rip
C
om
m
an
d
gi
ve
n
ou
t t
o
th
e
C
irc
ui
t B
re
ak
er
T
ri
p
C
o
m
m
an
d
g
iv
en
o
u
t
to
t
h
e
C
ir
cu
it
B
re
ak
er