Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 41)

DESCRIPTION OF OPERATION 5-23
1557-UM050F-EN-P –June 2013
L
in
e
O
/C
t
ri
p
(P
1
6
1
)
Id
c
fe
e
d
b
a
ck
(V
3
2
2
)
T
IM
E
D
E
L
A
Y
L
in
e
O
/C
d
e
la
y
(P
1
6
2
)
L
in
e
o
ve
rcu
rr
e
n
t
F
a
u
lt
F
la
g
s
1
L
b
it
4
(V
3
6
9
)
V
L
in
e
(V
3
2
4
)
L
in
e
O
/V
t
ri
p
(P
1
6
5
)
T
IM
E
D
E
L
A
Y
L
in
e
O
/V
d
e
la
y
(P
1
6
6
)
L
in
e
o
ve
rvo
lt
a
g
e
F
a
u
lt
F
la
g
s
1
L
b
it
6
(V
3
6
9
)
T
IM
E
D
E
L
A
Y
L
in
e
U
/V
d
e
la
y
(P
1
6
8
)
L
in
e
U
ve
rvo
lt
a
g
e
W
a
rn
in
g
F
la
g
s
b
it
2
(
V
3
7
3
)
L
in
e
U
/V
t
ri
p
(P
1
6
7
)
D
C
O
/C
t
ri
p
(P
1
6
9
)
ID
C
T
IM
E
D
E
L
A
Y
D
C
O
/C
d
e
la
y
(P
1
7
0
)
L
in
e
h
/w
o
/c
F
a
u
lt
F
la
g
s
1
L
b
it
5
(V
3
6
9
)
L
in
e
D
C
O
/V
t
ri
p
(P
1
7
3
)
V
D
C
T
IM
E
D
E
L
A
Y
L
in
e
D
C
O
/V
d
e
la
y
(P
1
7
4
)
L
in
e
d
c
o
ve
rvo
lt
a
g
e
F
a
u
lt
F
la
g
s
1
L
b
it
7
(V
3
6
9
)
G
n
d
f
lt
O
/C
tr
ip
(P
1
7
1
)
T
IM
E
D
E
L
A
Y
G
n
d
f
lt
O
/C
d
e
la
y
(P
1
7
2
)
G
ro
u
n
d
f
a
u
lt
F
a
u
lt
F
la
g
s
1
L
b
it
9
(V
3
7
1
)
A/D
A
n
a
lo
g
i
n
p
u
t
2
L
(V
3
5
4
)
L
in
e
C
o
n
ve
rt
e
r
A
1
2
T
R
IP
L
E
V
E
L
C
A
L
C
Id
c
fe
e
d
b
a
ck
(
V
3
2
2
)
1
.1
0
1
.0
4
p
u
-
L
in
e
O
/L
t
ri
p
(P
1
6
3
)
L
in
e
O
/L
d
e
la
y
(P
1
6
4
)
0
.5
L
in
e
o
ve
rl
o
a
d
F
a
u
lt
f
la
g
s
2
b
it
0
(V
3
7
1
)
L
in
e
o
ve
rl
o
a
d
w
a
rn
in
g
W
a
rn
in
g
f
la
g
s
b
it
0
(V
3
7
3
)
H
A
R
D
W
A
R
E
S
O
F
T
W
A
R
E
IN
T
E
G
R
A
T
O
R
Line Converter Protection