Danfoss VLT Ea4, Operating Manual

Page: 24 / 76

5.4 Block Diagram
1
2
2 1
2 1
R+
R
-
BR
F
Ju
m
pe
r
CB
L1
14
GN
D
G
N
D
Cu
st
om
er
Re
la
y
D
RI
VE
M
O
D
U
LE
4
M
ic
ro
sw
itc
h
Co
nn
ec
to
r
BR
F
U
4
V4
W
4
L1
L2
L3
To
p
Pl
at
e
2 1
44 43
8
7
6
1
1
10
9
C
N
O
N
C
C
N
O
N
C
Re
ge
n+
R
eg
en
-
1
2
BR
F
Ju
m
pe
r
CB
L1
14
Cu
st
om
er
Re
la
y
D
RI
VE
M
O
D
U
LE
2
M
ic
ro
sw
itc
h
Co
nn
ec
to
r
BR
F
U
2
V2
W
2
L1
L2
L3
To
p
Pl
at
e
2 1
44 43
8
7
6
1
1
10
9
C
N
O
N
C
C
N
O
N
C
Re
ge
n+
R
eg
en
-
G
N
D
1
2
BR
F
Ju
m
pe
r
CB
L1
14
Cu
st
om
er
Re
la
y
D
RI
VE
M
O
D
U
LE
1
M
ic
ro
sw
itc
h
Co
nn
ec
to
r
BR
F
U
1
V1
W
1
L1
L2
L3
To
p
Pl
at
e
44 43
8
7
6
1
1
10
9
C
N
O
N
C
C
N
O
N
C
Re
ge
n+
R
eg
en
-
G
N
D
1
2
BR
F
Ju
m
pe
r
CB
L1
14
R+
R
-
R+
R
-
R+
R
-
U
V
W
L1
L2
L3
L1
L2
L3
U
V
W
F
K1
01
2 1
1 2
43 44
1 2
43 44
1 2
43 44
1 2
43 44
TB
1
TB
2
TB
1
TB
2
Cu
st
om
er
Re
la
y
D
RI
VE
M
O
D
U
LE
3
M
ic
ro
sw
itc
h
Co
nn
ec
to
r
BR
F
U
3
V3
W
3
L1
L2
L3
To
p
Pl
at
e
2 1
44 43
8
7
6
1
1
10
9
C
N
O
N
C
C
N
O
N
C
Re
ge
n+
R
eg
en
-
1
2
CO
N
TR
O
L
SH
EL
F
To
C
on
tr
ol
C
ar
d
LC
P
L1
30
B4
63
0
1
2
2 1
2 1
1
2
2 1
2 1
To
te
rm
in
al
b
lo
ck
s
on
c
on
tr
ol
s
he
lf
1
2
2 1
2 1
Re
ge
n
Te
rm
in
al
s
CB
L1
12
CB
L1
11
CB
L1
12
CB
L1
12
CB
L1
13
M
K1
11
M
K1
12
M
K1
13
M
K1
14
e3
0b
f0
56
.1
0
Illustration 11: Eah Block Diagram
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Electrical Installation
VLT Ea4 Parallel Drive Modules
Operating Guide