■
Wiring example – Voltage measurement in weak network
PE
CABI
NET
COM
MO
N P
E BU
SBA
R
13
14
21
22
21
22
9E
=-Q2
1
1
3
5
6
4
2
;1L1
;1L2
;1L3
;1
PE:
1
=-Q1
U
1
1
=-Q1V
1
1
VO
L
T
A
G
E
M
EAS
URE
M
E
NT
3
-PH
ASE
FA
N SU
PP
LY
13
14
21
22
=-F
5
1
3
5
6
4
2
I>
I>
I>
M
AI
N
SU
PP
LY
DI
SC
O
N
N.
S
WI
T
C
H
CO
NT
RO
L
V
O
LT
A
G
E
DI
ST
RI
BU
T
IO
N
MAI
N
CO
NT
AC
T
O
R
+.2
SU
PP
LY
=-Q1
1
3
56
4
2
P192551 / 144
08
=-Q2
12
34
56
;1L11
;1L21
;1L31
=-Q1
U
2
1
=-Q1V
2
1
=-Q1W
2
1
33
34
13
14
33
34
5
6
3
4
=-Q4
1
2
=-Q3
1
3
5
7
8
6
4
2
13
14
21
22
=-R
4.
3
12
=-R
4.
2
12
=-R
4.
1
12
=-F1.
1
12
=-F1.
2
12
=-F1.
3
12
=-Q1W
1
1
;F5:
2
12
F
;F5:
4
;F5:
6
-
00
1
00
2
IS
U
I
AC
S880-207
-1
05
0A
-7
6
90
V
50
H
z IP22
Ci
rc
ui
t di
ag
ra
m
E
FS
2
EN
9.
1.
20
20
Ge
ne
ra
te
d by
A
D
G
2
A
B
B
D
rive
s
P
S
L2 [
50Mb]
U1
V1
W1
N1
U2
V2
W2
IU
IV
IW
IN
OU
T
IN
OU
T
IN
OU
T
0V
GN
D_
S
+
24V
-F
1
/1
A
N2
=-A
2
-XU1
:1
-XPO
W:3
-XPO
W:2
-XPO
W:1
-V3
0:
V1
R
-V3
0
:V1
T
-XIW:6
-XIW:5
-XIV:4
-XIV:3
-XI
U
:2
-XI
U
:1
B
A
M
U
-12C
A
uxi
liar
y Me
as
ur
in
g U
ni
t
-XU1
:3
-XU1
:4
-XU1
:5
-XU1
:6
-XU1
:7
-XU2
:1
-XU2
:2
-XU2
:3
-XU2
:4
-XU2
:5
-XU2
:6
-XU2
:7
PW
R
O
K
(
G
R
E
E
N
)
L
IN
K
FA
U
L
T (
R
ED
)
U
2
>
60V
(
G
R
E
E
N
)
U
1
>
60V
(
G
R
E
E
N
)
-XU1
:2
;F
5:
2
4E
;F
5:
4
;F
5:
6
=-
1P
E
7PE
CL
O
SED-
LO
O
P
VO
L
T
A
G
E
M
EAS
URE
M
E
NT
BCU
CONTROL UNIT
P
OWER
24V
Installation 21
11
Summary of Contents for BAMU-12C
Page 1: ... ABB INDUSTRIAL DRIVES BAMU 12C auxiliary measurement unit Hardware manual ...
Page 2: ......
Page 4: ......
Page 6: ...6 ...
Page 14: ...14 ...
Page 24: ...Dimension drawing Dimensions in mm 1 mm 0 0394 in 24 Technical data ...