Rockwell Automation SA3000 High Power Modules - Manual (Page 35)

Diagnostics and Troubleshooting 4-3
Figure 4.1 – DC Bus Voltage Measuring Points
LP I MO DULE
AC L
INE SYNC PC
B
SY
NC
LI
N
E
POWER
MODULE
A
BANK CAPA CIT OR
BAN K CAP ACI TOR
BANK CAPA CIT OR
-B
U
S
345
C
+B
U
S
347
C
P
H
ASE W
P
H
ASE V
PHASE U
PHA
SE W
P
H
ASE V
P
H
ASE U
PHASE W P
H
ASE V
PHASE U
POW
ER MOD
ULE C
POWER M
O
DULE
B
PR
E-
C
H
A
R
G
E
AS
SEM
BLY
ASS
EM
B
L
Y
PR
E
-C
H
A
R
G
E A
SSEM
BLY
BL
O
W
E
R
BL
O
W
E
R
-+-+
25KH
Z
PS
P
R
E-
C
H
A
R
G
E ASSE
MBLY
AS
SE
M
B
L
Y
P
M
I
R
A
C
K
CB1
3FU
1FU
±
15V PS
1CB 1
PS -2
4
V
+2
4V
PS
BL
O
W
E
R
AS
SE
M
B
L
Y
-BUS 345B +BU
S
3
47B
-BUS 345
A
+B
US
347A
DI
S
C
ON
NE
CT
SW
IT
CH
FP MA
GR
D
MO
T O
R
GR
D
MO
T O
R
W
V
U AC
M
O
TOR
OU
TPU
T
FP MB
FP MC