Rockwell Automation SB3000 AC Power Modules - Manual (Page 41)

Diagnostics and Troubleshooting 4-3
Figure 4.1 – DC Bus Voltage Measuring Points
CAPACITOR BANK
PW
R
. M
O
D
.
A
AC MOTOR OUTPUT
U V
LPI CIRCUIT
PHASE U
PMI RACK
PHASE W
FAN
PHASE V
S
L
O
T
6
S
L
O
T
7
S
L
O
T
8
PWR
. M
O
D
. C
PW
R
. M
O
D
.
B
110V
D/S
±15V
PS PS
-24V
2FU
3FU
PS
+24V
1FU
25KHZ PS
2 F U
1 F U
+ - 288 289
MOTOR
GRD
GDI GDI GDI
POWER MODULE A
W
F102A F101A
GRD
DC BUS VOLTAGE
MEASURING POINTS
1247A
1145A
-BUS
ASSEMBLY
+BUS
F104A
F105A
F103A