Troubleshooting Guide Manual

4-6
SA500 Diagnostics, Troubleshooting, and Start-Up Guidelines
Figure 4.1 – POS and NEG Terminals on the DC Bus Supply
POS
U
VW
NEG
GND
POS
UVW
GND
POS
L1 L2
L3
DC Bus
NEG
GND
POS
UVW
NEG
GND
POS
UVW
NEG GND
Motor
Fuse Fuse Fuse
AC Input
Fuse Disconnecting Switch
SA500
Supply
SA500 AC
Power Module
Voltage
(3-Phase)
NEG
SA500 AC
Power Module
SA500 AC
Power Module
SA500 AC
Power Module
Measure DC Bus Voltage Here
PE
To grounding rod or Building Steel