
Troubleshooting
Chapter 11
11-115
Figure 11.2
8510 Main Power and Control Interconnect Diagram
S
T
R
AC Line
Rectifier
and
IGBT Regen
Converter
FV
FW
FU
FU2T (A22 Only)
FU2S
FU2R
FE
Drive
Cooling
Fan
E
AC Line Input
FU1S
FU1R
IGBT
Output
Inverter
V
W
U
E
Bus Voltage Feedback
KM1
KM
+
Main Motor Power
To Motor Cooling Fan
AC Phase
Sensing
and
Regen
Control
Logic
Power
Supply
FU3T
FU3S
FU3R
F7 on A11 and A22
F13 on A04 and A06
+5V TP
KM
STB 2
STB 1
(Used in A11 and A22 Only)
K10
EM1 EM2
KM2
KM3
K10
Coast to Stop
CN9-1
CN9-4
Main AC Input Contactor
DC Bus Precharge Relay
Pilot Relay for KM
DC Bus Discharge Relay
Coast to Stop Relay (located on I/O Board)
Relay and Contactors
KM
KM1
KM2
KM3
K10
KM3
J3-1 J3-2
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