Rockwell Automation SA3000 High Power Modules - Manual (Page 36)

4-4 High Power SA3000 AC Power Modules
4.3 Power Module Faults and Warnings
The PMI Processor continually runs diagnostics which check for errors that may affect
system operation. Warnings are errors which indicate that the SA3000 Power Module
is not operating in an optimum manner. Warnings will not shut down the SA3000.
Faults are severe errors which will shut down the SA3000. See tables 4.3 and 4.4.
Refer to the SA3000 Drive Configuration and Programming instruction manual
(S-3042) for more information about the Fault and Warning registers.
Table 4.1 – DC Bus and Terminal Tests 1
1. With the motor disconnected
Meter Connections
+ -
Scale Expected Test Results
DC Bus
- Bus (45) + Bus (47)
X10
Capacitor Effect (0 to 50 ohms)
+ Bus (47) - Bus (45) Capacitor Effect (0 to 200 ohms)
Bus
Capacitors
+ 349 A,B,C X10
Capacitor Effect (0 to 500 ohms)
- 349 A,B,C
U +
X1 2 ohms V +
W +
+ U
X10 Capacitor Effect (0 to 2k ohms) + V
+ W
Output
Terminals
U V
X1000 4k to 6k ohms U W
V W
Table 4.2 – IGBT Tests 1
1. With the motor disconnected
Meter Connections
+ -
Scale
Expected Test
Results
(+/- 10%)
W Phase (lower) + W +347 A,B,C 2k
Ω
/diode 0.300 ohms
V Phase (lower) + V +347 A,B,C 2k
Ω
/diode 0.300 ohms
U Phase (lower) + U +347 A,B,C 2k
Ω
/diode 0.300 ohms
W Phase (upper) - -345 A,B,C W 2k
Ω
/diode 0.300 ohms
V Phase (upper) - -345 A,B,C V 2k
Ω
/diode 0.300 ohms
U Phase (upper) - -345 A,B,C U 2k
Ω
/diode 0.300 ohms