5-2
SA500 Power Modules
Vcc Power Supply Undervoltage (Bit 3)
LED indicator: P.M. FLT
Bit 3 will be set if the input to the +5V supply for the PMI Regulator drops below the
necessary voltage required to maintain regulation. Error code 1019 will also be
displayed in the error log of the UDC task in which the fault occurred.
Position Following Error (Bit 4)
LED indicator: N/A
Bit 4 will set if the maximum position error exceeds the value set in the PMI Tach Loss
Maximum Position Error register (register 166/1166).
Velocity Error Exceeded (Bit 5)
LED indicator: N/A
Bit 5 will be set if the maximum velocity error exceeds the value set in the PMI Tach
Loss Maximum Velocity Error register (register 156/1156).
Motor Speed Feedback Broken Wire (Bit 8)
LED indicator: FDBK OK
Bit 8 will set if a sine or cosine signal from the resolver is missing due to a broken wire
or if the resolver gain tunable (RES_GAN%) has been set too low. Error code 1008 will
also be displayed in the error log of the UDC task in which the fault occurred.
Overspeed / Slip > 100% (Bit 10)
LED indicator: EXT FLT
Bit 10 will be set if the motor’s velocity exceeds the value entered as the Overspeed
Trip (RPM) configuration parameter. Error code 1010 will also be displayed in the error
log of the UDC task in which the fault occurred.
PMI Power Supply Fault (Bit 12)
LED indicator: PWR OK
Bit 12 will be set if the PMI power supply is not providing the required output. Error
code 1012 will also be displayed in the error log of the UDC task in which the fault
occurred.
PMI Bus Fault (Bit 13)
LED indicator: N/A
Bit 13 will be set if a problem is detected with the address and data bus on the PMI
Regulator. Error code 1013 will also be displayed in the error log of the UDC task in
which the fault occurred.
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