Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 249)

TROUBLESHOOTING 10-7
1557-UM050F-EN-P – June 2013
Test Point Waveforms
LINE SIDE CONTROL BOARD
FLX Rectified Line Voltage
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
FLX Rectified Motor Flux
50% Speed 25% Torque
LINE SIDE CONTROL BOARD
I1 / I2 / I3 Line Current
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
I1 / I2 / I3 Motor Current
50% Speed 25% Torque
LINE SIDE CONTROL BOARD
IDC DC Link Current
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
IDC Rectified Motor Current
50% Speed 25% Torque