Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 248)

10-6 TROUBLESHOOTING
1557-UM050F-EN-P – June 2013
Test Point Waveforms
LINE SIDE CONTROL BOARD
V12 / V23 / V31 Line Voltage
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
V12 / V23 / V31 Line Voltage
50% Speed 25% Torque
LINE SIDE CONTROL BOARD
VDC DC Link Voltage
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
VDC DC Link Voltage
50% Speed 25% Torque
LINE SIDE CONTROL BOARD
F12 / F23 / F31 Reconstructed Line Voltage
50% Speed 25% Torque
MACHINE SIDE CONTROL BOARD
F12 / F23 / F31 Motor Flux
50% Speed 25% Torque
1 2.00V