Troubleshooting & repair, Normal weld voltage waveform (wire cv) – Lincoln Electric COMMANDER SVM145-B User Manual

Page 138

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TROUBLESHOOTING & REPAIR

F-82

F-82

COMMANDER 300

This is the typical DC output voltage
generated from a properly operating
machine. Note that each vertical
division represents 20 volts and that
each horizontal division represents 5
milliseconds in time.

The machine was loaded with a
resistance grid bank to 300 amps at
32 volts.

SCOPE SETTINGS

Volts/Div.....................20V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal

NORMAL WELD VOLTAGE WAVEFORM (WIRE CV)

MACHINE LOADED TO 300 AMPS AT 32 VOLTS

0 volts

20V

5ms

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