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Troubleshooting & repair, Normal weld voltage waveform – Lincoln Electric MULTI-WELD SVM151-A User Manual

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TROUBLESHOOTING & REPAIR

F-31

F-31

MULTI-WELD 350

This is the typical CC output voltage
generated from a properly operating
machine. Note that each vertical divi-
sion represents 50 volts and that each
horizontal division represents 50µs in
time.

The machine was loaded with a resis-
tance grid bank to 350 amps at 34
volts.

SCOPE SETTINGS

Volts/Div.....................50V/Div.
Horizontal Sweep .....50µs/Div.
Coupling.............................DC
Trigger.........................Internal

NORMAL WELD VOLTAGE WAVEFORM

MACHINE LOADED TO 350 AMPS AT 34 VOLTS – CC-STICK MODE

0 volts

50V

50µs