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F-81

F-81

TROUBLESHOOTING & REPAIR

NORMAL WELD VOLTAGE WAVEFORM (STICK CC)

MACHINE LOADED TO 300 AMPS AT 32 VOLTS

0 volts

20V5ms

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

 

 

COMMANDER 300

Page 137
Image 137
Lincoln Electric SVM145-B service manual Normal Weld Voltage Waveform Stick CC, Machine Loaded to 300 Amps AT 32 Volts