Normal Weld Voltage Waveform (Stick Cc - Lincoln Electric COMMANDER SVM145-B Service Manual

F-81

NORMAL WELD VOLTAGE WAVEFORM (STICK CC)

TROUBLESHOOTING & REPAIR
MACHINE LOADED TO 300 AMPS AT 32 VOLTS
20V
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
0 volts
5ms
F-81