Normal open circuit weld voltage waveform, Troubleshooting & repair – Lincoln Electric IDEALARC CV-300 User Manual
Page 61
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F-22
TROUBLESHOOTING & REPAIR
F-22
IDEALARC CV-300
5ms
20V
0 Volts
CH1
This is a typical output voltage generated
from a properly operating machine. Note
that each vertical division represents 20
volts and that each horizontal division rep-
resents 5 milliseconds in time.
Note: Scope probes connected at machine
high inductance output terminals.
Volts/Div . . . . . . . . . . . . . . . . .20 V/Div.
Horizontal Sweep . . . . . . . . . .5 ms/Div.
Coupling . . . . . . . . . . . . . . . . . . . . .DC.
Trigger . . . . . . . . . . . . . . . . . . .Internal.
SCOPE SETTINGS
NORMAL OPEN CIRCUIT WELD VOLTAGE WAVEFORM
NO LOAD - OUTPUT CONTROL AT MAXIMUM
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