Typical Output Voltage Waveform - Machine Loaded - Lincoln Electric 11937 Service Manual

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TYPICAL OUTPUT VOLTAGE WAVEFORM - MACHINE LOADED

10 Volts
TROUBLESHOOTING AND REPAIR
This is the typical auxiliary output volt-
age generated from a properly operat-
ing machine. Note that each vertical
division represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connect at the
machine output terminals. Positive
probe to (+) terminal, negative probe
to (-) terminal.
SCOPE SETTINGS
Volts/Div ....................10V/Div.
Horizontal Sweep ..20 ms/Div.
Coupling ............................ DC
Trigger ........................ Internal
WIRE FEEDER WELDER (180 MODEL)
C1
0 volts
20ms
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