Normal Open Circuit Voltage Waveform (115 Vac Supply - Lincoln Electric WELDANPOWER SVM 113-A Service Manual

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NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115 VAC SUPPLY)

HIGH IDLE – NO LOAD – OUTPUT CONTROL AT MAXIMUM
1 Period = 16.2 ms @ 3700 rpm
TROUBLESHOOTING & REPAIR
50 volts
This is the typical AC output voltage
generated from a properly operating
machine. Note that each vertical
division represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connected at
machine 115 VAC receptacle.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
WELDANPOWER 125
CH1
0 volts
5 ms
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