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Normal open circuit voltage waveform - no load, 0 volts 2 ms 50 volts, Troubleshooting & repair – Lincoln Electric MULTI-SOURCE SVM155-A User Manual

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F-41

F-41

NORMAL OPEN CIRCUIT VOLTAGE

WAVEFORM - NO LOAD

TROUBLESHOOTING & REPAIR

MULTI-SOURCE

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0 volts

2 ms

50 volts

This is the typical DC open circuit volt-
age waveform generated from a properly
operating machine. Note that each ver-
tical division represents 50 volts and that
each horizontal division represents 2 mil-
liseconds in time.

Note: Scope probes connected at
machine output terminals: (+) probe to
positive terminal, (-) probe to negative
terminal.

Volts/Div.......................50 V/Div.
Horizontal Sweep...... 2 ms/Div.
Coupling..............................DC
Trigger..........................Internal

Scope Settings