Normal Open Circuit Weld Voltage Waveform (High Cv Mode - Lincoln Electric RANGER 9 SVM 110-A Service Manual

F-43

NORMAL OPEN CIRCUIT WELD VOLTAGE WAVEFORM (HIGH CV MODE)

HIGH IDLE – NO LOAD – OUTPUT CONTROL AT MAXIMUM
RANGER 9
TROUBLESHOOTING & REPAIR
20 volts
This is the typical CV 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.
Note: Scope probes connected at
machine output terminals.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
CH1
0 volts
5 ms
F-43
RANGER 9