Lincoln Electric SVM207-A service manual Typical DC Weld Output Waveform CV Mode, Machine Loaded

Models: SVM207-A

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F-30

TROUBLESHOOTING AND REPAIR

F-30

 

 

 

 

TYPICAL DC WELD OUTPUT WAVEFORM (CV MODE)

MACHINE LOADED

CH1

0 volts

20 volts

5 ms

MACHINE LOADED TO 200 AMPS AT 20 VDC

This is the typical CV output voltage generated from a properly operating machine. Note that each vertical divi- sion represents 20 volts and that each horizontal division represents 5 mil- liseconds in time. The machine was loaded with a resistance grid bank.

Note: Scope probes connected at machine 115VAC receptacle.

SCOPE SETTINGS

Volts/Div

20V/Div.

Horizontal Sweep

5 ms/Div.

Coupling

DC

Trigger

Internal

 

 

RANGER® 3 PHASE

Page 68
Image 68
Lincoln Electric SVM207-A service manual Typical DC Weld Output Waveform CV Mode, Machine Loaded