![Lincoln Electric POWER-ARC 4000 Скачать руководство пользователя страница 68](http://html1.mh-extra.com/html/lincoln-electric/power-arc-4000/power-arc-4000_service-manual_1918469068.webp)
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
F-20
TROUBLESHOOTING & REPAIR
F-20
POWER-ARC 4000
SCOPE SETTINGS
Volts/Div ....................50V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
CH1
0 volts
5 ms
20 volts
This is the typical AC output voltage
generated from a properly operating
machine. Note that each vertical divi-
sion represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connected at
machine 115 VAC receptacle.
1 Period = 16.2 ms @ 3700 rpm
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115 VAC SUPPLY)
HIGH IDLE – NO LOAD