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Calibration – Lincoln Electric IM573 POWER WAVE CALIBRATION PROCEDURES User Manual

Page 7

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CAPACITOR DISCHARGE PROCEDURE (continued)

FIGURE 3 - RESISTOR WITH LEADS CONNECTED.

CALIBRATION

11. Check the voltage across terminals #9 and

#12 with the DC voltmeter. Terminal #9
has positive polarity and terminal #12 has
negative polarity. Voltage should be zero.
If any voltage remains, repeat this capaci-
tor discharge procedure.

12. Repeat discharge procedure steps 9, 10,

and 11 for each of the other three switch
boards of the FET switch board assembly.

POWER WAVE CALIBRATION