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12)
Switch both probes to IGBT-QB and IGBT-QD side for the same purpose. Adjust VR12 on
ANALOG-LF30 again if necessary. Reconnect J202, J203 and remove all jumpers for normal
operation.
QD
QC
QB
QA
IGBT layout
Sample Waveform
•
Reset everything back to normal condition.
3.2.3 Initial setting
•
System initialization
It is recommended to perform system initialization for new installation and when PROMs were
replaced. All information in PROMs will set to default after initialization.
Procedures:
Set S2-8 and S3-1 on NEXSC PCB to ON position.
Turn power on.
Make sure “INI.MENU” has started up. Press initial setting end key “CALCULATE” will show on
screen. Then “CALCULATE END” appears about 10 seconds later.
End of initialization.
UD150L30-FX/EX Installation Guide, REV_B Page 16 of 35