Appendix – Testpoints
134
Appendix
Testpoints (Gate Drive Board – LED definitions)
Part Number 46S04232-0010
The LEDs contained on the Gate Drive Board are for visual inspection only. This is for a secondary
reference to the gate firing LEDs on the Product Interface Board (see page 132). Note: the Amber
color will vary depending on the frequency of the PWM signal.
DS2
Green when ready
Amber when X Phase is firing
DS5
Green when ready
Amber when Y Phase is firing
DS1
Green when ready
Amber when X Phase is firing
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