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User name Jack (Techs)
Log entry time 14:23:57 on May 14, 2009
Entry number 273331
Followups:
keyword=Right and Left Q1s polarity readback changed
We corrected the polarity readback of both the Right and Left Q1. So, the
GUI should display the correct polarity. On the Right Q1, when we went to
the hall, the displayed polarity was + and on connector P9, of the
control board, pins 3 and 4 had 0V across them and pins 5 and 6 had 24V
across them. This should tell the power supply the polarity switch is in
the reversed position. Changing the polarity to - and pins 3 and 4 had
24V across them while pins 5 and 6 had 0V across them. Fine, whatever.
Connecting the laptop to the serial interface, running hyperterminal with
a USB to RS-422 adapter, when I did a 'Esc