Tyco Electronics Galaxy SC Controller J85501F-1
Issue 13 February 2001 Installation 3 - 35
2. Reinsert the BASIC, INTEL, and PER MON fuses into their
positions in the BJF board. See Figure 3-2.
3. Reinsert the Galaxy BJA (and if equipped, BJJ) Power board(s)
into the backplane of the Galaxy and lock into place by lifting the
circuit pack locking lever to its full upright position.
4. After a brief delay (up to 1 minute), all green LEDs on all circuit
packs should be active. Close the front cover and observe the
default display on the controller. A number of alarms and/or
warnings may be active at this point, along with the plant voltage
and load display. The plant load will remain at 0A until the plant
shunt is configured.
Place Plant
Rectifiers Under
Galaxy Control
1. Observe the output current on one rectifier. Operate the Power
ON/OFF switch on this rectifier to OFF. Reconnect the rectifier
control cable to the appropriate Rectifier Interface Module on the
back of the Galaxy Controller. See Figures 3-1 and 3-4. Module A
controls rectifiers 1-8, B controls rectifiers 9-16, C controls
rectifiers 17-24.
2. Operate the rectifier Power switch to ON. The green Power LED
of the rectifier must light. Readjust the rectifier output adjust
potentiometer to the current observed previously after the rectifier
walk-in is complete.
Repeat these steps for each additional rectifier. When complete, make
final adjustments to the plant voltage if necessary. Remove the
flameproof canvas used to insulate the area when the MCS was taken
out of the bay.
Galaxy SC
Configuration
Complete the Galaxy initial configuration in accordance with Section 4.
Rectifier VI Circuit
Adjustment
Each rectifier reports its load to Galaxy through a “VI” (Voltage
Proportional to Output Current) circuit located on its control board. The
accuracy of this circuit is essential for proper operation of Galaxy’s
Energy Management feature and to eliminate nuisance “Rectifier/Plant
Drain Inconsistancy” alarms or warnings. Check and adjust the VI
circuit of each rectifier in accordance with procedures found in the
appropriate Rectifier Product Manual at this time.
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