Waves HPSA-7100-R Series, Installation And User Manual

Page: 31 / 179

HPSA-7100-R Series Installation and User Manual 5
P/N P01- 04946 Rev C
System Components
FIGURE 1.5 HPSA-7100-R Electronics Panel
1.4.3.2 Power Distribution Board (PDB)
The PDB
accepts a 36VDC voltage from the power supply and steps it up or down
to provide appropriate housekeeping and rail voltages for distribution within the
system.
The PDB includes the following features:
•
Maximum charge current 4A
•
Over current protection
•
Protection against overcharging and deep discharge
The 36 VDC input to the PDB is converted and distributed as follows:
•
Steps the 36 VDC up to +48 VDC and distributes as follows:

+48 VDC to the Fan Assembly,

+48VDC to the Amplifier Board to power the Amplifier circuitry and AMP
Drivers

+48VDC Battery Charge voltage to the four 12VDC Back-up Batteries
•
Steps the 36 VDC down to +15 VDC and distributes as follows:
•
+15VDC to the Amplifier Board and Controller