4-4 Power Subsystem
Power Distribution Unit 5DX Series 3
Power Distribution Unit
The Power Distribution Unit (PDU) receives AC “Mains” Power and distributes it
to the 5DX System. The PDU adjusts factory power to meet the 5DX System
operating voltage requirements. The PDU has a power switch used to remove all
switched system power and it is located at the rear of the Electronics Bay as shown
by the cutaway view in Figure 4-2.
Figure 4-2: Power Distribution Unit (E1135C) Power Switch Location
The E1135C PDU also has a “lock out / tag out” (area of detail on the left) feature
so the PDU main can be locked in the off position. The hole for the lock will
accept a locking mechanism with a .62 cm (.25 in.) shaft (or smaller).
Power Distribution Unit
E1135C
!
MAINS
01
CB2
CB4
CB6
CB8
CB10 CB9
CB7
CB5
CB3
CB1
!
!
0
1
OFF
ON
0
1
(Detail of the bottom
portion is all that is
shown here.)
The cutaway view of
the Electronics Bay is
shown without the rear
door.
127(
0
1
!
Areas enlarged to
show detail.
(Main disable can be
locked in the “0”
position.)
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