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4-44
Component Definition and Maintenance
Low Voltage Control Section
Analog
Control
Board
Drive
Processor
Module
Hinged
Panel
(Closed)
7000A-UM151E-EN-P - October 2018
The low voltage control section houses all of the control circuit boards,
relays, Operator Interface Terminal, DC/DC power supply, and most other
low voltage control components. Refer to Figure 4.33 for a generic
representation of a low voltage tub arrangement.
Figure 4.33 – Low Voltage Tub Compartment (Pioneer Power Supply)
AC to DC
Pioneer
Power Supply
Fiber Optic
Interface
Boards
DC to DC
Power Supply
Hinged Panel (Open)
7000 "A" Frame
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