Manual

Component Definition and Maintenance 5-69
7000 “A” Frame 7000A-RM001A-EN-P – January 2011
Low Voltage Control Section 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 5.54
for a generic
representation of a low voltage tub arrangement.
Optical
Interface
Boards
DC to DC
Power Supply
Hinged Panel (Open)
Hinged
Panel
(Closed)
Drive
Processor
Module
Analog
Control
Board
AC to DC
Pioneer
Power Supply
ANALOG
CONTR OL
BOARD
Figure 5.54 – Low Voltage Tub Compartment (Pioneer Power Supply)