Figure 1-5. Qdr 4500 Block Diagram (C-Arm Subsystem) - Hologic QDR 4500 Technical Manual

TO/FROM
DISTRIBUTION
C-ARM
INTERFACE
FROM POWER MODULE

Figure 1-5. QDR 4500 Block Diagram (C-Arm Subsystem)

Block
Computer
Communications
Controller
Distribution Board
Control Panel
Controller
Control Panel
TZ Drive Motor
Controller
1-6
®
QDR 4500 Technical Manual
ANALOG TO
DIGITAL
CONVERTER
CONTROLLER
Description
Controls and commands all QDR 4500 hardware modules.
Controls the flow of commands to and from the Scanner modules via the
communications bus.
Provides the interconnections between the QDR 4500 Operator's Console
and the Scanner.
Interfaces the Scanner's Control Panel to the Operator's Console
computer software.
Provides switches (with visual indicators) for moving the Scanner's C-
Arm and Patient Table. Also provides an Emergency Stop switch.
Controls the motion of the Patient's Table left and right pedestal motors
based on commands from the computer software.
INTEGRATOR
MULTIPLEXOR
X_RAY
LASER
ASSEMBLY
SILICON
DETECTORS
APERTURE
MOTOR AND
SENSOR
DRUM
MOTOR AND
ENCODER PICKUP
X_RAY
SOURCE
UNIT