Hologic QDR 4500 Technical Manual page 17

Table Up/Down
Motor and Position
Encoder
TX Stepper Motor
Driver
Table In/Out Motor
and Position
Encoder
TY Stepper Motor
Driver
Table Left/Right
Motor and Position
Encoder
AR Stepper Motor
Driver
C-Arm Rotation
Motor and Position
Encoder
AY Stepper Motor
Driver
C-Arm AY Motor
and Position
Encoder
C-Arm Interface
X-Ray Controller
X-Ray Source Unit
Solid State Detectors Converts the X-rays into electrical signals.
Integrator/
Multiplexor
Analog to Digital
Converter
Positioning Laser
Section 1 - Introduction
Raises or lowers the Patient Table and provides position monitoring.
Controls the motion of the Patient's Table in and out motor based on
commands from the computer software.
Moves the Patient Table in and out and provides position monitoring.
Controls the motion of the Patient's Table left and right motor based on
commands from the computer software.
Moves the Patient Table left and right and provides position monitoring.
Controls the motion of the C-Arm rotation motor based on commands
from the computer software.
Rotates the C-Arm and provides position monitoring.
Controls the motion of the C-Arm left and right motor based on
commands from the computer software.
Moves the C-Arm left and right and provides position monitoring.
Controls the Aperture and Filter Drum motors, generates timing signals
for the X-Ray Controller and the Data Acquisition System, and provides
power to the Positioning Laser.
Controls the operation of the X-ray source.
Generates the X-ray beam.
Integrates the signals from the Solid State Detectors and applies them to
the Analog to Digital Converter.
Converts the analog signals from the Integrator/Multiplexor to a digital
format.
Provides a laser beam to assist in positioning the patient on the Patient
Table.
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