Figure 1-4. Qdr 4500 Block Diagram (Scanner Unit) - Hologic QDR 4500 Technical Manual

TO/FROM
COMMUNICATION
CONTROLLER
15/24V
EMERGENCY
28V DC
TO/FROM
POWER
MODULE
LEFT/RIGHT PEDESTAL

Figure 1-4. QDR 4500 Block Diagram (Scanner Unit)

Section 1 - Introduction
DISTRIBUTION
TO/FROM C-ARM INTERFACE (FIGURE 1-5)
CONTROL
PANEL
CONTROLLER
TX STEPPER
MOTOR
DRIVER
TY STEPPER
MOTOR
DRIVER
AR STEPPER
MOTOR
DRIVER
AY STEPPER
MOTOR
DRIVER
TZ DRIVE
MOTOR
CONTROLLER
CONTROL PANEL
TABLE IN/OUT
MOTOR AND
POSITION ENCODER
TABLE LEFT/RIGHT
MOTOR AND
POSITION ENCODER
C_ARM ROTATION
MOTOR AND
POSITION ENCODER
C_ARM CARRIAGE
MOTOR AND
POSITION ENCODER
PEDESTAL LEFT
MOTOR AND
POSITION ENCODER
PEDESTAL RIGHT
MOTOR AND
POSITION ENCODER
1-5