iv
TABLE OF CONTENTS
SECTION 1 INTRODUCTION .....................................................................................................1-1
SYSTEM OVERVIEW.............................................................................................................................................1-1
X-RAY SCANNING THEORY ................................................................................................................................1-2
FUNCTIONAL OVERVIEW....................................................................................................................................1-4
PRODUCT SPECIFICATIONS................................................................................................................................1-8
BMD Precision:...................................................................................................................................................1-10
Duty Cycle: .........................................................................................................................................................1-10
Leakage Technique Factors.................................................................................................................................1-10
Minimum Beam Filtration...................................................................................................................................1-10
Measured Half Value Layer (HVL) At Different Operating Potentials...............................................................1-11
Line Voltage and Maximum Line Current ..........................................................................................................1-11
Technique Factors for Maximum Line Current...................................................................................................1-11
Maximum Deviation............................................................................................................................................1-11
Measurement Criteria for Technique Factors......................................................................................................1-11
SECTION 2 FUNCTIONAL DESCRIPTION................................................................................2-1
COMPUTER .............................................................................................................................................................2-1
COMMUNICATIONS CONTROLLER BOARD.....................................................................................................2-1
Interface Connections............................................................................................................................................2-1
DISTRIBUTION BOARD.........................................................................................................................................2-3
Power ....................................................................................................................................................................2-3
Interface Connections............................................................................................................................................2-4
MOTOR CONTROLLER BOARD...........................................................................................................................2-5
Power ....................................................................................................................................................................2-5
Interface Connections............................................................................................................................................2-6
TZ DRIVE BOARD ..................................................................................................................................................2-7
Service Switches....................................................................................................................................................2-7
Power ....................................................................................................................................................................2-8
Interface Connections............................................................................................................................................2-8
CONTROL PANEL CONTROLLER BOARD.......................................................................................................2-11
Power ..................................................................................................................................................................2-11
Interface Connections..........................................................................................................................................2-12
C-ARM INTERFACE BOARD...............................................................................................................................2-15
Continuity Daisy Chain.......................................................................................................................................2-15
Power ..................................................................................................................................................................2-15
Interface Connections..........................................................................................................................................2-16
X-RAY CONTROLLER ASSEMBLY....................................................................................................................2-18
Interface...............................................................................................................................................................2-18
X-Ray Controller Assembly Boards....................................................................................................................2-20
I/O and Logic Board .......................................................................................................................................2-20
Low Voltage Power Supply............................................................................................................................2-20
Power Factor Regulator (PFR) Substitution Board.........................................................................................2-21
Duty Cycle Regulator......................................................................................................................................2-21
H-Bridge Board...............................................................................................................................................2-21
Interface Connections .....................................................................................................................................2-21
X-RAY SOURCE UNIT..........................................................................................................................................2-26
DATA ACQUISITION SYSTEM...........................................................................................................................2-26
Solid State Detector.............................................................................................................................................2-27
Power..............................................................................................................................................................2-27
Interface Connections .....................................................................................................................................2-27
INTEGRATOR/MULTIPLEXOR BOARD ............................................................................................................2-28
Power..............................................................................................................................................................2-29
Interface Connections .....................................................................................................................................2-29
Analog To Digital Board.....................................................................................................................................2-30
Power..............................................................................................................................................................2-31
To Next Page
Loading...
