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X041E0-1
TABLE OF CONTENTS
This document is valid from serial No. 5200
1 System Overview..................................................1-1
2 Stand Overvie w. .. .. ................. ... ................ ... ......... 2-1
Placement of PC-boards and Components, Stand ...........................2-1
List of Boards and Fuses, Stand.......................................................2-2
List of Switches and Components, Stand..........................................2-3
List of Signals and Testpoints, Stand ................................................2-6
List of Voltages and Testpoints, Stand ............................................2-12
3 Stand Functional Diagrams...................................3-1
D801CPU BOARD
D802MOTOR CONTROL BOARD
D803DISPLAY BOARD
D804FORCE AMPLIFIER BOARD
D805WING BOARD
D806ANGLE DETECTOR BOARD, (not used with software v2.1 o r h igher)
D807BOARD FOR LIFT, ROTATION AND LAMP SWITCHES
D808BOARD FOR LIFT AND ROTATION SWITCHES
D809THICKNESS ADAPTER BOARD
D810TILT SWITCH BOARD
S1/D8013-6/1DReset switch for stand CPU.
S1/Object table3-16/2AGrid out switch located in the object table.
S1-1-4/D8023-9/3DCurrent limit switches: 1=+3%, 2=+6%, 3=+12%, 4=+24%.
S1-5/D8023-9/3DTacho On/Off switch for rotation motor drive.
S1-S6/D8073-10/2AControl switches for lamp, lift- and rotation movement. Left and right side.
S1-S4/D8083-10/4BControl switches for lift- and rotation movement. Left and right side.
S2/Object table3-16/2ACassette inserted switch.
S8603-16/3CStereo lever switch
S8613-12/2GCompression limit switch, compression unit.
S8623-12/2GDecompression limit switch, compression unit.
S8653-15/2E18 x 24 Collimator optoswitch
S8663-15/3E24 x 30 Collimator optoswitch
S8673-15/4EFilter position, optoswitch
S8683-15/5EFocus position optoswitch
S8693-8/3GTacho optoswitch
S8803-4/2BEmergency stop, switches of 24VAC and 14VAC, machine blocked.
S8813-9/2GLift up limit switch, rotating unit.
S8823-4/2ALimit switch, distance tube head - floor <50 mm, switches off 24VAC,
machine blocked.
S8833-8/4BCollision protection switch, risk of collision when tubehead is less than
120 mm from the floor.
S8843-9/2GLift down limit switch, rotating unit.
S8903-16/3CAEC in position switch (Wing 1).
S8913-16/3CObject table locked in position (Wing1).
S8923-16/2CObject table locked in position (Wing 2).
S8943-16/3CSelect wing 1 switch
S8953-16/3CSelect wing 2 switch
0
S8963-13/5BTilt opto-switch. 0° or ±10
S8973-15/2GDiaphragm switch.
S33-12/5FDecompression button (only with separate control console).
ACT_SPEEDTest point for frequency to voltage converted tacho signal.
AEC_POSAEC-detector in position near breast.
ANGLE_MEMOperator control signal for preset stop angle.
ARSignal given to generator as exposure request. If grid used, grid has started.
BR_OPENBridge open, compression force strain gauge not working correctly.
BR_RETCompression force strain guage return line (appr. 0V)
*BRAKEControl signal to brake reversing relay.
*BRAKE_RETO utput to the brakes for max or min braking when active.
BRAKE RELAYOutput to brake reversing relay, max brake if *BRAKE_RET active.
*
C_LAOutput line A. Collimator stepping motor M4
C_LBOutput line B. Collimator stepping motor M4
C_LIMRotation and fast-acting current limit
C_PA1Output Phase A1. Collimator stepping motor M4
*
C_PA2Output Phase A2. Collimator stepping motor M4
*
C_PB1Output Phase B1. Collimator stepping motor M4
*
C_PB2Output Phase B2. Collimator stepping motor M4
*
C_PWMPulse Width Modulated power output to compression motor.
CASS_LOADEDCassette inserted in object table.
COLL_DIRDirection Control signal . For the filter stepping motor.
*
COLL_STEPStep control signal for the collimator stepping motor.
*
COLL_POS_18X24Signal from the 18 x 24 collimator optoswitch
COLL_POS_24X30Signal from the 24 x 30 collimator optoswitch
COMPPower output via compression limit switch to compression motor.
COMP_DIRControls compression motor to compress (moving down)
*
COMP_FORCEAnalog signal indicating compression force.
COMP_OKCompression motor working correctly, no over current.
COMP_PROTCompression relay K1 is working correctly, checked 1s after pedal release.
COMP_SPEEDPulse Width Modulated signal to control speed of compression motor (20kHz).
*
COMPRESSOperator control signal to move compression plate down.
D_PWMPulse Width Modulated power output to rotation or lift motor.
DECOMPPower output via decompression limit swit ch to compression motor.
DECOMPRESSOperator control signal to move compression plate up.
DIRSelecting direction of rotation or lift motor.
*
DRIVE_OKRotation and lift motor are working correctly, no over current, approx. 1.5 s delay.
DRIVE_PROTDMG relay K3 is working correctly, checked 3s after rot/lift button is released.
FI_LAOutput line A. Filter stepping motor M5
FI_LBOutput line B. Filter stepping motor M5
FILTER_DIRControl signal . For the filter stepping motor.
*
FILTER_POSSignal from the filter pos collimator optoswitch
FILTER_STEPStep control. For the filter stepping motor.
*
FO_LAOutput line A. Focus stepping motor M8
FO_LBOutput line B. Focus stepping motor M8
FO_PA1Output Phase A1. Focus stepping motor M8
*
FO_PA2Output Phase A2. Focus stepping motor M8
*
FO_PB1Output Phase B1. Focus stepping motor M8
*
FO_PB2Output Phase B2. Focus stepping motor M8
*
FOCUS_DIRControl signal for the focus stepping motor.
*
FOCUS_POSSignal from the focus pos collimator optoswitch.
FOCUS_STEPStep control signal for the focus stepping motor.
*
GRID_MOTOR_NGrid motor return line.
GRID_OUTActive when the grid is not in stand by position.
GRID_SPEEDPulse Width Modulated signal control speed of grid motor.
*
I1_OUTOutput signal from compression force preamplifier.
KVASignal to terminate exposure. WIRED-OR line, see generator.
*
LAMPOperator control signal for the field l ight lamp.
LAMP_CTRLSignal to switch on the field light lamp.
*
LAMP_VOutput to the field light lamp.
LEDOutput to the LED in the tacho opto switch in the rotation motor.
LED_1O utput to the LED in the 18 x 24 collimator opto switch.
LED_2O utput to the LED in the 24 x 30 collimator opto switch.
LED_3Output to the LED in the filter collimator opto switch.
LED_4O utput to the LED in the focus collimator opto switch.
LIFT_DOWNOper ator control signal to move compression plate down.
LIFT_UPOperator con trol signal to move compr ession plate up.
MIRROR_MAGNET Output to mirror magnet. Enabled via *LAMP_CTRL.
*
MPSMulti processor serial communication for information exchange Master - Slaves.
OKT1_Signal from temperature switch K8 on the tube.
OKT2_Signal from the over pressure switch K9 on the tube.
PGM_SPEEDTest point for duty cycle to voltage converted programmed speed signal.
POT_RETURNReturn line for potentiometers connected to 0VA via a 20Ω resistor.
PRES_FORCEAnalog signal as preset value for maximum compression force.
PRESET_ANGLEAnalog signal as preset value for requested rotation angle.
PUPull up signal for error comparators = +15V, +5V, +24V voltages OK.
RELEASEControl signal to release the brakes from min or max to permanent magnet braking.
*
RESETReset signal to the CPU.
RESET_HWReset signal from the CPU to the reset cicuit, caused by slave restart and CPU watchdog
reset.
RESET_SWSignal from the reset switch to the CPU via the reset circuit.
ROT_CWOperator control signal to rotate the x-ray system clockwise.
ROT_CCWOperator control signal to rotate the x-ray system counter clockwise.
ROT_POSLow level signal pulse indicating +10 or -10 degrees of rotation.
RXDInput for receiving data via MPS.
SEL_ROTLow level signal selects the rotation drive to be controlled.
*
SELECT_WING1Signal from select wing 1 switch. Wing 1 selected.
SELECT_WING2Signal from select wing 2 switch. Wing 2 selected.
SPEEDPulse Width Modulated signal to control speed of rotation or lift motor (20 kHz).
*
STEP_ENABLEControl signal to enable all stepping motors.
*
STEREO_COLLExternal diaphragm switch, diaphragm in place. For stereo or spot diaphragm.
STEREO_LEVERSignal from stereo lever switch, indicating lever not in stereo position.
TABLE_CONFIG4 inputs from object table, see table configuration .
TACHOSignal from rotation motor tachometer.
THICKNESSAnalog signal indicating the compression thickness.
THICKNESS_BBuffered output to the thickness adapter board D809 (Stereo option)
THICKNESS_STE-
REO
TILTIndicates that the stereo angle is 0° or ±10°. Visible through vent opening behind tube.
TUBE ANGLEAnalog signal indicating the rotation angle.
TXDOutput for sending data via MPS.
VHThe stand is informed that the generator has completed its preparation.
ZEROUsed for adjusting offset of the compression force amplifiers.
Isolated analog signal indicating compression thickness for stereo evaluation unit.