Diagnostics
1MAN0158-H11 04-2005 CSIP Level 1
CardioMD Service Manual
5-19
5.5
False Collisions
5.5.1
Locating the Cause of a False Collision
Under normal operation, the CardioMD system detects a collision by performing a logical OR
operation on the input signals from the individual collision sensors. These sensors include:
•
Collimator surface sensor, detector I
•
Collimator surface sensor, detector II
•
Detector edge sensor, detector I
•
Detector edge sensor, detector II
•
Detector end cover sensor, detector I
•
Detector end cover sensor, detector II
•
Detector top cover sensor
•
Rotate gear cover sensor.
To locate a cause of a false collision, it is practical to disable the sensors one by one in order to
determine whether one of the sensors is causing the problems.
Note
. The collision circuit will report a collision when it detects:
•
An open circuit
•
A short-circuit.
All sensors must have a resistance of approximately 20 k
Ω
in the non-collision state.
Summary of Contents for CARDIOMD
Page 1: ...CARDIOMD SERVICE MANUAL 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 10: ...Introduction x CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 16: ...Safe Operating Practices 1 6 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 164: ...Detector Calibration Files 5 60 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 328: ...Installation Procedures 9 38 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 348: ...Planned Maintenance Procedures 11 6 CardioMD Service Manual 1MAN0158 H11 04 2005 CSIP Level 1 ...
Page 465: ......