Imaging Unit - Canon CXDI-50C Service Manual

Imaging Unit

1.4
The Imaging Unit's function is listed below:
(1) Converts the acquired X-ray image to light signal using the fluorescent screen and stores.
(2) After reading the stored electric signal (Image) from the sensor, perform the A/D conversion
and stores it on the frame memory temporally.
(3) Reduce the electric signal at the same time as storing and transfer it to the Control PC
through the Power Box.
1.4.1
Sensor data file disks
The data files unique to the sensor (LANMIT) are recorded on floppy disks. "Sensor data" refers to
the sensitivity, deficiencies and other data unique to the sensor unit. The sensor data is recorded
inside the sensor unit, and automatically downloaded to the control PC as sensor data files by the
control software.
1.4.2
Sensor cable
These cables are used to connect the CXDI-50G/50C Imaging unit and Power Box.
-Communication line connected via the power box between the Imaging unit and Control PC.
-Power line for supplying power from the Power box to the Imaging unit.
-Communication line between the Imaging units - Power Box.
1.4.3
Grid unit
This is the external fixed grid can attach and remove.
The four types of grids in the table below are provided.
1
2
3
4
3. Function
Grid ratio
10:1
8:1
6;1
4;1
5
Convergence
Grid density
distance
180cm 40 LP/cm
110cm 40 LP/cm
150cm 40 LP/cm
110cm 40 LP/cm