4.2.2
MCU board (A1)
It is located on top of the unit.
Main tasks are:
•
General controlling of the unit, receiving the signals from the keyboard and
from the different optical sensors.
•
Communicating to the PC via ethernet connection.
•
Driving of the stepper motors of Rotation, Y axis and chin rest.
•
Monitoring the functioning of the motors through the analysis of the signals
(zero position) coming from the zero position light sensors.
•
Driving of the HF group (Generator board and tubehead) in order to provide
the X-ray doses set by the operator on the PC (kV and mA set point) and in the
meantime, check the functioning of this group through the managing of the
relevant alarm signals.
•
Driving of the x-ray button signal and the digital sensor board used to
synchronize sensor acquisition with X-ray emission.
•
Activation of the 2 laser centering devices.
•
Managing of the alarms that can be generated by anomalous conditions
present in the unit and caused by the operator or by a fault. These signals are
sensed by the local MCUs and signal led using specific CANBus messages and
reading temperature sensor placed on the 3D sensor power board.
MCU includes also the configuration and calibration data stored in the EEPROM
memory and the HW key to activate the optional XP exam package and extended
volumes package.
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