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2.3 SOFTWARE
FEATURES
The detector is interfaced with the Radiographic System through programmation and control via a
serial link and a message protocol.
The detector can send to the System, upon request, messages containing the hardware and software
revision numbers, and the detector's serial number and date code.
The detector has built-in self-test features to provide the System with information for malfunction
diagnostic and preventive maintenance (see mode table).
The detector can generate, if enabled, error or warning messages in case of communication or
internal electronics malfunctions (such as internal voltages drifts or breakdowns). It is the System's
responsibility to decide what to do in case of such an error or warning.
The detector has built-in low-level routines that can be used by the System to perform image quality
tests.
The detector has a built-in set of test patterns that can be used to check the operation of the
detector's electronics (analog test patterns) and of the image data transmission (digital test patterns)
: see mode table and software interface specification.
If the detector has to reboot due to an internal error, it is able to come up to a normal operating
mode by itself.
2.4 OPERATION
MODE
- SYNCHRONIZATION
The internal detector timing is synchronized with an external signal connected to the Mains
synchronization input (see Power supply and mains synchronization input connector in section
2.2.1)
External synchronization period is 20 ms when operating on 50Hz mains frequency and 16.7 ms
when operating on 60 Hz mains frequency. The operation timing sequences remain the same
whatever the mains frame rate is.
2.5 ENVIRONMENTAL
CONDITIONS
The transport and storage environmental conditions are (detector inside its original packing) :
- temperature range :
- 25 °C to + 55 °C
- relative humidity :
10 % to 95 % R.H.
- pressure :
70 to 106 kPa
- shocks :
25 g , 6 ms , 150 shocks in X,Y,Z axis
- vibrations :
5-9 Hz , 3.5 mm / 9-500 Hz , 1 g / X,Y,Z axis