Spyder 3 CL User's Manual PRELIMINARY 97
DALSA 03-032-20008-03
S3-10-02k40 7.05KHz 8.52KHz
S3-20-02k40 13.6KHz 16.4KHz
S3-20-04k40 7.05KHz 8.52KHz
Immediate read out mode (default, srm 2)
In this mode the image is read out, including accumulated dark current, immediately
following the trigger or the EXSYNC falling edge.
There are no line rate limitations other than the amount of gate dark current that can be
tolerated at low line rates.
There are no timing or exposure anomalies other than situations where EXSYNC is
removed from camera. In this case, the camera will operate in a "watchdog" state.
For information on artifacts that may be experienced while using this mode, see the
Artifacts section below.
Gate dark current clear mode (always on, srm 1)
In this mode the gate dark current will be cleared continuously.
After the trigger (EXSYNC) is received, the dark current is cleared from the image sensor
before the image is acquired. The line rate is limited to ½ the maximum line rate available
for that model of camera.
For information on artifacts that may be experienced while using this mode, see the
Artifacts section below.
Table 18.
Max. Line Rate
Model Immediate Readout
Mode
Dark Current Clear
Mode
S3-10-01k40 36 KHz 18KHz
S3-20-01k40 68 KHz 34 KHz
S3-10-02k40 18.5KHz 9.25KHz
S3-20-02k40 36 KHz 18 KHz
S3-20-04k40 18.5KHz 9.25KHz
When operating in the dark current clear mode, there will be a slight delay,
equivalent to one readout time, before the actual exposure is implemented. The
actual exposure time will not be altered.
Table 19.
Model Exposure Delay and Max Exposure Time in Auto
Mode
S3-10-01k40 27.5 µs
S3-20-01k40 14.75 µs
S3-10-02k40 53.1µs
S3-20-02k40 27.5 µs
S3-20-04k40 53.1µs
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