User`s manual

78 Spyder3 S3-14 and S3-24 User's Manual
03-032-20117-00 Teledyne DALSA
S3-24-04k40
4.4KHz
7.24KHz
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 w ill 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
S3-14-01k40
36 KHz
18KHz
S3-24-01k40
68 KHz
34 KHz
S3-14-02k40
18.5KHz
9.25KHz
S3-24-02k40
36 KHz
18 KHz
S3-24-04k40
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
S3-14-01k40
27.5 µs
S3-24-01k40
14.75 µs
S3-14-02k40
53.1µs
S3-24-02k40
27.5 µs
S3-24-04k40
53.1µs