Guppy PRO Technical Manual
V4.1.2
128
Guppy PRO F-503, Trigger_Mode_0, global reset release shutter
•
IntEna is high, when all pixels are integrated simultaneously.
•
Readout starts with end of exposure of first row.
•
Readout ends with (end of exposure of last row) + (1x T
row
).
Exposure time of first row is:T
exp
Exposure time of second row is:T
exp
+ T
row
Exposure time of n-th row is:T
exp
+ (n-1) × T
row
Thus the image gets brighter with every row. To prevent this the customer
should use:
•
flash (when all rows are overlapping, see drawing above)
•
or a mechanical/LCD shutter
Bulk trigger (Trigger_Mode_15)
Trigger_Mode_15 is a bulk trigger, combining one external trigger event with
continuous or one-shot or multi-shot internal trigger.
It is an extension to the IIDC trigger modes. One external trigger event can be
used to trigger a multitude of internal image intakes.
This is especially useful for:
Note
For activating global reset release shutter in an advanced
register, see
Figure 64: Trigger_Mode_0: Guppy PRO F-503: global reset release shutter
Note
Trigger_Mode_15 is only available for Guppy PRO CCD
cameras.
IntEna
FVal
T
row
T
exp
Overlapping
good for
flash
T
exp