ALLIED Vision Technologies Guppy F-503 - Manual (Page 172)

Controlling image capture
GUPPY Technical Manual V7.1.0
172
The Guppy F-503 has two shutter modes:
• electronic rolling shutter (ERS) and
• global reset release shutter (GRR)
Guppy F-503, Trigger_Mode_0, electronic rolling shutter
• IntEna is high, when all pixels are integrated simultaneously.
• IntEna starts with start of exposure of last row.
• IntEna ends with end of exposure of first row.
 No IntEna if exposure of first row ends before the last row starts.
Long exposure time:
To get an IntEna signal the following condition must be true:
T
exp eff.
= T
exp
- T
frame
> 0
Note

With this two shutter modes only Trigger_Mode_0 is possible.
Details are explained in the following diagrams.
Figure 98: Trigger_Mode_0: Guppy F-503 electronic rolling shutter (long exposure time)
IntEna
T
row
FVal
T
exp
T
frame Overlapping:
good for flash
T
exp
– T
frame
> 0