Flash Window Signal - Basler acA2040-55 User Manual

AW00123409000
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon API and the pylon Viewer, see Section 3.1 on
For more information about changing the selection of a camera output signal as the source signal
for an output line, see Section 5.12.1 on
For more information about the electrical characteristics of output line Line 2, see Section 5.8.1 on
page 75, and of GPIO Line 3 and Line 4, set for output, see Section 5.9.4.1 on
6.8.2

Flash Window Signal

Cameras with a rolling shutter imaging sensor (acA1920-25, acA2500-14, acA3800-14,
acA4600-10 models) can provide a flash window output signal to aid you in the use of flash lighting.
The flash window signal will go high when the flash window for each image acquisition opens and
will go low when the flash window closes. Figure 74 illustrates the flash window signal on a camera
with the shutter operating in the rolling mode.
Flash
Window
Signal
Flash Window
Frame Acquisition N
Fig. 74: Flash Window Signal on Cameras Operating in Rolling Mode
The flash window signal is also available on cameras with a global shutter imaging
sensor. On global shutter cameras, the flash window signal is simply the
equivalent of the exposure active signal.
For more information about the rolling shutter and the flash window, see Section 6.6.2 on
Basler ace USB 3.0
page 95.
Flash Window
Frame Acquisition N+1
Time
Image Acquisition Control
page 61.
page 82.
Flash Window
Frame Acquisition N+2
= Line Exposure
= Line Readout
page 145.
163