1.19 Appendix A. Specific Camera / Sensor Data 193
TriggerSource mvIMPACT Acquire TriggerSource GenICam(BCX)
GP-IN0 Line4
GP-IN1 Line5
See also
For detailed description about the trigger modes ( https://www.matrix-vision/manuals/ [mv←-
IMPACT Acquire API])
• C: TCameraTriggerMode
• C++: mvIMPACT::acquire::TCameraTriggerMode
1.19.1.5.2.2 Exposure aka Integration
After an active trigger, the exposure phase starts with a maximum jitter of t
trig
. If flash illumination is enabled
in software the flash output will be activated exactly while the sensor chip is integrating light. Exposure time is
adjustable by software in increments of t
readline
.
1.19.1.5.2.3 Readout
When exposure is finished, the image is transferred to hidden storage cells on the CCD. Image data is then shifted
out line-by-line and transferred to memory. Shifting out non active lines takes tvshift, while shifting out active lines
will consume t
readline
. The number of active pixels per line will not have any impact on readout speed.
1.19.1.5.3 CCD Timing
Name Description Pixel clock
20 MHz 40 MHz
t
trig
Time from trigger
(internal or external) to exposure start
10.2us 5.1us
t
trans
Image transfer time
(move image to readout cells in CCD)
96us 48us
t
readline
time needed to readout a line 96us 48us
MATRIX VISION GmbH
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