User Manual of Area Scan GigE Camera
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function can apply to the LED light that takes time to be stable after starting. It is
necessary for a stable light source when capturing images. Pre-trigger time can be set
through Strobe Line Pre Delay in the client as shown in Figure 3-23.
Strobe
Trigger_in1
Sensor
exposure
Intergration1
Intergration2
Intergration3
Trigger
delay
Trigger_in2
Trigger
delay
Trigger_in3
Trigger
delay
Duration
Strobe pre delay
Figure 3-23
Strobe Pre-trigger Sequence Map
3.6
Acquisition Mode under External Trigger
The acquisition mode under external trigger includes single frame mode, burst mode
and PWM mode. The relationship among the input trigger signal, the Strobe output
signal, the exposure time and readout time under different modes is as follows:
(1) Single frame mode
Expose only once when inputting one trigger signal.
Sensor
exposure
Intergration1
Intergration2
Intergration3
Trigger_in1
Trigger
delay
Trigger_in2
Trigger
delay
Trigger_in3
Trigger
delay
Figure 3-24
Single Frame Mode
The frame rate and exposure time decide to trigger the next frame or not when reading
out camera data. If exposure is in progress, the camera will ignore another external
trigger signal. You can set a longer exposure time to achieve Bulb Shutter.