Acquisition Control AW00118303000
88 Basler racer GigE
8.2.4.2 Line Start Trigger Mode = On
When the Line Start Trigger Mode parameter is set to on, you must select a source signal for the
line start trigger. The Line Start Trigger Source parameter specifies the source signal. The available
selections for the Line Start Trigger Source parameter are:
Software - When the line start trigger source is set to software, the user triggers line start by
issuing a TriggerSoftware command to the camera from the host PC. Each time a
TriggerSoftware command is received by the camera, the line start trigger will become valid. It
will become invalid during line acquisition and will become valid again when the next
TriggerSoftware command is received and when the camera is ready again for a new line
acquisition.
Line 1 - When the line start trigger source is set to line 1, the user triggers each line acquisition
start by applying an external electrical signal (referred to as an ExLSTrig signal) to physical
input line 1 on the camera.
Line 2 - When the line start trigger source is set to line 2, the user triggers each line acquisition
start by applying an ExLSTrig signal to physical input line 2 on the camera.
Line 3 - When the line start trigger source is set to line 3, the user triggers each line acquisition
start by applying an ExLSTrig signal to physical input line 3 on the camera.
Shaft Encoder Module Out - When the line start trigger source is set to shaft encoder module
out, the output signal from the camera’s shaft encoder software module will trigger each line
acquisition start.
If the Line Start Trigger Source parameter is set to Line 1, Line 2, Line 3, or Shaft Encoder Module
Out, the user must also set the Line Start Trigger Activation parameter. The available settings for
the Line Start Trigger Activation parameter are:
Rising Edge - specifies that a rising edge of the source signal will start a line acquisition.
Falling Edge - specifies that a falling edge of the source signal will start a line acquisition.
By default, Input Line 1 is selected as the source signal for the Line Start Trigger.
All line start trigger signals input into the camera when the frame start trigger signal
is invalid will be ignored by the camera.
If the Line Start Trigger Source parameter is set to Shaft Encoder Module Out, the
recommended setting for the Line Start Trigger Activation parameter is Rising
Edge.
If the Line Start Trigger Source parameter is set to Line 1, Line 2, or Line 3, the
electrical signal applied to the selected input line must be held high for at least 100
ns for the camera to detect a transition from low to high and must be held low for
at least 100 ns for the camera to detect a transition from high to low.
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