Piranha4 2K and 4K Color Camera User's Manual
57
Teledyne DALSA
03-032-20180-06
The camera can grab images in one of three ways. You determine the three imaging modes using a
combination of the Exposure Mode parameters (including I/O parameters), Exposure Time and Line Rate
parameters.
Description
Line Rate
Exposure Time
Trigger Source
(Sync)
Internal line rate and exposure time
Internal, programmable
Internal programmable
Internal
External line rate and exposure time
Controlled by EXSYNC
pulse
External (EXSYNC)
External
EXSYNC pulse controlling the line
rate. Programmed exposure time
Controlled by EXSYNC
pulse
Internal programmable
External
Figure 30. Exposure controls
The parameters used to select the imaging modes—trigger sources (sync), exposure time, and line rate—
are grouped together as the Camera Controls.
Camera Controls
Parameter
Description
Line Rate (in Hz)
Camera line rate in Hz. Only available when the start line trigger parameter is
disabled (Trigger Mode off).
Exposure Mode
Set the operation mode for the camera’s exposure.
Trigger Width or Timed. Trigger Width is only available when Trigger Mode is
enabled.
Trigger Width
Uses the width of the current line trigger signal pulse to control the exposure
duration.
Timed
The exposure duration time is set using the Exposure Time feature and the
exposure starts with the Line Start event.
Exposure Time Selector
Internally generated. Allows for an independent exposure time to be applied to
each individual color.
Exposure Time
Sets the exposure time (in microseconds). Exposure Mode feature must be set
to Timed
