Sequence Trigger Function - IAI GO-2401M-PGE User Manual

MultiROI On Mode

■ Sequence Trigger function

The Sequence Trigger function lets you define up to 128 preset combinations of exposure time,
gain, ROI, and other settings which can be stepped through each time a trigger is received. This is
particularly useful for quickly capturing multiple exposures of objects under inspection to adjust for
areas or components with significantly different levels of reflectance. The order of execution and the
repetition of particular presets are based on user-defined parameters stored in the sequence, as well
as the sequence mode selected in the [Video Send Mode Selector].
Two operation modes (Trigger Sequence and Command Sequence) are available for the Sequence
Trigger function.
Trigger Sequence mode
With this mode, the Sequence Trigger "pattern" is predetermined by the user. The user defines up to
128 different "indexes." Each index represents a combination of the following parameters:
• ROI (width, height, offset X, and offset Y)
• Exposure Time
• Gain Level (R/B Gain can also be configured on the color model)
• Black Level
• Binning Mode (monochrome only)
• LUT Enable (whether or not to enable the use of LUT for this index)
• Frame Count (the number of times to repeat this index before moving to the next)
• Next Index to execute in the predetermined pattern
In addition to these individual index parameters, two other parameters are applied to the entire
sequence:
[Sequence LUT Mode] defines whether Gamma or LUT is to be applied to the sequence. If Gamma
is selected, the Gamma setting defined in the camera's Analog Control section will be applied to all
exposures in the sequence. If LUT is selected, the LUT characteristics defined in Analog Control will
be applied to any index where [Sequence LUT enable] has been set to ON.
[Reset Sequence Index] causes the index selector to be reset to Index 1. Thus, the sequence pattern
will start over at the next trigger.
In Trigger Sequence mode, patterns always begin with Index1. Subsequent triggers follow the user-
defined values in [Sequence Index Frame Count] and [Sequence ROI Next Index].
Assigning a Next Index value of "1" to an index creates a loop back to the start of the sequence
pattern. Setting a Next Index value to "OFF" causes the value of [Sequence Repetition] to be applied
as described below.
Sensor
Specify an ROI in the area scanned by
Sensor ROI and output as a separate
stream.
Frame
Memory
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