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Trigger Control
The camera allows the following controls to be performed via external trigger signals.
Trigger Selector
Frame Start
Acquisition Start
Acquisition End
Acquisition Transfer Start
™ The settings for exposure control and triggers are related to each other. Be sure to configure the settings
described in "Configuring Exposure and External Trigger Settings" (page 17).
Shortest Repetition Period for Triggers
The reciprocal of the maximum frame rate is the time required to output one frame. The shortest
repetition periods for triggers cannot be lower than that value.
■ When [Exposure Mode] is [Timed]
Example: When [Trigger Source] is set to [Line 5 - Optical In 1] and [OptIn Filter Selector] is set to
[10 µs]
Scanning range
Full
ROI 2/3 (Height = 810)
ROI 1/2 (Height = 608)
ROI 1/4 (Height = 304)
ROI 1/8 (Height = 152)
Binning Vertical 2*
* GO-2401M-PGE only
Exposure and readout cannot overlap on the GO-2401-PGE. The above table indicates the shortest trigger
periods for the shortest exposure times. By adding the value of the exposure time you are using to the
values in the table, you can determine the shortest trigger periods under your own usage environment.
Trigger
CMOS exposure
Exposure active
FVAL
8-/10-bit packed
10-bit
Start exposure in response to the external trigger signal input. Select this to perform
exposure control using external triggers.
Start image acquisition in response to the external trigger signal input.
Stop image acquisition in response to the external trigger signal input.
Output acquired images at a specified timing in response to an external trigger
signal input. (Up to 7 frames for 8-bit, and up to 3 frames for 10-/12-bit.)
Shortest period of trigger
8-/10-bit
30.782 ms
30.782 ms
30.782 ms
30.782 ms
30.782 ms
30.782 ms
t1
t2
Exposure duration
t1
10 µs (minimum)
80.0 µs
— 28 —
Description
Next trigger disabled
t3
t2
t3
827.8 µs
GO-2401M-PGE / GO-2401C-PGE
Next trigger
input enabled
t4
t4
336 µs
10.6 ms
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