— 18 —
GO-5101M-PGE / GO-5101C-PGE
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Configure the settings as follows.
Item
Setting value / selectable range
Trigger Selector (trigger operation)
Frame Start
Trigger Mode
On
Trigger Source (trigger signal source)
Any
Trigger Activation (trigger polarity)
Rising Edge (rising edge of input signal), Falling Edge (falling
edge of input signal)
Exposure Mode
Timed (control via exposure time)
Exposure Time
8 bit: 1 to 7999810 (µs)*
1
10-/12-bit: 1 to 7999630 (µs)*
1
Exposure Auto
Off, Continuous
* 1
The maximum value for [Exposure Time] varies depending on the value configured for the [Acquisition Frame
Rate] setting and the [Pixel Format] setting.
The minimum value will differ depending on the [Pixel Format] setting value.
The actual exposure time will consist of the image sensor’s offset duration (13.7 μs) added to the
setting configured on the camera.
When [ExposureMode] is set to [Timed] and the exposure time is set to 1 μs, the actual exposure
time will be as follows.
1 μs + 13.7 μs (offset duration of image sensor) = 14.7 μs
When [ExposureMode] is set to [TriggerWidth], the exposure is slightly longer than the width of the
trigger signal. To achieve an exposure time of 14.7 µs and the exposure time offset is 13.7 µs, use
14.7 µs - 13.7 µs = 1 µs as the high or low time for the trigger signal.
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Configure settings related to exposure control methods and trigger control.
The factory settings are as follows. Change settings as necessary, according to the intended purpose
or application.
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Item
Default value
Trigger Selector (trigger operation)
Frame Start
Trigger Mode
Off
Trigger Source (trigger signal source)
Line 5 - Optical In 1
Trigger Activation (trigger polarity)
Rising Edge (rising edge of input signal)
Exposure Mode
Timed (control via exposure time)
Exposure Time
43864 (µs)
Exposure Auto*
Off
*
This item is only enabled when [Exposure Mode] is set to [Timed].
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When [Exposure Mode] is set to [Off], [Trigger Mode] cannot be set to [On]. Other settings may also be restricted
depending on the exposure mode, so be sure to set the exposure mode before configuring the trigger settings.
Adjusting Packet Size: With [Trigger Mode] set to [Off] and [Exposure Mode] set to [Continuous], clicking the
(Start Acquisition) button should produce a live image. If, however, you can only see a black screen, it may be the
result of the packet size setting in the camera being larger than the packet size setting in the GigE NIC or switch.
To correct the problem, you can either reduce the [Packet Size] setting to a value less than 1500 in the JAI Control
Tool (under [Transport Layer Control] / [Stream Channel Selector], or set your NIC or switch to support “Jumbo
Frames.” This setting is typically found in the Advanced Adapter Settings for the NIC or switch which can be
accessed through the Device Manager on your PC.
■
Control via External Triggers
