Balluff MATRIX VISION mvBlueNAOS, Technical Manual

Page: 177 / 292

1.18 Use Cases 169
1.18.3.5 Detecting overtriggering
1.18.3.5.1 Scenario
The image acquisition of a camera consists of two steps:
• exposure of the sensor and
• readout of the sensor data
During these steps, a trigger signal will be skipped:
Figure 1: Trigger counter increases but the start exposure counter not
To notice overtriggering, you can use counters (p. 73 ):
• One counter counts the incoming trigger signals, the
• second counter counts the ExposureStart signals.
Using the chunk data (p. 79 ) you can overlay the counters in the live image.
1.18.3.5.2 Setting the overtrigger detector using wxPropView
First of all, we have to set the trigger in "Setting -
>
Base -
>
Camera -
>
GenICam -
>
Acquisition Control" with
following settings:
Property name wxPropView Setting
Trigger Selector FrameStart
Trigger Mode On
Trigger Source Line4
Trigger Activation RisingEdge
Exposure Mode Timed
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