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Image processing
3.3 Options for image acquisition and image processing
Auto-trigger edge-triggered with timeout
In the following example, images are acquired with a rising edge of the trigger until an image
can be recognized and decoded, or until the timeout stops image acquisition.
①
②
a
b
c
Figure 3-8
Note
Duration of image acquisition interval and decoding time
Note that the image acquisition interval (b) is always the same length as the decoding time
limit (c).
Number of acquired images = {(Timeout/Acquisition interval) - 1}
48
Trigger initiates the operation.
Trigger signal is ignored.
Image acquisition time
Image acquisition interval
Limit of the decoding time
No code found.
Code found.
Time diagram: Auto-trigger with the "edge-triggered start/stop" option
Operating Instructions, 05/2019, C79000-G8976-C494-02
SIMATIC MV500
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