Image processing
4.4 Options for image acquisition and image processing
SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
87
"Image buffer size > 1" setting
With image buffer sizes greater than 1, intermediate buffering takes place between image
acquisition and processing and between processing and result output. In other words: Image
acquisition can at times be performed in a faster sequence and processing can also buffer
results briefly prior to transfer. This allows brief periods of peak load to be handled.
Image acquisition
Image buffer size
Cycle time limit
Trigger
Decoding
Results transfer
Cycle time
Object
Figure 4-16 Time diagram of option single trigger for image buffer size > 1; buffer = 2 in this example
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