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26. Labeling Station Logic

Allen-Bradley PLC Programming | Advanced Course • 6m 0s

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  • 27. The FIFO Load Logic

    Similar to a Timer or Counter data file type, the “Control Data File” has a special structure that is used to maintain the current position being processed in the FIFO stack and to control the process to load new data into the stack and eject data from the stack.

    The most important parameters ar...

  • 28. Loading the Serial Number into th...

    We need to load the source data address with the appropriate label data whenever a box is detected in the sizing station.

    For this example, we are going to assume that each box will be labeled with a serial number based on box size.

    Small boxes will be labeled with a serial number that begins w...

  • 29. Unloading the FIFO Data-Featured ...

    The data in the FIFO will be unloaded to the labeler in the same order that the boxes passed through the sizing station. This is the importance of using a “First-In-First-Out” or FIFO.

    When the box reaches the labeler, a pair of sensors just upstream of the labeler indicates the presence of the ...