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25. Getting Ready to Build a Pallet

Allen-Bradley PLC Programming | Advanced Course • 1m 58s

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  • 26. Labeling Station Logic

    A “First-In-First-Out”, or “FIFO” stack is a simple way to organize and keep track of data in a process that is moving and continually changing. A FIFO is simply defined as a set of addresses that hold data.

    We will use an integer data file to hold a serial number to be printed on each box. We h...

  • 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...