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Up Next in Introduction to Allen Bradley PLCs - RSLogix 500

  • 15. RSLogix Data Files

    In the previous section of this course, we gave a tour of the RSLogix 500 output, input, and binary files. We demonstrated how individual elements of these file types are referenced, how to change the view of the data file from bitwise to decimal, and how to expand the size of certain data file t...

  • 16. Timer Data Files

    The elements for the single timer that is configured by default include EN, TT, DN, BASE, PRE, and ACC.

    A timer is used to control the timing of a logic event.

    For a MicroLogix 1100, the Preset element can be set from 0 to 32767.

    Each timer requires three words of memory.

    The first word hol...

  • 17. Counter Data Files

    The counter structure is similar to that of the timer because it also has a preset and accumulator value, also called PRE and ACC.

    There are several bits that are set by the counter, including:

    CU for counting up,
    CD for counting down,
    DN to indicate that the counter has reached the preset val...