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39. Calling a Subroutine from the Main Program

Introduction to Allen Bradley PLCs - RSLogix 500 • 3m 36s

Up Next in Introduction to Allen Bradley PLCs - RSLogix 500

  • 40. More on Documenting a Program

    In the previous section, we showed you how to document addresses, rungs, and program pages and how to generate a simple report.

    There are other documentation features that are very powerful.

    In the project tree,

    “Rung Comments/Page Title” Editor: Each of the entries that we entered in the pr...

  • 41. Using Additional Common Instructions

    We will introduce three new bit instructions and how a logic branch is executed.

    We will program a couple of rungs to demonstrate some common bit functions that will be used in the next example program.

    These instructions can be found in the “BIT” tab of the instruction selection window.

    One...

  • 42. Additional Common Instructions Us...

    We will quickly show other instructions that can be used that are like those instructions we have already used.

    Timer/Counter instruction tab:
    TON: Timer On-delay
    TOF: Timer Off-delay
    RTO: Retentive Timer On-delay
    RES: Reset
    CTU: Count Up counter
    CTD: Count Down counter

    Compare instruction tab:...