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44. Ball Mill Program Development

Introduction to Allen Bradley PLCs - RSLogix 500 • 2m 33s

Up Next in Introduction to Allen Bradley PLCs - RSLogix 500

  • 45. First Specification - Ball Mill S...

    Program specification number one from the previous section says:

    “The Ball Mill, Cooling Fan, and a Lubricating Oil Pump should all go on when a start button is pressed.”

    We could add the start pushbutton to each of the motor rungs, but there is a more efficient way to program this logic. We wi...

  • 46. Second Specification - Startup Timer

    The second specification indicated:

    “If the Mill has operated less than 20 seconds, the oil pump should go off when the Mill is turned off, and the fan is to run for an additional 5 seconds after the shutdown of the Mill to cool the motor.”

    It looks like we will need to add a timer that starts ...

  • 47. Ball Mill Motor Control

    In the previous section, we configured the timer “T4:1” to time for 20 seconds after the Ball Mill motor starts. If the motor stops for any reason, we will need to determine if the motor has run for the 20-second time period.

    A TON timer is reset when the input logic to the timer is false, so if...