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4. Calling the FB from the OB and Defining the Data Block

How to Use FB in PLC Programming • 11m

Up Next in How to Use FB in PLC Programming

  • 5. Practical Example of Using an FB (...

    In the previous videos in this series, we learned how to create and configure the logic for an FB in the STEP7 programming environment.

    In this video, we will learn how an FB can be used in a practical way through creating the logic for an on/off valve with a command disagree alarm.

    In the ...

  • 6. Practical Example of using an FB (...

    In the previous video in this series, we created an FB in the STEP7 programming environment to open and close an on/off valve with 2 position feedback sensors.

    We also configured an alarm to indicate a command disagree alarm that is generated if the valve has not reached the commanded positi...

  • 7. Practical Example of using an FB (...

    In the previous video in this series, we learned how to create the logic in the Main OB1 to call an FB to control an on/off valve with a command disagree alarm.

    In this video, I will configure the Data Block, or DB, for the Function Block, compile the OB and simulate the operation of the valve...

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