PID loop tuning

Instrumentation and Process Control

  • Question 1

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 2

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 3

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 4

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 5

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 6

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 7

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer
  • Question 8

    Examine this process trend showing the PV, SP, and Output of a loop controller:

    Based on what you see here, determine the following:

    {\bullet} Whether this is an open-loop or a closed-loop response
    {\bullet} Whether the controller is (or needs to be) {\it direct-acting} or {\it reverse-acting}
    {\bullet} If possible, identify any problems with the field instrumentation
    {\bullet} If possible, identify any problems with the controller PID tuning
    {\bullet} Qualitatively identify the kind of PID tuning we will need for robust control

    Reveal answer

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