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GS2 PID control?? Tips, info, etc?

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  • GS2 PID control?? Tips, info, etc?

    Is there any info on the how/what/where/etc on setting up a GS2 to perform PID control?

    I am going to be using one for level control using a 4-20MA level transmitter as feedback. The control willl be a cetrifigal pump pumping out of a reservoir.

    I cannot seem to find much info or how to videos on this.


  • #2
    Depending upon the drive and PID application, I use these parameters to get going.
    Adjusting the Accel, Decel, Gain, Integral, and Derivative as necessary

    P1.01 (5) Accel
    P1.02 (5) Decel

    *** This is where the 4-20 ma transmitter should go.
    P4.00 Source of Frequency Command
    Set Drive DIP Switch to 10-0Vdc or 4-20ma
    (02) 0-10Vdc AVI
    (03) 4-20ma AVI

    P4.05 Loss of ACI signal 4-20 ma
    (00) Decelerate to 0Hz
    (01) Stop Immediately and display EF
    (02) Continue Operation by the last frequency Command

    P4.11 Analog Output Signal Current A Signal
    (1) Output 0-10 Vdc
    (2) Output 4-20 ma

    P4.12 (100) Analog Output Signal Gain

    P7.00 PID Setting
    Set Drive DIP Switch to 10-0Vdc or 4-20ma
    (00) Inhibit PID Operation
    (01) FWD Acting PID Feedback from AVI 0-10Vdc
    (02) FWD Acting PID Feedback from AVI 4-20 ma
    (03) REV Acting PID Feedback from AVI 0-10Vdc
    (04) REV Acting PID Feedback from AVI 4-20 ma

    P7.01 (100.0) PV 100% Value
    P7.02 (00) Pid Setpoint Keypad
    P7.10 (XX.X) Pid Setpoint 0-999

    Change PID Settings Gain, Integral, and Derivative as necessary
    P7.20 (1.00) PID Proportional 0.00 -10.0
    P7.21 (1.00) PID Integral 0.00 100.0 (00.00 = Disabled)
    P7.22 (1.00) PID Derivative 0.00 1.00
    P7.25 (110) PID Freq Limit 0-110%

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