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CCS/TMS320F28027: Questions about PSFB PCMC

user4994540
Prodigy 40 points

Part Number: TMS320F28027

Tool/software: Code Composer Studio

In TMDSHVPSFBKIT PCMC, why FaultFlg = 1; but in VMC running properly, this problem has puzzled for a long time, and hope to help solve. Thank you

  • 0
    TI__Genius 10820 points

    Hello,

    Please make sure that the PWM jumpers on the controller card are correctly populated as described in the user's guide when you change from VMC project to PCMC project. 

    A FaultFlg value of 1 indicates an overcurrent trip. To debug this it is best to start with build 1 (open voltage loop) first and follow the step-by-step procedure in the guide. The overcurrent trip threshold may be changed using the Ipri_trip variable from the watch window.

    I hope this helps.

    Hrishi