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TMS320F28069M: InstaSPIN-FOC Lab05a change spin direction

Pavlin Stoyanoff
Expert 1655 points
Part Number: TMS320F28069M

Hi! I  am not sure if I am doing it correctly. I am using lab05a as reference for my project. At the default state when I set IqRef_A to negative value the motor spins slowly and max rpms I get when the IqRef_A is positive. In order to change spin direction I have to set SpeedRef_krpm to negative value. But now the IqRef_A responds backwards - positive value for low speed, max krpm for negative speed. Is this correct? Am I doing it correctly or there is another approach in changing motor spin direction and rpm control respectively?

thanks!

  • 0
    TI__Guru** 114200 points

    Set the gMotorVars.IqRef_A to a positive value for forward rotation. Set the gMotorVars.IqRef_A to a negative value for reverse rotation. The reference speed will be set in updateIqRef() for the rotation direction automatically in lab05a.