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IHM08M1 with NUCLEO-H743ZI2 board in FOC mode.

VKost.2
Associate II

Hi! 

I need to control a BLDC motor in FOC mode. I have a NUCLEO-H743ZI and IHM08M1, I know that they are not compatible with the ST morpho connector. But I decided to connect them manually with wires.

On IHM08M1 board I removed capacitors C3, C5, C7, closed jumpers JP1&JP2, and soldered JP5&JP6 to 3Sh.

On Nucleo board I configured advanced TIM1 with 3 Channels: 

TIM_CH1, TIM_CH1N, 

TIM_CH2 TIM_CH2N,

TIM_CH3, TIM_CH3N

And wired them to the power board.

When I trying to generate PWM signal, there are any outgoing signal on any of 3 Phases.

Do I miss something?

Thank you!

2 REPLIES 2
Laurent Ca...
Lead II

Dear @VKost.2​ 

Sorry for the late answer.

Do you have still this problem to solve?

And just in case, if not, do not hesitate to share the final solution you found. Thanks by advance.

Best regards

Laurent Ca...

VKost.2
Associate II

As I understand it is important to configure dead time and channel polarities for this power board. I took TIM1 configuration from ST Workbench generated project and it worked nice.