TMS320F280041C: Motor Control Instaspin

santha kumar1

Part Number: TMS320F280041C

We have started our experiments with Instaspin (Motor control SDK) using custom 280041 board. We are able to rotate the motor in V/F mode using our power board but while trying to rotate in closed loop motor is not rotating . It is taking more current and tripping. We are using Hall sensors at the high side instead of shunt resistors at the low side. Do we have to configure any thing specific while using hall sensors ( ACS723-10AB)?

Thanks

santha

over 5 years ago

0 Yanming Luo over 5 years ago

TI__Guru** 116090 points

Please refer to the thread that has a similar topic.

https://e2e.ti.com/support/microcontrollers/c2000/f/171/p/882452/3265760#3265760

0 santha kumar1 over 5 years ago in reply to Yanming Luo

Prodigy 30 points

It is not about the reading the ADC or calculating the RMS value . The question is do we have to take care any thing specific when we use Hall sensors instead of shunt. The user guide only talks about the shunt , not any hall sensor .

Thanks

santha

0 Yanming Luo over 5 years ago in reply to santha kumar1

TI__Guru** 116090 points

The calculation process should be similar. You only need to set the USER_ADC_FULL_SCALE_CURRENT_A in user.h according to the LEM sensor, and the amplifying circuit. And set the correct sign for the current_sf in HAL_readADCDataWithOffsets() in hal.h.

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TMS320F280041C: Motor Control Instaspin