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Use STSW-SPIN3201 to drive PMSM motor

Question asked by Ricky Huang on Mar 6, 2017
Latest reply on Mar 8, 2017 by Enrico Poli

Hello,

 

I use STSW-SPIN3201 to drive a PMSM motor for industrial fan. After I modified the motor parameters by MC Workbench and re-builded the project. The motor can be driven. Now, I have one questions.

 

The question is when I replace the STSW-SPIN3201's shunt resistors from 10 mOhms to 2 mOhms, and modified the shunts value in the MC Workbench, then re-generate the head file. The motor can't be driven. The fault status on the MC Workbench is "Speed feedback". How can I fixed this issue?

 

Thanks!

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