When setting spd_ref =0,the shaft can't be hold tightly.I can manually twirl the shaft easy . When spd_ref is negative, the motor can't spin .
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When setting spd_ref =0,the shaft can't be hold tightly.I can manually twirl the shaft easy . When spd_ref is negative, the motor can't spin .
Hello,
donnie liang said:I use is v6.2.0
Like Chris said, please don't use 6.2.0 - 6.2.2 compiler, they have bugs! Please update again what you get after you update your compiler.
Btw Chris, I cannot find this sticky note anymore about the compilers that have bug , is it deleted?
Best regards,
Maria
Donnie,
The InstaSPIN-MOTION lab 12b is a velocity project. It is designed to control the speed of the motor, not the position. If you switch to labs 13 those are designed to control the position of the motor and you should see much better position holding performance.
Adam,
Thank you for replying. I have done labs 13 and I found that the shaft can be hold tightly enough as you say.It should be satisfied to my design. But I found a new problem at lab 12b using compiler v6.2.5 and v6.2.10.The motor can't spin when spd_ref_krpm < - 0.5. There is no this problem at the lab 5e .
Thank you.
Best Regards,
Donnie Liang