Hi, Im using C2000 development kit with TMS320F28035 controller to drive ESTUN EMJ-04APB22 AC servomotor with the 2.1 PMSM code of ControlSUITE.
I have some troubles with QEP signals from the encoder. Signal get out from the enccoder correcly, so iIf I power only the controller, the variable RawTheta (that counts pulses) of the qep1 structure increases its valor if i move the rotor. But if I power the motor, the variable stops to count qep impulses. I think it's due to GND potential that oscillates around ground potential of the motor shell, because if I power the kit with an esternal supply with true zero on negative pole, the control work properly.
Did anyone had same problem?
There's a solution?
