Can the built-in encoder signal of an integrated servo motor be interfered with by itself?

[Rudolf3]

 

Hello everyone,

I've noticed that my integrated servo motor (https://www.oyostepper.es/category-81-b0-Servomotor-integrado.html) occasionally experiences position feedback fluctuations when running at high speeds, but there are no alarms. Since the motor and drive are integrated, I suspect that the internal power circuitry is interfering with the encoder signal.

I'd like to ask if integrated structures are more prone to electromagnetic interference?

Thank you.