19 October 2021
The PID function on ATV drives, only operates based on the feedback from one sensor.
It is important to have the set point and feedback for PID control in VSDs.
Refer to the FAQ link for principle of PID control by ATV VSDs : https://www.se.com/in/en/faqs/FA28050/
Configuring PID functions on Altivar Process Drive : https://www.youtube.com/watch?v=dFHYZtQEYV0