Tuning the Position Control Loop

Step 1

Step 2

With the velocity loop tuned, the position control loop can now be adjusted. If the velocity loop is not well tuned, it is impossible to tune the position control loop. To tune the Position Control Loop the Reversing sequence command is necessary. The Velo Step Sequence is only concerned with velocity. To tune the position loop it is important to select parameters which are actually achievable. Commanding an acceleration which is not possible will result in a very large lag distance at the beginning and there is no point in trying to tune for a move which cannot be physically performed.

With a realistic move command it can now be seen that the axis could follow this move. What is achievable will depend on the mass mounted on the mover.