Configure AB MPL-B320 Servo

@tyronet2

You need the MPL-B320 axis to hold tighter positional accuracy without trading overshoot for instability under the actual rotational load. My approach would begin with a complete backup and review of the motion profile, scaling, encoder configuration, load inertia, mechanical backlash, following error, and current position and velocity loop settings. I’ll establish baseline repeatability using logged position error and consistent move profiles, then adjust the Kinetix tuning in controlled steps. The work will separate mechanical drift or coupling issues from control-loop behaviour before changing gains. Validation will cover repeated positioning moves, settling time, overshoot, following error, and behaviour across representative speeds and load conditions. All changes will be recorded with original and final parameter sets, test results, rollback instructions, and any mechanical or feedback limitations discovered. Live adjustments should be performed with appropriate machine safety controls and an operator available at the equipment. Which Kinetix drive, controller, Studio 5000 version, feedback device, and positional tolerance are currently specified?

@Cruz1217

The drift you’re seeing often comes from a mismatch between the encoder resolution and the controller’s scaling factor. I’ll start by pulling the current Kinetix parameter set, then adjust the PID gains and feed-forward terms to tighten the position loop. After the tweaks I’ll run a quick live test to confirm the new profile meets the tighter tolerance. A common mistake is leaving the velocity loop too aggressive, which fuels overshoot on short moves. You’ll get a concise hand‑over report and repeatability data showing the servo now holds within the required accuracy.