Excessive deviation

What does F2028 mean?

The actual position or velocity deviates excessively from the commanded value. This indicates a loss of control or an inability of the drive to follow the motion profile.

• Mechanical binding, obstruction, or excessive load preventing the motor from following commands.
• Incorrect control loop tuning (e.g., P, I, D gains) resulting in instability or sluggish response.
• Faulty motor or encoder feedback, leading to inaccurate actual value reporting.
• Drive undersized for the application's inertia or acceleration requirements.

Click steps to track your progress.

1. 1

   Inspect the mechanical system for any binding, blockage, or excessive friction that would prevent the motor from moving freely.

2. 2

   Verify the motor and encoder cabling for secure connections, proper shielding, and continuity.

3. 3

   Check the drive's control loop parameters (e.g., position loop gain, velocity loop gain) and re-tune if necessary, starting with lower gains.

4. 4

   Ensure the motor and drive are correctly sized for the application's inertia and dynamic requirements.