Excessive position feedback difference

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The DIAX04 SSE-03VRS drive has detected a significant discrepancy between its internal commanded position and the actual position reported by the feedback system. This fault typically occurs in applications with high-precision positioning requirements or when there's a mechanical issue preventing the motor from accurately reaching its target. It prevents inaccurate movements and potential collisions.

• Mechanical slippage or backlash in the drive train between the motor and the load.
• Motor encoder is slipping on the motor shaft or its coupling is loose.
• Faulty motor encoder providing incorrect position feedback to the DIAX04 SSE-03VRS.
• Insufficient motor torque to move the load to the commanded position, resulting in a large following error.
• Incorrectly set position loop gain (e.g., S-0-0103) or monitoring window (e.g., S-0-0044) in the DIAX04 SSE-03VRS.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Inspect the mechanical system for any backlash, slippage, or excessive friction. Check couplings, gears, and belts for integrity.

2. 2

   Verify the motor encoder mounting is secure and its coupling to the motor shaft is tight. Check encoder wiring for damage or noise.

3. 3

   Review and adjust the position loop tuning parameters (e.g., S-0-0103) and position window monitoring (S-0-0044) in the DIAX04 SSE-03VRS controller.

4. 4

   Ensure the motor is properly sized for the application load and is not operating in a stalled or overloaded condition.

5. 5

   If the problem persists, monitor the encoder feedback signals and compare them against the commanded trajectory using diagnostic tools. Consider replacing the encoder.