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F7021

Safety related end position exceeded

Bosch Rexroth · IndraDrive MPx02

Hva betyr F7021 ?

This safety technology error indicates that the motor's actual position has exceeded a defined safety-related end position limit on the IndraDrive MPx02. This is a critical safety violation, meaning the axis has moved beyond its designated safe travel range, necessitating an immediate safety stop.

Vanlige årsaker

  • Incorrectly set safety-related end position limits (e.g., S-0-0193, S-0-0194) in the IndraDrive MPx02.
  • Encoder counting error, offset, or corruption, leading to incorrect actual position reporting.
  • Loss of control or an unexpected motion command pushing the axis beyond its limits.
  • Mechanical overrun due to inertia, brake failure, or external forces.
  • Faulty or misaligned external safety limit switch or sensor.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Review and adjust the safety-related end position limit parameters (e.g., S-0-0193 'Positive limit', S-0-0194 'Negative limit') in the IndraDrive MPx02, ensuring they align with the machine's physical limits.

  2. 2

    Verify the motor encoder for accurate position feedback. Check for mechanical slippage, loose couplings, or encoder damage.

  3. 3

    Inspect any external safety limit switches or sensors and their wiring for proper function and connection.

  4. 4

    Analyze the commanded motion profile to ensure that no trajectory attempts to exceed these safety end positions.

  5. 5

    Perform a re-referencing or recalibration of the axis position, if applicable, to ensure accurate absolute positioning.

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Verifisert teknisk data. Sist oppdatert: March 2026

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Kilde: Bosch Rexroth IndraDrive MPx02