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4501

Controller type not allowed

Beckhoff · TwinCAT 2 NC

¿Qué significa 4501 ?

The value specified for the controller type is unacceptable because it is not a defined type within the system (e.g., Types 1-8 are defined, but Type 9 is not). An incorrect controller type prevents the NC from applying the appropriate control algorithms and parameters, leading to misbehavior or non-operation of the controlled axis/system.

Causas comunes

  • The configured controller type parameter (e.g., P3-02, Controller Type) is set to an undefined value (e.g., '9') not supported by the system.
  • Mismatch between the actual physical controller hardware and the selected controller type in the configuration parameters.
  • Outdated firmware on the master controller or drive that does not recognize the specified controller type.
  • Corruption of the configuration memory causing the controller type parameter to default to an invalid value.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    1. Verify the configured controller type parameter (e.g., P3-02) matches one of the defined valid types listed in the system manual (e.g., 1-8).

  2. 2

    2. Consult the system's technical documentation to determine the correct numerical value for the controller type corresponding to the installed hardware.

  3. 3

    3. Ensure the drive or controller firmware is up-to-date and supports the intended controller type configuration.

  4. 4

    4. Re-enter the controller type parameter (P3-02) using the configuration software to ensure correct data integrity.

  5. 5

    5. Perform a full parameter download and power cycle of the controller after making changes to ensure the new type is recognized.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

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