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F01661

Simulation of the safety inputs active

Siemens · SINAMICS G120

¿Qué significa F01661 ?

The simulation mode for the digital inputs of the Control Unit (F-DI) is currently active. Safety functions cannot operate reliably while in simulation mode, which could mask actual input conditions and lead to unsafe operation if not deactivated before live use.

Causas comunes

  • Parameter P60000 (Safety functions simulation) is inadvertently set to a value other than '0' (deactivated).
  • A commissioning engineer activated simulation mode for testing and forgot to deactivate it.
  • A control signal or HMI command enabled the simulation mode through a different parameter or command.
  • Non-volatile memory corruption causing P60000 to default to an active simulation state.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Set parameter P60000 (Safety functions simulation) back to '0' to deactivate the simulation mode.

  2. 2

    Save the parameters to non-volatile memory (e.g., P0977=1) after deactivating simulation.

  3. 3

    If P60000 cannot be changed, check if a higher-level safety function acknowledgment (e.g., P9700=1) is pending.

  4. 4

    Verify that no external control signals or HMI commands are actively forcing P60000 to an enabled state.

  5. 5

    Perform a full power cycle of the drive system after deactivating simulation mode and saving parameters.

Ver todos los códigos en este manual (109)
Datos técnicos verificados. Última actualización: March 2026

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