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A01631

Motor holding brake / SBC configuration does not make sense

Siemens · SINAMICS G120

¿Qué significa A01631 ?

The parameterization of the motor holding brake or Safe Brake Control (SBC) contains an illogical or contradictory configuration, such as p1215 = 0 or 3 while p9602 = 1. This prevents correct and safe brake operation, potentially leading to unintended motor movement.

Causas comunes

  • Contradictory settings between P1215 (Brake module type) and P9602 (Safe Brake Control (SBC) enabled) parameters.
  • Attempting to enable SBC (P9602 = 1) without a compatible brake module type selected in P1215.
  • Incorrect motor holding brake parameters (e.g., P1216, P1217) entered that do not align with the motor's physical brake.
  • Incomplete or incorrect safety function commissioning steps after enabling SBC.
  • Missing required hardware components (e.g., Safe Brake Adapter module) when SBC is enabled.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Review and adjust parameter P1215 (Brake module type) to correctly reflect the installed brake or brake module (e.g., set to 1 for external brake, 2 for internal brake control).

  2. 2

    If Safe Brake Control (SBC) is intended, ensure P9602 is set to 1 and P1215 is configured for an SBC-compatible brake module (e.g., not 0 or 3 if SBC requires a specific type).

  3. 3

    Verify the brake opening time (P1216) and closing time (P1217) are set to reasonable values appropriate for the physical brake.

  4. 4

    If SBC is enabled, confirm that all necessary safety-related parameters (e.g., P9501, P9601) related to safety functions are properly configured and acknowledged.

  5. 5

    Check for the correct installation and cabling of any external Safe Brake Adapter modules if P9602 is enabled.

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Datos técnicos verificados. Última actualización: March 2026

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