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0434

Velocity Loop Integral Gain Overflow

Fanuc · Alpha i Series Servo Amplifier

¿Qué significa 0434 ?

This invalid parameter setting alarm indicates that the internal calculation value of the velocity loop integral gain has overflowed. This typically occurs when the parameter setting for the integral gain is excessively high, leading to calculation errors.

Causas comunes

  • Integral term in the velocity control loop has exceeded its maximum allowable value.
  • Persistent steady-state error in velocity control.
  • Incorrect tuning of velocity integral gain (P04-11).
  • External disturbance requiring excessive integral correction.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Decrease the value of the velocity loop integral gain parameter.

Ver todos los códigos en este manual (101)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Alpha i Series Servo Amplifier