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ERR_PACKET_ALLOC

Firmware use only

Allen-Bradley · MicroLogix 1400 Programmable Controllers

¿Qué significa ERR_PACKET_ALLOC ?

This error is for firmware internal use only, indicating a failure to allocate a packet. This suggests a memory issue within the controller for Modbus TCP packet handling, preventing new packets from being processed or transmitted.

Causas comunes

  • Insufficient free memory for Modbus TCP packet structures.
  • High volume of network traffic requiring more packet allocation than available.
  • Memory fragmentation within the controller.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Reduce network traffic volume directed at the controller's Modbus TCP interface.

  2. 2

    Review controller memory usage and optimize other applications if possible.

  3. 3

    Restart the controller to clear temporary memory issues and free packet resources.

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

Fallas relacionadas

Fuente: Allen-Bradley MicroLogix 1400 Programmable Controllers