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ERR_PACKET_ALLOC
Firmware use only
Allen-Bradley · MicroLogix 1400 Programmable Controllers
Was bedeutet 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.
Häufige Ursachen
- Insufficient free memory for Modbus TCP packet structures.
- High volume of network traffic requiring more packet allocation than available.
- Memory fragmentation within the controller.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Reduce network traffic volume directed at the controller's Modbus TCP interface.
- 2
Review controller memory usage and optimize other applications if possible.
- 3
Restart the controller to clear temporary memory issues and free packet resources.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Allen-Bradley MicroLogix 1400 Programmable Controllers