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ERR_QUE_FULL
Firmware use only
Allen-Bradley · MicroLogix 1400 Programmable Controllers
Hva betyr ERR_QUE_FULL ?
This error is for firmware internal use only, indicating an internal queue is full. This suggests an overload condition within the controller's Modbus TCP processing, where incoming requests are exceeding the system's ability to process them.
Vanlige årsaker
- High volume of Modbus TCP requests overwhelming the controller's processing capacity.
- Slow response from the Modbus TCP application logic causing queue buildup.
- Insufficient internal buffer size for handling peak traffic.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Reduce the rate and frequency of Modbus TCP requests sent to the controller.
- 2
Optimize the controller's application logic handling Modbus TCP requests to improve processing speed.
- 3
Restart the controller to clear any transient queue overload conditions.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Allen-Bradley MicroLogix 1400 Programmable Controllers