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24604
Equal/Higher Priority Command in Process
Allen-Bradley · Logix 5000 Advanced Process Control and Drives
¿Qué significa 24604 ?
The SCMD (Equipment Sequence Command) instruction failed because an equal or higher priority command is currently being processed by the Equipment Sequence. This fault prevents concurrent command execution, ensuring that commands are processed in an orderly manner based on their priority and arrival.
Causas comunes
- Another command of equal or higher priority is actively processing within the Equipment Sequence.
- Multiple SCMD instructions are attempting to issue commands simultaneously to the same Equipment Sequence.
- The Equipment Sequence's command queue is busy with an existing operation.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Wait for the currently processing command to complete its execution before issuing a new SCMD instruction.
- 2
Implement logic to ensure that only one SCMD instruction is active or pending at a time for a given Equipment Sequence.
- 3
Review the Equipment Sequence's command processing mechanism or queue if available to understand command handling.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Allen-Bradley Logix 5000 Advanced Process Control and Drives