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0030
SUBROUTINE NESTING EXCEEDS LIMIT
Allen-Bradley · MicroLogix 1400 Programmable Controllers
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The nesting level of JSR (Jump to Subroutine) instructions exceeded the controller's available memory space for the call stack. This is a non-user fault, indicating an architectural limitation has been surpassed by an overly deep program structure.
Häufige Ursachen
- Excessive number of nested JSR instructions in the program.
- Deep subroutine calls consuming too much call stack memory, leading to an overflow.
- Recursive subroutine calls without proper termination conditions.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Correct the user program to reduce the nesting levels of JSR instructions, ensuring they meet the controller's specified restrictions.
- 2
Restructure the program logic to minimize deep subroutine calls, possibly by using flatter logic or status bits.
- 3
Reload the modified program and enter Run mode.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Allen-Bradley MicroLogix 1400 Programmable Controllers