Test stop for fail-safe digital output running
Siemens · SINAMICS G120
¿Qué significa A30772 ?
A forced checking procedure (test stop) for the fail-safe digital output is currently in progress. This is a normal safety test to verify the output's functionality and indicates that the system is performing a self-check.
Causas comunes
- Automatic periodic test initiated by the safety control system for fail-safe digital outputs to ensure functionality.
- Manual activation of an F-DO test via safety PLC or HMI during commissioning or maintenance.
- Commissioning or re-validation procedure requiring F-DO testing after a configuration change.
- Internal self-test sequence of the safety module requiring a temporary test of its F-DOs.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Monitor the status LED of the fail-safe digital output module (e.g., integrated safety board) to observe test activity.
- 2
Access the drive's diagnostic interface to monitor the F-DO status word (r0947.x) for test progress and completion.
- 3
Wait for the F-DO test sequence to complete, which typically lasts only a few milliseconds.
- 4
Verify that the connected external safety device (e.g., safety contactor K1) responds correctly to the test pulses after the test.
- 5
Confirm the system returns to normal operation after the test without triggering any F-codes.