Muting Input 3/4 Discrepancy Not Reset
Beckhoff · TwinSAFE Logic FB
What does FB MUTING Bit 10 mean?
A discrepancy error in 'MuteIn3'/'MuteIn4' was detected and has not yet been acknowledged or reset. This indicates a persistent underlying issue with muting input group 2 that needs active resolution and acknowledgment before normal operation can resume. The system will remain in a safe, stopped state.
Complete Troubleshooting Guide
- 1
Address the root cause of the 'MuteIn3'/'MuteIn4' discrepancy (refer to troubleshooting for 'FB MUTING Bit 2').
- 2
Ensure the error is acknowledged via the 'ERR_ACK' input of the related TwinSAFE group after rectifying the fault.
- 3
Verify that the physical conditions causing the discrepancy are no longer present (e.g., sensor issue resolved, wiring fixed).
- 4
Monitor the 'MuteIn3' and 'MuteIn4' signals to confirm stable, synchronized operation after troubleshooting.