Symptoms
PROFINET communication fault - drive did not receive controller telegrams within PROFINET monitoring time.
Possible Causes
- PROFINET controller stopped or abnormal
- PROFINET network data refresh time too short
- Communication cable broken or plug loose
- Electromagnetic interference on PROFINET line
Troubleshooting Steps
- Check PROFINET controller status
- Extend PROFINET network data refresh time if many stations
- Check communication cable for breaks or loose plugs
- Check PROFINET port for damage
- Use Siemens dedicated PROFINET cable, replace ordinary network cable
- Verify proper grounding of PROFINET controller and drive
- Keep PROFINET cable >20cm from power cables, max 100m length
- To suppress: P2118[x]=8501, P2119[x]=3 (may prevent normal stop - set emergency stop)
How to Reset
Reset by: 1) Correct the fault condition. 2) Press RESET button or send reset command via communication. 3) Verify fault does not recur during operation.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: Siemens SINAMICS G120 Common Faults Manual (ad.siemens.com.cn)
Category: Electrical
No comments yet. Be the first to share your experience!