11008
Connection between PLC and device terminated
Kuka · ProfiNet Controller/Device 3.1
What does 11008 mean?
The PROFINET connection between the PLC and the specified device ({Name}) has been terminated. This issue can stem from interrupted power or network connections, or from performance problems related to the number of devices or incorrect cycle times on the PROFINET network.
Repair Steps
- 1
Verify the power supply to device {Name} and confirm the network cable connection is secure and undamaged.
- 2
Review the PROFINET network topology and the configured bus cycle times in WorkVisual and the PLC to identify potential performance bottlenecks.
- 3
Check the number of PROFINET devices connected to the controller; reduce the number if performance issues are indicated by other diagnostics.
Verified technical data. Last updated: March 2026
Source: Kuka ProfiNet Controller/Device 3.1