Connection between PLC and device terminated

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.

• The connection between the PLC and the device has been terminated.
• Active communication link was broken by either the PLC or the device.
• Network instability or timeout during active data exchange.
• Remote device shutdown or restart.

Click steps to track your progress.

1. 1

   Verify the power supply to device {Name} and confirm the network cable connection is secure and undamaged.

2. 2

   Review the PROFINET network topology and the configured bus cycle times in WorkVisual and the PLC to identify potential performance bottlenecks.

3. 3

   Check the number of PROFINET devices connected to the controller; reduce the number if performance issues are indicated by other diagnostics.