Description
DeviceNet A large number of communication errors occurred on the network.
Consequences
DeviceNet All communication on the bus has stopped.
Possible causes
The cause of the error may be interference, power and power lines, or communication lines.
Recommended actions
- Make sure the DeviceNet power supply is working properly. Replace any faulty I/O equipment.
- Make sure all terminating resistors are connected correctly.
- Make sure all communications cables and connectors are working properly and of the recommended type.
- Check network topology and cable lengths.
- Restart the controller.