Troubleshooting LON Network communications.
EcoStruxure Building Operation, TAC Vista, TAC IA Series
- Xenta Controllers
- MNL I/A Controllers
- EcoStruxure Building Operation AS-P
- LPA Protocol Analyzer
Intermittent communication failures, high bandwidth, error packages, noise on the line -- these can be difficult to pin down and identify.
These two documents attached produced by Loytec are invaluable resources in troubleshooting a LON network. The first deals with common causes of noise on LON Wires. The second details what to do once you've procured an LPA protocol analyzer -- how to use it and interpret data.
For a Vista system, also see Actions for reducing Bandwidth in a Vista network.
For an EcoStruxure Building Operation system, also see Bandwidth Throttling.
If an LPA protocol analyzer is not available there is also an option to log the Lon communication to and from the ES, AS-P, or AS-B.
To do that you change the debug level from "Information" to "Trace" for:
After the investigation make sure to set the debug level back to "Information" again.
For debugging assistance a Tool called SBO Lon Decoder can be used.