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BACnet: Why am I getting "BACnet device not operational" ?

If you are running Version 124 and have large object counts (> apporx.. 800) then the Version 125 needs to be implemented to handle such a large objects list.

We have seen this issue and it was due to the fact that the command they were using to verify operation did not follow the usual Bacnet paradigm of doing x retries if a request failed. It would only try it once, and if that failed it would say that the device was not operational. Version 124 and 125 has the capability to negate this through the configuration screen.

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