I'm trying to update the tags in an older BACNet system that recently had some work done. The Pi Node is running the BACNet Query Tool version 126.96.36.199.
The tool is able to see all of the devices on the network, and I can see the values when I use the Query view. Unfortunately, when I try to save the discovered tags out to a CSV file, I get an error ""Unable to cast object of type 'System.DBNull' to type 'System.String'" The tools creates a CSV file with a header, but nothing else.
Has anyone seen this? Is there a newer version of the Query Tool that does not/might not have this error?