Intelligent Dataloggers send HVAC/R data over BACnet.

When connected to Modbus gateway, Series 3 dataTaker Intelligent Data Loggers can communicate over BACnet for such HVAC verification applications as energy efficiency and

[source: http://news.thomasnet.com/fullstory/Intelligent-Dataloggers-send-HVAC-R-data-over-BACnet-20036303]