For purposes here, a field bus integration is any NiagaraAX driver besides the niagaraDriver (Niagara Network). All Niagara AX drivers resemble each other in basic architecture, including the Niagara Network. For more details, see About Network architecture, and About the Niagara Network.

Field bus integrations such as BACnet, LON, Modbus, as well as various “legacy” drivers (typically serial-connected) each have unique characteristics and features. This section provides a collection of topics that apply to some of these drivers.

The following main sections are included: