Configure the Nrio network

Two types of Nrio networks are available. The M2mIoNetwork supports the onboard I/O of an M2M JACE (JACE-202 Express). The NrioNetwork supports external I/O module(s) connected to onboard RS-485 of either a JACE-7 series or JACE-8000 (in Niagara 4.3 and later).

A separate NrioNetwork is required for each RS-485 trunk with remote I/O modules. Each Nrio network must have the following:

  • A unique, specific Port Name property COM n value.
  • A unique Trunk property value, starting at 1, then 2, and so on.

For example: In an M2M JACE where both the onboard I/O is used and one or more remote I/O modules are wired to the onboard RS-485/power port, two different Nrio network components are needed:

  • M2mIoNetwork (for onboard I/O): Port Name to COM3, Trunk to 1 (both are fixed, read-only values)
  • NrioNetwork (onboard RS-485 connected to remote I/O modules): Port Name to COM2, Trunk to 2.