Essential Nrio network configuration properties

There are two important configuration properties for any Nrio network; access them on the network’s property sheet view, as shown in Figure 3.

Figure 3. Essential Nrio network properties Port Name, Trunk

Port Name

Each Nrio network in a station must have a unique, specific Port Name value, with the required entry depending on the JACE platform and connection, as shown in Table 1.

Table 1. Nrio network Port Name property value by JACE platform and IO connection

JACE platform	onboard I/O	onboard RS-485	RS-485 option card, Ports A & B
“M2M JACE” (JACE-x02 Express)	COM3	COM2	COM7, COM8
JACE-7 series	—	COM2	COM3, COM4

Trunk

Every Nrio network in a station must have a unique Trunk property value, starting at 1, then 2, and so on. This value corresponds to the low-level “actrldn” (access control daemon) that polls that IO. For related details, see About the actrld (access control daemon).

These properties are writable only for an NrioNetwork component (to support remote RS-485 IO modules). Both properties are fixed and read-only for an M2mIoNetwork, as Port Name=COM3 and Trunk=1.