EZRIO has an optional DeviceNet Slave Card which can be plugged on the backside of the EZRIO base.
This EZRIO can be interfaced to a master device on a DeviceNet network. 256 bytes of data can be exchanged between EZRIO and Devicenet master device. This concept of remote I/O connectivity is going to save you hundreds or even thousands of dollars.
Paradigm Shift in Industrial/PLC I/O