Unitronics
I/O Modules
Three I/O families for Unitronics controllers: Vision series expansion and Snap-in modules, Uni-I/O local expansion modules for UniStream, and Ethernet-based Remote I/O.
Products

Vision I/O Modules
Local and remote I/O expansion modules for Vision series PLC+HMI controllers, plus Snap-in I/O modules that plug onto the back of the panel.

UniStream I/O Modules
Uni-I/O local expansion modules for UniStream Modular, Built-in and UniStream PLC; expansion up to 2048 I/O with digital, analog and temperature I/O.

Remote I/O
Ethernet-based remote I/O system: URB network adapters and slim 12 mm wide URD / URA / URS / URC modules, up to 63 modules per adapter.