The Eaton easyE4 PLC has 12 I/O and can be expanded to a network of up to 188 I/O points. The easyE4 is designed to enable control systems that are efficient and effortless to implement. After the easyE4 is installed, changes are accomplished through front panel programming, which is designed to eliminate the need to change wiring and to minimize downtime.
RS / us.rs-online.com/