IMO i3B Intelligent Control Station offers a unique solution since it is both a PLC and HMI combined in one device.
It is also, small, very powerful and has many unique connectivity features.

160 x 128 Graphical Display
High Resolution Resistive Touch Screen
4 programmable keys
Real Time Clock
Communication Serial, CAN, iCAN
Port RS 232/RS485/RS422
Power Supply 10-30 Vdc
256 KB RAM (Program), 1MB (Graphical)
Free Configuration Software
Remote IO Communication
MicroSD Flash Card
IP65 protection

IMO i3 Intelligent Control Station