BareMetal PLC M
BareMetal PLC M Controller has various powerful features and can service a wide range of applications. The controller has the following interfaces on board: CAN bus, RS485, RS422, RS232, 5 relay outputs, 5 discrete inputs, 5 discrete outputs, USB Device, EEPROM. The main microcontroller is built on the Cortex-M3 core with a clock frequency of 72 MHz.
3D model in .stp here