Attached is a project archive from SoMachine 4.3 that uses Ethernet IP protocol. You will need to add the M221 EDS file. This can also be converted to a M241 controller.
The following video is a tutorial for configuring the Modicon M221 Nano PLC (programmable logic controller) as a remote I/O device for Modicon M251 Micro PLC with Dual Channel Communications.