Siemens PLC Remote I/O

Please any body can share some idea about Remote I/O

This is a very general question, define what your need is.

What is remote I/O? How to communicate it with processor to I/O module? How to configure it?

What is remote I/O? this is explanation about distributed IO, not Siemens manufacture but you will get the basic idea-

How to communicate it with processor to I/O module? How to configure it?

this is explanation on configuration of profinet distributed IO over s7-1200 plc.

hope this help you start.