what type of microprocessor used in PLCs

[houssamatif]

hello;

i am new in this forum, i am currently trying to make my own PLC and i have a question about what type of microprocessor that i should use to make my own PLC, and what is the reference of microprocessor used in simatic PLCs.

thank you.

[Schtiel]

What is inside Simatic PLC you can view at the following website:
http://s7detali.narod.ru/

[houssamatif]

thank you for your respond

[umarsamad]

Take a look at Arduio Based ARDUOPLC. just to have an idea.