MTO Senario - Planned order & Purchase Request Generation

Dear Expetrs,

We want to explore all the material requirement after running MRP at sales order level,Plant level

After Running MRP Planned order should generate for HALB anf FERT Material

Then Purchase request has to generate for Raw Material and Sub contracting Assemblies.

Please provide the steps what parameters has to be maintained at in Material master view.

I am new to this senario.

Thanks in advance.