[dk258]

Hello. 

I am using a Comau robot which is controlled by a Sinumerik 828D system. Can you help me how to set up the postprocessor or which postprocessor to use for the proper functioning of the program?

[Sergei]

Yes, it is possible. You can r.click on your program, then 'Select Post Processor'.
The 'Siemens Sinumerik' post processor should be suitable: