please help me about profibus

[is_razi]

hi all,
i want to build a profibus/rs232 adaptor but i don't have enough information about profibus.
please introduce me a link that i can find technical information about profibus protocol and its hardware there.

yours sincerely.
:?:

 

[sefton]

I don't know much about profibus, but from a hardware point of view it works with rs485, so you require a rs232/rs485 converter. Here is a schematic : https://www.rs485.com/pdffiles/converters/rsfc24revb.pdf
There are other schematics at www.rs485.com under converters