Read data from arduino by modbus rtu using MAX485 module

Hello everyone
I'm trying to communicate my arduino to serial server, by modbus rtu using max 485 module. Is that possible?
can you please recommend me any examples for this situation.

Thank you.

Yes, this is possible. A simple Google search will give you dozens of examples. For specific help you have to provide much more information about your project (p.e. link to used hardware, manuals, etc.).