Ivan,
There sure is. What version of ArchiCAD are you using? If it's ArchiCAD 9 a simple Save as then change the file formate from PLN to IFC.
If it's another version of ArchiCAD you will need to download the respective IFC add-on. You can get them here
http://www.graphisoft.com/products/ifc/
HTH.
Cheers.
Ben