This series of products allows you to integrate some EnOcean devices into an PROFIBUS network.
HD67C75 is an EnOcean / PROFIBUS Slave Converter so you can connect an EnOCean network with a PROFIBUS Master in order to exchange informations between the PROFIBUS Master (for example a SIEMENS PLC, etc..) and the EnOcean network.
For informations about EnOcean / PROFINET converters switch here: