DF PROFI II INTELLIGENT, FAST AND EASY PROFIBUS CONNECTION Today, more than ever, quickness and flexibility are in great demand in the different areas of application of the automation industry. The DF PROFI II, a high performance PROFIBUS DP/DPV1 board from KUNBUS, exceeds these requirements. As PCI, PCI-Express and CompactPCI card, the DF PROFI II is suitable for a wide variety of uses. Due to the fact that both 5 V and 3.3 V are supported, the board is compliant to fast server PCs as well as workstations.