The isFF USB interface supports easy and quick commissioning of FOUNDATION Fieldbus devices. Due to its USB bus power supply and plug-and-play functionality, it is ready to use within seconds. Can use every FDT frame application with the device as access it via an FDT 1.2-compliant communication-DTM. The isFF USB can power one FOUNDATION Fieldbus Field device with the integrated power source. Therefore, it is suitable significantly as a tool for bench top commissioning and/or faster starting up; expensive wiring and additional power supply can be dropped. A powerless connection to an existing FF network segment is also possible.