This part of IEC 62769 specifies the technology mapping for the concepts described in the Field Device Integration (FDI^®1) standard. The technology mapping focuses on implementation of the components FDI^® Client and User Interface Plug-in (UIP) in the specified technologies for the WORKSTATION platform and the MOBILE platform as defined in IEC 62769‑4. There are individual subparts for the currently supported technologies .NET and HTML5.