Communication Profile Family 9 (commonly known as HART®2) defines communication profiles based on IEC 61158-5-20 and IEC 61158-6-20. The basic profile CP 9/1 is defined in IEC 61784-1. This part of IEC 62453 provides information for integrating the HART® technology into the FDT standard (IEC 62453-2). This part of the IEC 62453 specifies communication and other services. This standard neither contains the FDT specification nor modifies it.