Specifikacija interfejsa FDT-a - Deo 503-2: Komunikaciona implementacija uobičajenog objektnog modela - IEC 61784 CP 3/4, CP 3/5 i CP 3/6
Field device tool (FDT) interface specification - Part 503-2: Communication implementation for common object model - IEC 61784 CP 3/4, CP 3/5 and CP 3/6
IEC/TR 62453-503-2:2009(E) provides information for integrating the PROFINET® technology into the implementation of the FDT interface specification (IEC/TR 62453-41). It also specifies communication and other services.