This part of ISA 62453 series provides information for integrating the PROFIBUS protocol into the FDT interface specification (ISA-62453 - 2). This part of the ISA-62453 specifies communication and other services. This specification neither contains the FDT specification nor modifies it.
ANSI/ISA 62453-303-1-2011 history
2011ANSI/ISA 62453-303-1-2011 Field device tool (FDT) interface specification - Part 303-1: Communication profile integration - IEC 61784 CP 3/1 and CP 3/2