PD CLC/TR 62453-51-32:2019 Field device tool (FDT) interface specification Communication implementation for common object model. IEC 61784 CP 3/4, CP 3/5 and CP 3/6

Data transmission
Bus networks
Open systems interconnection
Industrial
Interfaces (data processing)
Control equipment
Communication networks
Communication procedures
Fieldbus
Process control
Computer networks
Application layer (OSI)
Automatic control systems

Link: PD CLC/TR 62453-51-32:2019 Field device tool (FDT) interface specification Communication implementation for common object model. IEC 61784 CP 3/4, CP 3/5 and CP 3/6
Source: BSI Standards