Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 14: Lists of properties (LOP) for temperature measuring equipment for electronic data exchange (IEC 61987-14:2016); German version EN 61987-14:2016
Edition 2017-02

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 15: Lists of properties (LOPs) for level measuring equipment for electronic data exchange (IEC 61987-15:2016); German version EN 61987-15:2017
Edition 2017-11

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 16: Lists of properties (LOPs) for density measuring equipment for electronic data exchange (IEC 61987-16:2016); German version EN 61987-16:2017
Edition 2018-07

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 21: List of Properties (LOP) of automated valves for electronic data exchange - Generic structures (IEC 61987-21:2015); German version EN 61987-21:2016
Edition 2016-07

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 22: Lists of Properties (LOPs) of valve body assemblies for electronic data exchange (IEC 61987-22:2015); German version EN 61987-22:2016
Edition 2016-07

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 23: Lists of Properties (LOPs) of actuators for electronic data exchange (IEC 61987-23:2015); German version EN 61987-23:2016
Edition 2016-07

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 24-1: Lists of Properties (LOPs) of positioners and I/P converters for electronic data exchange (IEC 61987-24-1:2015); German version EN 61987-24-1:2016
Edition 2016-07

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 24-2: List of properties (LOPs) of valve/actuator accessories for electronic data exchange (IEC 61987-24-2:2017); German version EN 61987-24-2:2017
Edition 2018-12

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 24-3: Lists of properties (LOPs) of flow modification accessories for electronic data exchange (IEC 61987-24-3:2017); German version EN 61987-24-3:2017
Edition 2018-12

Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 31: List of Properties (LOPs) of infrastructure devices for electronic data exchange - Generic structures (IEC 61987-31:2022); German version EN IEC 61987-31:2023
Edition 2023-11