N

Interaction, in which the state transition that can be observed is not unambiguously determined due to the information receive.

Note: This is the case if a system behaves spontaneously in an interaction or can show several alternative behaviours, the choice of which is not determined by the information received.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Requirement that does not belong to the actual system function.

Note: Examples are availability, performance, usability, compatibility, maintainability, security...

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

O

Executable realization of a function.

Note 1: The term method is synonym to operation in the IT domain.

Note 2: an operation has a name and a list of param-eters [ISO 19119:2005, 4.1.3]

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Flexible connection of individual services for a defined purpose.

Note: This can be done during the planning phase and/or at runtime.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

P

The totality of all actually existing items and individuals.

Note 1: The real world corresponds to the physical world.

Note 2: Software loaded or in memory is part of the physical world.

Note 3: The frame of reference of the totality in question must be defined.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Setting up, modification or termination of interoperation between two or more involved parties with minimal effort.

Note 1: The interoperability of those involved is assumed.

Note 2: The minimum effort can vary depending on the state of the art.

Note 3: Plug & play and plug & produce are synonyms or similar terms.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Entirety of procedures in a system by means of which the material, energy or information is transformed, transported or stored.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Defined characteristic suitable for the description and differentiation of entities.

Note 1: The concept of type and instance applies to properties.

Note 2: This definition applies to properties such as described in IEC 61360/ ISO 13584-42.

Note 3: The property types are defined in dictionaries (like IEC Component Data Dictionary (CDD) or ecl@ss), they do not have a value. The property type is also called data element type in some standards.

Note 4: The property instances have a value and they are provided by the manufacturers. A property in-stance is also called property-value pair in certain standards.

Note 5: A property describes one characteristic of a given object.

Note 6: A property can have attributes such as code, version, and revision.

Note 7: The specification of a property may include predefined choices of values.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

Q

Well-defined element associated with a property in-stance or submodel element, restricting the value statement to a certain period of time or use case.

Note: Qualifier can have value associated.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)

R

Model for a description of the architecture (for I4.0) which is used generally and is recognized as appropriate (with the character of a reference)

Note: A reference architecture can be defined on the basis of a reference model.

Source: Industrie 4.0 – Begriffe/Terms, VDI Statusreport Industrie 4.0 (April 2021)