YouTube "Referenzarchitekturmodell Industrie 4.0 (RAMI 4.0) erklärt. ZVEI" - “Was ist RAMI 4.0? Kurz gesagt: Es ist ein Schichten-Modell, das die gesamte Bandbreite von Industrie 4.0 darstellt. Das Ziel dabei ist, mit möglichst wenigen Standards auszukommen und schrittweise Industrie 4.0 zu realisieren. Ziel ist die durchgängige Vernetzung und lückenlose Digitalisierung”.
The specification was released on the fair Mesago Messe Frankfurt GmbH "SPS – Smart Production Solutions" ( formerly “SPS/IPC/DRIVES” ) in Nürnberg, 2018-11. It is expected that further releases will be announced on this fair ( November 2019,... ). It is less expected that major releases will be announced on the the Hannover Fair ( April 2020, ... ).
According to announcements of Michael Hoffmeister, XING "Dr. Michael Hoffmeister", LinkedIn "Hoffmeister Michael" on the Hannover Fair Industry 2019, it is expected that the official Plattform Industrie 4.0 “Administration Shell”, a C# software using .NET / WPF on Windows, will be released later in 2019 as Eclipse Foundation project . Just as a one-time release, though, no further updates .
On the HannoverFair 2022, Bosch-Rexroth claimed to use the object-oriented Modelica for simulation, not a signal-based simulation tool like MATLAB/Simulink !!!!. A benefit of Modelica is to avoid frequent modification and solving of differential equations .