The scientific study covers - a literature review and background of the Industry 4.0 concept, a comparative analysis between German and American digital platforms, a reference architectural model of Industry 4.0 (RAMI 4.0) and its three-dimensional coordinate system, including hierarchical levels, flow of life cycle values and the “layers” vector. Other points of interest are nationally developed reference architectures in the United States, France and Italy, China and Japan. The…